DX340 iBasso developed Discret DAC, Easily replaceable batteries, Amp Modules! ***New firmware on 1st page. v1.04 local update. ***

Mar 26, 2025 at 7:42 AM Post #4,966 of 6,441
So, I received AMP16 a few days ago, well, it was on Thursday, had it on burn-in (over 100hrs now) while switching the playback between solid-state Class AB and dual Raytheon Tubes output modes, and am now starting to listen to it. Just spent a few hours with it. First impressions are very positive. This new amp card is like getting 2 DAPs in one because you get two distinct sound tunings in one card. Relative to IEMs I tested it with, I hear AB output delivers a more powerful, more resolving, more dynamic, faster, punchier sound. On the other hand, Tubes give you a softer and laidback presentation of the sound with more rounded bass, and sweeter textured mids, while the treble remains crisp and detailed, similar to AB treble. From the spec, AB BAL output is 6Vrms (in high gain) while Tubes BAL output is 4.6Vrms (HG), so when switching from AB to Tubes, you do need to raise the volume to match the output level.

ibasso_dx340_amp16-03.jpg ibasso_dx340_amp16-07.jpg
ibasso_dx340_amp16-05.jpg ibasso_dx340_amp16-06.jpg

With DC-in connected and Super Gain boost on, the mid-bass sounds tighter, more articulate, with faster attack, and shorter decay (better control of bass notes), while the background is blacker, and the perception of the soundstage width expands as well. The improvement with DC-in is similar to how it was with AMP15, except that to my ears, I think I even prefer AMP16 AB over AMP15. Again, this is based on short listening time, but to my ears, AMP16 has a wider soundstage expansion and a more noticeable mid-bass punch in comparison to AMP15, which has more sub-bass rumble and a softer mid-bass punch. AMP16 AB sound is faster, punchier, and more dynamic in comparison to AMP15.

ibasso_dx340_amp16-01.jpg ibasso_dx340_amp16-02.jpg

You do need to keep in mind, AMP16 is PO only, doesn’t have LO. Another thing I noticed, you need to restart the DX340 after exchanging the cards; otherwise, the new card is not recognized. Not a big deal, just need to keep in mind this is not plug’n’play. Btw, make sure you run the OTA fw update since you need the latest release to recognize AMP16. Also, with very sensitive iems, lowering the amplifier gain helps to reduce background hissing, but that is expected as well. I tapped a few times on the DAP chassis while in Tubes, and didn’t hear any ringing.

ibasso_dx340_amp16-09.jpg ibasso_dx340_amp16-10.jpg

Overall, I’m quite impressed with AMP16, it makes a great addition to DX340 :)
Good quick take but I don’t hear a larger soundstage with amp 16. To me it was noticeably smaller but I need to listen to amp 16 more when I get time.
 
Mar 26, 2025 at 11:10 AM Post #4,968 of 6,441
Has anyone had the chance to compare the DX340 to the L&P E7 and the Lotoo PAW GT2?

I'd love to see some comments!
I’ve had the DX340 and LTPGT2 for a few days and have been going back and forth with the DAPs alone, then from my PC as USB DAC into my Tsuranagi V2.

Listening was done with APX SE and Anni 23.

They are very different, but both are super highly resolving DAPs. Both have really big soundstage, but the 340 is more holographic. The 340 has a cleaner, more vibrant presentation, bringing lots of energy, while pulling out all the details in the music, yet never becoming bright. And the notes are clearly defined and positioned appropriately around the head. I hear details in the music that I haven’t heard before. It has a lovely liquid quality that’s addictive. It kinda hits the spot for my tastes. I’m a sparkle, air and soundstage lover. You get 5 harmonic DAC filter options to adjust to your tastes. I found these to have a very subtle impact on the sound.

