Burson Audio Soloist 3X Grand Tourer

General Information

2021 – The Burson Soloist 3X GT is the embodiment of our innovative spirit. It is the first headphone amp in the world that works so hard it needs active cooling.

Through research and over-engineering, we turn unconventional approaches into design benchmarks, And we thank all the like-minded audiophiles who appreciate our approach and witness our progress.


Symmetrical through and through​

You can’t judge a book by its cover, but you can judge circuitry by its layout. Symmetrical dual-mono is beautiful and achieves the highest possible audio performance.
Under the bonnet, the GT has two independently powered mono amps in mirrored symmetry. The resulting pitch-black soundstage and crisp details are breathtaking!

Powering the GT​

The thumping heart of the Soloist GT is 5 sets of Burson Max Current Power Supplies. We are pushing these MCPS to the limits of their potential. So much so that they consume 90W when idle and need active cooling.
Although spitting out 10 Watts, the GT is not tracing power. Instead, it pursuits purity. So if you ever wonder what Norah Jones really sounds like, this dream machine takes you there!

Symmetrical Audio Paths​

The V6 Vivid discrete opamps are wildly regarded as the best globally and used in countless recording studios.
The GT uses three V6 Vivid opamps per channel, achieving incredible transparency. However, it still plays to your preference by allowing opamps to change, enabling you to create your own listening experience.



Elitist Volume Control X 2​

The typical stereo volume control creates lots of cross channel interference. Industry aristocrats such as Pass Lab and AVM use the MUSES72320 volume control to reduce such distortion in their flagships preamps.
The Soloist GT goes further by using one MUSES72320 + V6 Vivid discrete buffer volume control per channel, eliminating any chances of cross channel interference.

Headphone Crossfeed​

Live music and loudspeaker sound arrive at your head mixed. It gives you a sense of positioning. Most recording engineers also work under the assumption that their tracks will be playing through stereo speakers, not headphones.
Some headphone listeners use software to create that crossfeed, but such DSP often create other distortions.
The Soloist GT has three levels of hardware-based crossfeed emulation. So you can listen to your favourite track, exactly the way you like it!



GT Cool.​

Our Burson Cool Case is already the most oversized heat sink on any headphone amp. Still, we adopted active cooling for the GT.
With every component operating in a predetermined temperature range, independent of the environment, active cooling gives us the freedom to push the GT to its performance limit.
To eliminate wind noise, we designed a new enclosure to enhance stiffness and reduce resonance. Combining this resonance-free enclosure with the quietest fan money can buy from Noctua in Austria, wind noise sits below 25dBA. In comparison, an empty recording studio has over 30dBA of ambient noise. So, the GT is quieter than the background ambience of your music.

Speaker Centering​

Who can afford a fully symmetrical, sound-treated home auditorium? For everyone else, it is so typical to have a door or window near one speaker and a bookshelf near the other. These elements distort the sound stage.
With one MUSES+V6 Vivid volume controller per channel, you can adjust the volume of each stereo speaker separately. Bring you closer to that perfect sound stage previously reserved for the fortunate few!



Head+Sub Mode. Say what!?​

We feel sound as much as we hear sound. Before the invention of headphones, music listening has always been a full-body experience. It’s not just what your ears can hear but all the energy that your body feels that move the soul.
Headphone listening goes to a new level with a carefully matched and placed subwoofer. The GT enables this experience with its Head+Sub mode.

Rev it up!​

The Soloist 3X GT is a drive for perfection. Headphones may change, and digital formats come and go, but this analogue performer is timeless.
It let us hear and feel more. So fire up the GT, and ride down memory lane. Revisit moments when life changed tracks and the songs enriching the journey.

Latest reviews


New Head-Fier
Great Service Great Product
Pros: It's a great amp that benefits from op amp swapping
Cons: be careful op amp swapping
Bought this amp based in part the great reviews here and elsewhere. About six months ago I decided to swap op amps. I put a pair of Sparkos 2590's into the volume control and a pair of Sonic Imagery 994s into the input buffers. Worked great and to my ear brought sonic improvements to the amp. About four months later I got the itch to upgrade again and this time I replaced the Vivid Op Amps in the Voltage Gain with a pair of Burson Classics. It was sonic heaven - tube-like and rich - resulting in a bigger improvement to the sound then the Sparkos and the Sonic Imagery put together. Problem is, after about two weeks the amp stopped working. Oh it turned on and lit up, but it produced no sound, no matter what configuration of op amps or external connections to headphones and DACs that I tried.
I took the amp to Audio Design and Service, a highly regarded pro-repair shop here in Los Angeles. Some $300 later they told me the Classic op amps were both fried (they had no explanation for why) and that they repaired all damage and the amp was now working. So, I ordered a new set of Burson Classic op amps which I had the repair shop install and run for three solid days without a problem. However, when I brought the amp home it worked fine for about two weeks and then it died again no matter what op amps I drop in or how I tried to connect it.
Luckily I was contacted by Burson as a result of the review above. Charles at Burson told me that they stand behind their equipment and gave me a local address to send the amp in for repair at no cost. Charles kept in touch with me during the entire process and was truly helpful throughout. Long story short, they found a broken pin on the Sparkos, replaced it and repaired all damage to the amp. I've been running the amp for over a week now and it sounds even better (even more effortlessly commanding and more musical) than before it broke the first time. I don't know what magic they've got going on behind the scenes, but I've been in the audio game a long time and have owned and dealt with repairs and upgrades from companies from Ayre to Schiit to Innuos and Burson is without a doubt among the very best there is when it comes to standing behind their products and seeing that things are done right. (I've posted an image below of the broken Sparkos op amp that they found)


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I'm sorry that your headamp got damaged! Try contacting Burson, maybe try sending the board back to them, so they will analyze it and see what triggered the defect? Hope you'll figure out what the issue is and maybe you'll be able to fix it.
Thanks. They finally reached out and I'm sending it in to their authorized repair shop. My only concern is that after hearing the amp with the classic op amps installed I don t think I want to listen to it in any other configuration. After blowing the thing up twice now, I worry that even after their repair it will happen again and at $145 a pop for the classics and having already thrown about a thousand buck in op amps and repairs into the amp, I don't know how many more rounds of this I can take.
Good thing Burson recommended you an authorised repair shop to troubleshoot for your issue, so let's wait for their answer. Perhaps one of the opamps you swapped was loose in the socket or the DC on outputs was too high. Have you measured DC output after swapping opamps? Also this headamp was setup for use with default Burson opamps, so Sonic Imagery may not be fully compatible with this headamp, meaning that after installing these opamps you need to check for output DC and for any possible ringings or oscillations. However, looking fwd for some good news from the authorised electronics repair shop (you may want to post this in the dedicated GT thread too).


Headphoneus Supremus
A true Class-A powerful headphones amplifier
Pros: A very powerful true Class-A headamp.
V6 Vivid SS opamps are adding a great touch to the sound.
Look & feel is awesome, especially with the Mothership rack installed.
Cons: Heat and power consumption, although it's perfectly normal for a Class-A amplifier.
Active cooling might not be compatible with some audiophiles.
I’m happy to share my initial experience and to write here the first Head-Fi review about the recently released Burson Soloist 3X Grand Tourer (2023). The device looks identical with the previous Soloist 3X Grand Tourer model reviewed by @qsk78, the main difference consisting in the new Silent Power Modules, but worth mentioning that the rest of the circuitry has been also fine-tuned by Burson. The same Silent Power Modules are also used in the Timekeeper 3X Grand Tourer and will probably be used in other Burson devices as well. More about these modules can be read on one of the below paragraphs.



The Burson Soloist 3X Grand Tourer (2023 model) is a genuine Class A headphones amplifier and by genuine I mean that the output stage transistors are biased in Class A for its entire output power, not just for a quarter or for half of it, like other manufacturers are usually implementing in their amplifiers. So, no matter the gain you’ll be using or the volume level you'll be listening to, the output sound will be reproduced in Class A by the output stage. This was possible in this new Soloist amplifier due to the oversized output stage created around the eight powerful output transistors that can easily dissipate up to 30 Watts each one of them! This comes with some sort of trade off in terms of power consumption, as I measured 74 Watts with no music playing, although whoever is purchasing such a Class A amplifier usually cares not about how much power it consumes, especially if nearby the desk there’s a tube amp glowing that takes few times more mains power than this Soloist does. :) However, I do appreciate that Burson implemented a neat Auto Power Off feature that can be activated from the Settings menu, so Burson was thinking to save some electricity cash when the amplifier is not used for a while or if simply the owner forgets to power it off. This makes the device more eco friendly, even if we’re talking about a Class A amplifier.