The GT2 is unique in that it offers the user so many options for music playback. It can upscale everything to 32-bit/768 kHz and can convert from PCM to DSD or vice versa. It can also upscale to DSD512. It offers a lot of PMEQ and ATE options to adjust to your preferences. There are no apps so no native streaming. This is fine for me as I plan to use at my desk with my PC. But I was able to stream from my iphone via AirPlay or USB connection. DLNA is also possible but I didn’t try it. There’s also LTTP for streaming from mobile, but I don’t have the LTTP device. Sound wise, the GT2 is slightly warmer, has much bigger, but very tight bass, is super resolving, and brings out all the details, but with a more muscular presentation. The soundstage is really big and imaging is top notch. What adds to the soundstage is the sense that it digs so deep into the bass regions that it’s visceral, yet it also reaches up into the highest frequencies with ease, so it just feels massive. The highs are not as bright and crystalline as on the DX340, but if you’re treble sensitive, this is a good thing. The details are still there.
 
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Mar 26, 2025 at 11:39 AM Post #4,969 of 6,441
I’ve had the DX340 and LTPGT2 for a few days and have been going back and forth with the DAPs alone, then from my PC as USB DAC into my Tsuranagi V2.

They are very different, but both are super highly resolving DAPs. Both have really big soundstage, but the 340 is more holographic. The 340 has a cleaner, more vibrant presentation, bringing lots of energy, while pulling out all the details in the music, yet never becoming bright. And the notes are clearly defined and positioned appropriately around the head. I hear details in the music that I haven’t heard before. It has a lovely liquid quality that’s addictive. It kinda hits the spot for my tastes. I’m a sparkle, air and soundstage lover. You get 5 harmonic DAC filter options to adjust to your tastes. I found these to have a very subtle impact on the sound.

The GT2 is unique in that it offers the user so many options for music playback. It can upscale everything to 32-bit/768 kHz and can convert from PCM to DSD or vice versa. It can also upscale to DSD512. It offers a lot of PMEQ and ATE options to adjust to your preferences. There are no apps so no native streaming. This is fine for me as I plan to use at my desk with my PC. But I was able to stream from my iphone via AirPlay or USB connection. DLNA is also possible but I didn’t try it. There’s also LTTP for streaming from mobile, but I don’t have the LTTP device. Sound wise, the GT2 is slightly warmer, has much bigger, but very tight bass, is super resolving, and brings out all the details, but with a more muscular presentation. The soundstage is really big and imaging is top notch. What adds to the soundstage is the sense that it digs so deep into the bass regions that it’s visceral, yet it also reaches up into the highest frequencies with ease, so it just feels massive. The highs are not as bright and crystalline as on the DX340, but if you’re treble sensitive, this is a good thing. The details are still there.
One reason why I was debating between the E7 and GT2 is because virtually all manufacturers are hopping on the Android train. It's frustrating. I don't want to carry another device that looks exactly like my phone. I want to get AWAY from my phone. Also, Android is not the best UI either. That said, I think I found the winner: iBasso DX340.

It's no small device but it's still pocketable. Battery is user replaceable, which is unheard of in 2025. More importantly, at least to me, having the option to dual boot from Android to Mango Os is a win in my book. That way I can "get away from my phone", and if I ever want to stream I can always switch back to Android.

Now all I need is a good set to pair with the DX340. I'll most likely buy the Alter Ego from. Melodic Artification.
 
Mar 26, 2025 at 11:48 AM Post #4,970 of 6,441
One reason why I was debating between the E7 and GT2 is because virtually all manufacturers are hopping on the Android train. It's frustrating. I don't want to carry another device that looks exactly like my phone. I want to get AWAY from my phone. Also, Android is not the best UI either. That said, I think I found the winner: iBasso DX340.

It's no small device but it's still pocketable. Battery is user replaceable, which is unheard of in 2025. More importantly, at least to me, having the option to dual boot from Android to Mango Os is a win in my book. That way I can "get away from my phone", and if I ever want to stream I can always switch back to Android.