A great feature that most headphones amplifiers are lacking, but it gladfully exists in the amplifier reviewed here, is the crossfeed function. A good article about this feature was written years ago by Dr. Meyer Corda here, providing good explanations and images. Also Mad Audio has a good article here about crossfeed and there’s also a short explanatory movie as well on the same topic. Basically, music is recorded by the recording companies to be played on speakers, so the stereophony is created by the audio engineers in such a way that some instruments are to be played only on a single speaker, artificially increasing the stereo imaging, the scene becoming larger for few moments. However, when the same songs will be played on headphones, the stereophonic effects will be perceived by our hearing as being on the extreme side because, for example, hearing cymbals on the right ear and a female voice on the left ear at the same time is totally unnatural and might induce fatigue faster. By activating the crossfeed feature, the circuitry inside Soloist GT will deal with such extreme stereophonic effects, so we can enjoy listening to headphones for even more time. Before owning this amplifier I was using software crossfeed plugins that I was manually adjusted based on the type of music I was listening to. Now I’m enjoying the natural sounding of the new Soloist GT 2023 with the crossfeed feature set to Low or to Mid, so thank you Burson for a great feature that every headphones amplifier should have it built-in by default.


The amplifier benefits by active cooling and the top case fan is a very silent one (18.8 dB A-weighted) from NOCTUA, model NF-A12x25 PWM, that blows the warm air generated by the electronic components outside the case (negative air pressure) while the colder air from the room is sucked in from the bottom of the case. This way the entire PCB, which acts as a big interior heatsink for all the electronic components, and the eight powerful transistors from the output stage are getting cooled down efficiently. The top-case vents are somehow increasing the air noise with a few dB’s, but still the noise is well kept under control, especially if the distance between amplifier and the listener is one meter or more. However, if some audiophiles will prefer to sit very close to the amplifier, then rotating it with 90 degrees, with top fan oriented backwards, will make the amplifier virtually dead silent. Also, placing the amplifier on a shelf, above ear level, will also make it virtually dead silent as well.


The Soloist 3X GT amplifier has a series of protective circuits that activates and powers off the device when someone tries to operate it with the top cover open or when the active cooling fan gets defective or unplugged by the customer. This is a good thing to know it has been implemented, due to the fact that the heat generated by the powerful amplifier, if not evacuated quickly by the Noctua fan, might damage some of the electrical components inside. Of course, the amplifier is also protected to any accidental DC voltage that might occur on headphones outputs, but protection could also trigger if a Silent Power module was not properly installed in its socket, grace to the dedicated circuitry designed for this around the C1237HA chip.


The power adapter outputs 24V @5A max. directly into the Soloist equipment from where a powerful MOSFET transistor, IRF5210S, acts most likely a rail splitter that delivers couple of +/-20.5V rails for the output stage. So, a total of 41V RMS is used to make the eight powerful transistors to pump up the audio signal into the headphones.

The audio input stage is created around the solid-state Burson V6 Vivid dual op-amps that are able to provide a natural but crisp sound, followed by a couple of Japanese high-end volume control chips MUSES 72320 that act also as pre-amp. The output stage of the pre-amp is also based on Burson V6 Vivid op-amps to ensure that the played sound will maintain the same natural but somehow warmish Burson audio pattern. When used strictly as a pre-amp, the audio signal goes into a pair of V6 Vivid opamps, then into the MUSES 72320 volume controller, then it gets to the output pair of V6 Vivid opamps. So, your externally connected speakers amplifier will benefit from MUSES low noise and distortions sound, but also of the Burson V6 Vivid sound signature.


Inside the Soloist 3X GT 2023


The six solid-state V6 Vivid op-amps, firmly tied-up to their DIP8 sockets

The low-pass filter (crossover), responsible for connecting external subwoofers, is created around NE5532 op-amps. These are neutral sounding op-amps that are used in several professional audio recording interfaces and inside Soloist are doing a great job in separating the low-end from the rest of the audio band. Using solid-state V6 op-amps in the crossover for connecting a subwoofer would make not much sense, given that these expensive op-amps are showing their best potential in the trebles department and sound stage.

The above op-amps are powered by four dedicated low-noise modules specially manufactured by Burson to further eliminate any background noise that might get created by the power rails or, why not, any noise that might get injected by the mains. These power modules are Burson’s response to technology evolution which gets changed and improved every few years. These modules are named “Silent Power” and are based on the very low-noise chips LT1963 and LT3015, we’re talking here about 40µV to 60µV RMS. These custom-made modules are an important technology step-up over the former power regulators used in the previous Soloist models where the power regulator chips used were the well-known LM317 and LM337, although very good power regulators for most audio applications, but probably not the best option for today audiophile equipment given their 0.003% noise (per datasheet). In our particular case, 0.003% out of 20V would mean 0.6mV or 600µV, although with bigger and low-impedance capacitors placed on rail outputs this figure usually goes lower, as per the picture taken from Burson website below:


From top to bottom we have: LM78xx, LM317, LM1963


The "Silent Power" modules are blue lighten while operating



Inside the "Silent Power' modules

Worth mentioning that the "Silent Power" modules are upgradable, because are socket-based components, so if Burson will decide to manufacture new improved modules in the future, than a simple drop-in of the new power modules will upgrade the device easily. The modules are providing power for the Burson V6 opamps only. See below picture with the sockets for +/-15V:


Power modules sockets

Like in the previous Soloist version, same MUSES 72320 chips are also used to control the volume of the headphones amplifier, but also the volume of the pre-amplifier (if selected). Unlike the previous model, the GT 2023 volume control is operating much smoothly across the entire volume scale, from 0 to 99. Switching between pre-amplifier and headphone amplifier modes can be easily done from the LCD menu. There are direct knobs for switching between inputs or outputs, as per below screenshots:


The output stage is crafted around four pairs of complementary 2SD2061 and 2SB1369 transistors encapsulated in TO-220 outer shell package and able to dissipate up to 30-40W @25C case temperature, so quite a beefy output stage for a headphone amplifier. The transistors are biased with a higher current than usually, making them to operate in Class-A 100% of the time, meaning that Soloist GT will deliver audio natively in Class-A from the lowest sound signals and up to the maximum power of the amplifier.

Running the output stage in Class-A comes with increased power consumption (I measured about 74W with no music playing), which translates in increased temperature on the surface of the case as well. I was able to measure around 40C on the sides of the case, in a room with a rather constant 24C and no forced ventilation. Not a concerning temperature for sure, but still pretty warm to the fingers when touched, especially on the bottom of the case where temps are usually higher than on the sides, so a bit over 40C.


Given the above average temperature of the case, I further “investigated” if the output stage transistors are having any thermal paste underneath, so I needed to dismantle all the internal parts to get to the bottom plate that acts as a huge heatsink for these transistors. I had a pleasant surprise when I realized that a sufficient amount of silver-based compound was properly installed under each of the eight transistors.


Output stage transistors - silver-based thermal compound


Aluminum backplate (transistors heatsink) - silver-based thermal compound

Some personal measurements:

The first measurements I performed were related to the DC output from both jack and 4-pin XLR plugs and I was thrilled when I realized that we’re talking about 0 mV (yes, zero!) on both plugs and on both channels! Given an amplifier of this size and the power it delivers, the complete lack of output DC voltage is quite an exquisite feature to me because. Along with the rest of protections from inside this audio amplifier, the complete lack of any output DC ensures that the connected headphones will not have audio distortions induced by any DC voltage coming from the output stage, even when talking about the low-impedance ones.

I‘ve also doing testing for the THD+N as well and I manage to get a respectable figure of 0.0004266% (-107.4dB) on the Pre-Out and 0.0009772% (-100.2dB) on the 4-pin XLR headphones output.


THD+N of 107.4 dB @ 4V RMS input (XLR), Low-gain (using E1DA Cosmos ADC)

Listening tests:


Soloist 3X Grand Tourer (2023 model) and a MacBook Pro happily playing music inside of the Mothership audiophile rack

For better ergonomics, good looking and a much cooler desks space I have conducted my listening tests with the audio device and laptop placed on the Burson Mothership. This also ensures a proper air ventilation while I was able to take much less space on my rather small desk from the living room. This aluminum rack has an audiophile appealing, but with a professional look and it can accommodate most types of audio gear. All of the wires are properly hidden inside the vertical aluminum pillar and the colder air is properly sucked up by Soloist's Noctua fan due to the special groove (hollow) created in the middle of each of the two horizontal levels, so the active cooling devices will greatly benefit by the properly engineered Mothership audiophile rack. Although Burson designed this "Mothership 1" rack to accommodate two audio devices, I see that I can use the "ground floor" shelf for a third equipment as well, although purchasing the bigger Mothership 2 might be an even better option. :)