Now all I need is a good set to pair with the DX340. I'll most likely buy the Alter Ego from. Melodic Artification.
Battery replacement is the main factor of why I stick to all Ibasso even more. To have non user replacable batteries suck. What would you do when you need to replace it ? Contact the makers ? Good luck with that, because you will be needing a few months of good lucks 🤣
 
Mar 26, 2025 at 11:59 AM Post #4,971 of 6,441
Battery replacement is the main factor of why I stick to all Ibasso even more. To have non user replacable batteries suck. What would you do when you need to replace it ? Contact the makers ? Good luck with that, because you will be needing a few months of good lucks 🤣
One of the main reasons that I went for the dx340. I'm fed up of upgrading daps every few months. I'm going to stuck with this one for a long time. I'll probably sell some of my other ones
 
Mar 26, 2025 at 12:04 PM Post #4,972 of 6,441
iBasso DX340 Debloating & Tweaking Playbook

Halfway through the week, time for a new update: version v5.3 is live! This is primarily a maintenance release. All scripts should now also be compatible with DX180 (although not fully tested). Check the release notes for all changes and additional options.

As you may know, I am quite conservative when it comes to tweaking streaming devices. I never just copy something I find on the internet. I prefer to do my own research and/or use reliable sources (like Redhat's TuneD for kernel tuning). Every "tweak" is tested for (low latency) performance and - if applicable - sound quality. Still, I fell into the trap of using a dubious setting that can be found in many optimization guides.

Last week I spent some time looking at the kernel and system logs (dmesg & logcat) to find ways to reduce system interrupts (IRQs)...yeah, I need a real hobby ;). Up until now, a setting called multicore_packet_scheduler was enabled via Debloating & Optimization. Official documentation doesn't seem to exist. But according to "Developer options" it should improve network performance. Measured with speedtest.net and fast.com it did indeed show a 10-15% increase in download speed. However, at a considerable cost: it places interrupts/listeners on - what seems to be - all CPU cores. Those of you who use Windows know for sure: spurious interrupts are bad. As of this release, this setting is therefore disabled.

For those who asked what my personal Advanced Tweaking options/settings are:
  • With AMP14 card: "Performance MAX ✨" (pmax=1), H1
  • With AMP15 card: Default installation, H3
Special thanks to @pmichaelro for the feedback and helping with DX180 compatibility.

Enjoy the improvements!
 
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Mar 26, 2025 at 12:55 PM Post #4,973 of 6,441
I’ve had the DX340 and LTPGT2 for a few days and have been going back and forth with the DAPs alone, then from my PC as USB DAC into my Tsuranagi V2.

Listening was done with APX SE and Anni 23.

They are very different, but both are super highly resolving DAPs. Both have really big soundstage, but the 340 is more holographic. The 340 has a cleaner, more vibrant presentation, bringing lots of energy, while pulling out all the details in the music, yet never becoming bright. And the notes are clearly defined and positioned appropriately around the head. I hear details in the music that I haven’t heard before. It has a lovely liquid quality that’s addictive. It kinda hits the spot for my tastes. I’m a sparkle, air and soundstage lover. You get 5 harmonic DAC filter options to adjust to your tastes. I found these to have a very subtle impact on the sound.

The GT2 is unique in that it offers the user so many options for music playback. It can upscale everything to 32-bit/768 kHz and can convert from PCM to DSD or vice versa. It can also upscale to DSD512. It offers a lot of PMEQ and ATE options to adjust to your preferences. There are no apps so no native streaming. This is fine for me as I plan to use at my desk with my PC. But I was able to stream from my iphone via AirPlay or USB connection. DLNA is also possible but I didn’t try it. There’s also LTTP for streaming from mobile, but I don’t have the LTTP device. Sound wise, the GT2 is slightly warmer, has much bigger, but very tight bass, is super resolving, and brings out all the details, but with a more muscular presentation. The soundstage is really big and imaging is top notch. What adds to the soundstage is the sense that it digs so deep into the bass regions that it’s visceral, yet it also reaches up into the highest frequencies with ease, so it just feels massive. The highs are not as bright and crystalline as on the DX340, but if you’re treble sensitive, this is a good thing. The details are still there.
Did you use the 12 volt with the DX340? I can compare with my desktop amps using IEMs on on 12 volts, the DX340 is exceptional when compared as a stand alone using the 12 volts to line out of various daps or other dacs. To me, the DX340 on 12 volt is unprecedented in sound reproduction.
 