Not sure if it was my mood or it was just a consequence of how the new Soloist 3X GT (2023 model) looks like, but I felt that I need to listen to 70’s-80’s rock bands for my listening test. :) So, Europe, Alice Cooper, AC/DC, Guns N’Roses, Nirvana, Scorpions a.s.o. were playing into my ears straight out from the output stage of the Soloist for several hours.

Massdrop x Fostex TR-x00 Ebony (25 Ohms, 94 dB/mW, max. 1.800 mW) were driven with authority and with a very good amount of bass and subbass too. This is what I love to powerful headphones amplifiers: their ability to drive planars to their best potential. The trebles quality and quantity are mostly given by the solid-state V6 Vivid operational amplifiers, so everyone that was ever listening to a Burson audio equipment driven by V6 Vivid opamps knows very well what I’m talking about: lots of details and an increased soundstage. The clear mids and the detailed female voices coming out of the Soloist GT 2023 will make this pair of Fostex to sound less V-shaped than I was used too, making it the perfect combo for rock listening (not for ballads), but also for any song that has enough bass and rhythm in it, like pop/trance/disco/dance music. Perhaps these Fostex are the funnies and pleasant sounding headphones I was listening with this amplifier.

Audeze LCD-2 (Fazor) (70 Ohms, 101 dB/mW, max. 5.000 mW) are usually picky to amplifiers, due to the fact that they are planar headphones with a rather high impedance, low powered headamps may not drive them very well. However, this Soloist beast can easily drive such planars perfectly on the lowest gain, proving again that the beefy output stage can probably drive any low-sensitive pair of headphones (sorry I have no Hifiman HE-5 to have them tested). If the Fostex TR-x00 had a Burson-distinctive bass, the LCD-2 instead sounds extremely detailed on both balanced and non-balanced outputs. Voices and cymbals are so natural and detailed that can easily transpose me from my room to the scene if I close my eyes. Not sure this is caused by the Vivid opamps or by the output stage that warms up the trebels a little bit, but I know for sure that Burson sound is something that is non-fatiguing and invites me to listen more an more.

Hifiman HE-560 V2 (45 Ohms, 90 dB/mW planars) another pair of planar headphones, a more balanced presentation between bass, mids and trebles. Sound may be not so detailed like the LCD-2 above, but the crisp in the trebles and the clean bass delivered by the amplifier makes the sound coming out of these cans super enjoying and engaging.

Beyerdynamic DT-880 (600 Ohms, 93.78 dB/mW): these dynamic cans are the ones were I can really push the volume louder, due to their low sensitivity and high impedance. A good amplifier for these phones is one with a high output voltage and with some power reserve left. Soloist GT 2023 can drive these cans perfectly on the medium gain setting. These are very detailed cans and the V6 Vivid opamps are improving the details even more, so perhaps these headphones in combination with V6 Vivid may not be the best combination for very long listening sessions. However, if audio details and critical listening is what you need, then this pair of amplifier/headphones worth a try.


I’ve tested several Burson models here on Head-Fi and I’ve noticed that all these audio devices are “touched” by the Burson sound pattern. Same happens with the new Soloist 3X GT 2023: the sound is neutral, without emphasized bass, no trebles hissing, so sound is definitely neutral, although the songs played are somehow warm and pleasant to my ears, causing less fatigue for long time listening.

The workmanship inside is just amazing, though I was expecting this from Burson given their Soloist line and their experience in the audiophile field. The double-side (multiple layers) red PCB with big ground plane on both sides, the layout of the inside sections, the power transistors used, the well-known solid-state opamps, the very low-noise power regulators, basically...the high quality of all electronic components used in this amplifier are making it a veritable high end quality headamp. Now we should all be aware that the high quality components used are clearly leaving a mark on its price tag, but this is perfectly normal for a deluxe audiophile equipment.

Besides being a veritable Class-A headamp, like previous Solist amplifiers this new GT model is again a very powerful one, so I can definitely recommend it for music lovers that want to listen to low or mid sensitivity headphones of any kind. I got perfect sibling with both planar and dynamic headphones, due to very low output impedance of the output stage, but also due to its very high amount of output power.

Note: Do not try to operate this amplifier with top case open, as this might get it defective and void the warranty! Also, do never try to dismantle the "Silent Power" modules, as the warranty may get void as well!


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up late
up late
another 'deep dive' into a burson product. well done again @raoultrifan.
I have the 2022 Burson Soloist Gt 3X Grand Tourer with the Morpheus/ Hermes setup. I have a friend that wants to know if he should buy the same combo (deals on 2022 model) or buy the 2023 Conductor 3x GT dac amp with upgraded power modules? I haven't heard the new model so I can't answer the question.
@eugene2 if price diff. is not impacting his finance too much, I would vote the 2023 model, due to the new and lower noise power regulators, but also due to an improved inner circuitry too. However, you should ask such questions in the main thread for this amplifier if you want to get more oppinions.


Headphoneus Supremus
Australian TOTL headphone amplifier
Pros: Transparency, neutral tonality, instrument separation, detail retrieval, resolution, soundstage, functionality, weight and dimensions for 10 W in Class A with a silent Active Cooling system, Super Charger, vertical positioning, versatility
Cons: Active Cooling feature may be considered not for perfectionists, highly sensitive volume/selection/mute control knob.

My journey with Burson Audio started a year ago when I decided to upgrade my home desktop system to drive Snorry NM-1 more efficiently (TOTL planars of a local manufacturer that time). After some deep market investigation my choice fell on Soloist 3XP and Composer 3XP.

Usually, I audition everything before I make any purchase decision. Unfortunately, there was no possibility that time to go to the dealer and listen to any of Burson Audio product since they just started their partnership as Burson dealer and had nothing in stock yet. So, I risked…and fortunately I won.

I was happy with performance of Burson combo especially when I replaced stock PSU with Super Chargers. In my option the key features of the combo are transparency, dynamics, smoothness and naturality.

It was obvious for me to switch to Grand Tourer later as the next step in home system evolution.

I should admit that I was thinking about some other alternatives on the market - Niimbus US4 was in my short list, especially with a good discount at a local dealer. But I decided to stay with Burson family after a year of positive experience with a regular Soloist 3XP.

There were some concerns about the GT right after its announcement. The most disturbing thing was a newly introduced (may be the first on the market) Active Cooling system.
The fan inside a TOTL amplifier – Are you kidding me? How about noise level? Dust accumulation? Are you serious?
I believe that many people thought and continue to think the same way.

I will come to Active Cooling later.


Some key features of the amplifier:

10Wpc XLR and 5Wpc single-ended Headphone Amp / Preamp
Dual Mono symmetrical design
High current Class-A with Burson Vivid Opamps.
2 X MUSES72320 + V6 Vivid discrete buffer volume control.
Speaker Soundstage centring
3 levels of hardware-based headphones crossfeed.
Weight: 5 kg
Dimension: 255mm x 270mm x 70mm


Dual mono design
The GT has two independently powered mono amps in mirrored symmetry.

5 sets of Burson Max Current Power Supplies.

Active Cooling
The quietest fan money can buy from Noctua in Austria, wind noise sits below 25dBA.
5 sets of MCPS consume 90W when idle and need active cooling.

Headphone Crossfeed
The Soloist GT has three levels of hardware-based crossfeed emulation.

Head+Sub Mode.
Music listening with a full-body experience.

Output power

Impedance (Headphone Jack)Power XLR / SESignal to Noise RatioSeparation
16 Ohm10 / 5W112db99%
32 Ohm8 / 4W110db99%
100 Ohm3.8 / 1.9W111db99%
150 Ohm1.3W / 650mW110db99%
300 Ohm640 / 320mW109db99.50%



You can find all these pictures in the User Manual on the official website



The display has 3 levels of brightness.
There are 4 buttons under the screen: Inputs, Outputs, Settings, Display Orientation


Settings: Gain, Speakers balance, OLED Level, Crossfeed, Remote on/off, Reset Set, Auto Off
Inputs: RCA1, RCA2, XLR1, XLR2
Output Modes: Headphones, Pre Out, Head + Sub

The only remark from my side is a high sensitivity of the knob. Sometimes I skip the function I need in the menu since the knob rotates very fast. I think you just need to get used to it, but it would be nice if you can adjust the speed somehow.

Auto Off
The Amplifier goes into sleep after 20 minutes of idle

This feature has 3 levels: low, medium, high.
From my experience the higher level you choose the more central left and right channels go and mix. This is how I hear it in my headphones but you may have a different experience with this mode.


In my opinion the question about Active Cooling is not about the cooling solution and design itself but more about if you can accept it or not.


The key point here is that you should experience it first and see if it is an issue for you or not.

I made a quick experiment for noise measurement using a dB Meter app.


I can make the following conclusion based on the experiment results:

GT Active Cooling system is the most silent among other devices around.
GT Active Cooling system produces 3 dBa less noise than Intel NUC.
GT Active Cooling system produces 7 dBa less noise than two Intel NUCs.
GT Active Cooling system does not add any additional noise to the existing working environment.

Active Colling is not an issue AT ALL in my case. It can be different if you live in completely silent environment.


I asked Alex from Burson Audio if there is a reason they took away a very popular Headphone Power Amp mode from a regular Soloist 3XP to bypass its volume control.
I was using this mode most of the time giving the volume control function to Composer 3XP.
The answer was as follows:

“With the Soloist 3X Performance, we anticipated that there could be a better volume control system upstream from it. ie if you buy a cost no object DAC or preamp then it may have a volume control superior to the 3X-P.

With the Soloist 3X GT, we have thrown the kitchen sink into its volume control design. Using one MUSE+Vivid discrete system, independently powered, per channel. It's not just what's in the 3X-P and times that by two. It's a lot of redesigning and optimization around each controller “

My personal experience with the volume control is only positive, I don’t have any complains and do not miss that specific mode on the GT.

I had some minor issues with volume level adjustment in the past and I had to play with Gain on both Soloist and Composer depending on a mode when it was too loud or too silent.

With the GT I don’t have this issue, I run my HEDDphone in High gain all the time and it is silent enough at 1 and loud enough at 30-40 so I don’t have to switch gain back and forth.

There is also a remote control which works just fine.


My experience here will be very subjective since we all have different DACs and headphones, we all have different experience and understanding of how a TOTL amp should sound.

My current setup is:

Roon ROCK on Intel NUC → ifi Audio ZEN Stream → Composer 3XP w/ Super Charger 3A → Soloist 3XP GT w/ Super Charger 5A → HEDDphone One.

Interconnect 2XLR x 2XLR - Oyaide Tunami Tzero V2 XX
Coaxial Oyaide DST-75R V2, USB Audioquest Forest


My typical play list for any device test:

From Instrumental jazz and classical music to dissonant technical death metal and funeral doom

Avishai Cohen Trio - From Darkness (96 kHz / 24 bit)
Tord Guvstansen Trio - The Other Side (96 kHz / 24 bit)
Alboran Trio - Islands (96 kHz / 24 bit)
BassDrumBone - The Long Road (44.1 kHz / 16 bit)
Jo Kaiat - Come to My World (44.1 kHz / 16 bit)
Sinee Eeg & Thomas Fonnesbak – Staying in Touch (96 kHz / 24 bit)
GoGo Penguin – Man Made Object (44,1 kHz/ 24 bit)
Danish String Quartet – Prism I, II, III (96 kHz / 24 bit)
Kowloon Walled City - Piecework (88,2 kHz / 24 bit)
Ulcerate - Stare into Death and Be Still (44.1 kHz / 24 bit)
Ad Nauseam - Imperative Imperceptible Impulse (44,1 kHz/ 16 bit)
Rome in Monochrome - Away From Light (44.1 kHz / 16 bit)
Carach Angren - Where the Corpses Sink Forever (44,1 kHz/ 16 bit)
Mournful Congregation – The Monad of Creation (44,1 kHz/ 16 bit)
Funeral Moth - Transience (44kHz / 16 bit)
Intaglio – Intaglio (15th Anniversary Remix) (96 kHz / 24 bit)


Regarding tonality I find GT more on a neutral side where every TOTL amp should be, I think.
You can play with various DACs and headphones to find your sound or add some coloration if needed.

GT is very precise in terms of instrument positioning and imaging.
The soundstage goes wide and deep, thanks to its dual mono design I think.
The GT provides tons of details. There is a lot of air between instruments.
Bass is fast, layered and articulated.

I read some complains about mids - mids are slightly recessed and the GT may sound thin
I don’t hear it. Mids sound rather balanced with the rest of the spectrum and I don’t consider this range thin sounding.

It can be a question of a DAC or headphones or to personal preferences.
This is like Audeze headphones: some people are addicted to the bass they deliver, others consider them bass heavy.

Highs are well extended and bring a lot of information.

I believe the final sound signature will depend on a DAC used with it. I assume that the better DAC is used the better the result is in the end.



Well, I was excited about this possibility to run a subwoofer in parallel with headphones, but I did not know how it would work in reality and what it would mean “with a carefully matched and placed subwoofer”.

I was a bass guitar player in the past in a metal band at student time and spent many hours on stage and also visiting many live concerts. I remember that full-body experience from standing in front of the stage when the kick drum hits hard into your chest and you physically feel this air blast…that was unforgettable and great experience.

So I decided to purchase a small sub. First I thought to buy a cheap subwoofer just to try how it works, but eventually I bought a better sub to get better performance.
After my own market investigation and some expert consultation I decided to go with REL.
I bought Tzero MKIII, the smallest sub of REL. This is a down firing sub. I could not find a front firing sub of this size to fit my dimension request . May be the front firing sub for this particular application would be a better option, I don’t know.

I don’t consider the Head-Sub mode for a usual daily listening. This mode is mainly for fun listening when you have a certain mood. It will probably not work for each and every genre.

I’m not a big fan of electronic music but I have some playlists in my car, and I like Aes Dana with his psy-ambient stuff…these things sound great with the subwoofer.

The important thing is subwoofer placement. I am not fully sure if the place I chose (on the shelf) is the right one. Ideally the sub should be placed on the floor in the corner, I think. But then you need to increase the volume on the sub, so I placed it closer to my ears.

The next important thing is the Sub volume and frequency range control. It depends on your preferences: if you want it to produce the whole range from 30 to 120 Hz or you need to cut it and get the lowest range only.

You should make the sub sound rather loudly to experience the full-body sound. The kick drum starts pushing air into your chest at 30-35 volume on the GT and maximum volume on the REL.

One more thing is how the members of your family react to the sub). I try to turn this mode on only when I’m alone at home which happens not often.

As a short summary of the Head-Sub mode: this is a nice thing to have for fun listening in addition to a usual amp operation.
Great idea, Burson!



Unfortunately, I did not have a possibility to evaluate this mode since I don’t have any speaker system at home today but after I tried Head-Sub mode I start thinking about it. If I can use Head+Sub mode sometimes, nothing stops me from adding two more speakers to it)


To me GT is an evident step up from the Soloist 3XP as I expected.
To already clean and transparent sound it adds more of everything…
Regarding tonality GT goes more into a neutral and linear side of sound delivery while the younger brother is slightly warmer and pushes mids more forward.

GT has less bass quantity, but it brings better quality in comparison. It is faster.
Dual mono design makes another step up in channel and instrument separation.
When you switch from 3X GT to 3XP you hear more “compact”, more colored and more congested sound.

Soloist 3XP has more of its own character while the GT is stricter and doesn’t bring much of its own I think.

You should keep the price of both amplifiers in mind. Soloist 3XP remains a great performer which is hard to beat in this niche



Does the GT meet my expectations? Yes, absolutely.
I can consider the “amplification” question closed now.

Besides the performance I would like to underline its multiple functions and applications:

It may extend your experience beyond the headphones listening.
If you want more live and full-bodied listening, just add a subwoofer.
If you want to take off your headphones, switch the mode on GT to active speakers.

Nice job Burson Audio!

I would like to wish all the best to the company and looking forward to new products.

GT needs a new DAC…😉

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I use Morpheus + Hermes combo with Soloist GT...like it!

I have the 2022 Burson Soloist Gt 3X Grand Tourer with the Morpheus/ Hermes setup. I have a friend that wants to know if he should buy the same combo (deals on 2022 model) or buy the 2023 Conductor 3x GT dac amp with upgraded power modules? I haven't heard the new model so I can't answer the question.
Well, I have not heard the Conductor 3X GT either. I know how the Conductor 3XR sounds. I assume that it will be the 3XR version on steroids)


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