Mar 26, 2025 at 1:20 PM Post #4,974 of 6,441
Thanks @Stouthart for pushing me out of my comfort zone, I mean that is as a sincere compliment. Being a Windows person I have had to brush up on my Unix that I took courses for in college. Ask many Windows techies and they do not want to touch Linux though we have had PowerShell for awhile now. You are a Linux expert, much more than me, no doubts. Having Windows knowledge has been helpful as my debloat uses a Windows app and now have some presets to use with app for people to use as basis of choosing their own modules they may need or not need for their use of DAP.

I like people to have options. Nothing wrong with @Stouthart solution. He is doing a great job. I am working on a Magisk Module based solution but DAP has to be rooted. I prefer to have my DAPs rooted. I now tell you how to remove root and hide apps from detection of root, like Apple Music which will not work if it detects a rooted device. It still a work in progress as I have to research/re-learn a lot of stuff which @Stouthart already knows because he is a Linux expert and lots of testing - takes a lot of time! My solution allows for easy removal and upgrades to modules. You can switch between a max performance version to more battery focused version just by disabling the max performance module and enable battery focused one in Magisk and with reboot its active. Also other modules that do other stuff can be added too along with tweaking module - like allowing Google Play Services to be put into battery restricted mode to improve battery life. There are tons of modules available allowing you to choose what you want to try.

I use SmartPack which allows solution to be used on different Ibasso DAPs. I have owned DX320,DX180,DX260 and of course now DX340s. I have been messing with Ibassos for months now. You can choose your min frequency to suite your own preferences as its not hard coded into module. IF you want to try the most current version available it is in my thread on this site. It is not finished yet as I am still fine-tuning and testing so make no guarantees that it is perfect. It has been fun to re-learn and learn new things all done while enjoying music on my other DX340. I will post next when I feel I have tested enough and its perfect.

The DX340 is my end-game. It is simply the best DAP/Source I have ever used. Maybe DX340 Max or DX360 will be better but I doubt will be night or day better than DX340 as DX340 is pushing the limits of what a DAP can deliver. Ibasso has created a master piece :) :) Anyone who has doubts about getting a DX340 should just buy one. It is really that good and I am saying that after owning one since end of Jan. I am not speaking from the honeymoon phase here. I have spent over $3k of my own money (2 DX340s) so no one is paying me to hype. I am addicted to 12V DC IN/Super Gain!!! Once AMP17 comes out I can just switch the DX340 I am using vs changing a card.

For those getting AMP16 I highly recommend doing a flash vs OTA upgrade for FW. I have added an important missing step to flash guide - deleting anything that is present in flash BEFORE flashing the new FW. For those that want to use battery by-pass I have found plugging DAP into power bank or capable charger with DAP OFF to never give any issues with DAP reverting to using internal battery vs other power source. I have seen a few times where even though its plugged into battery bank internal battery is used as evidenced by battery discharging.

For those that love the look of DX320x liquid metal you can polish all SS on DX340 to give a beautiful mirror shine. This also will remove any micro-scratches too.
 
Mar 26, 2025 at 1:37 PM Post #4,975 of 6,441
Did you use the 12 volt with the DX340? I can compare with my desktop amps using IEMs on on 12 volts, the DX340 is exceptional when compared as a stand alone using the 12 volts to line out of various daps or other dacs. To me, the DX340 on 12 volt is unprecedented in sound reproduction.
Yes I did. And I agree with you. The DX340 drives my Anni 23 best with the 12V in super gain mode. It sounds fantastic. I only wish it sounded this way all the time. Nice to have that option when I’m stationary and have an outlet to plug into.
 
Mar 26, 2025 at 1:49 PM Post #4,976 of 6,441
FYI! Get 'em while they're hot... Bloom Audio just got a shipment of AMP16s. My order is in!
 
Mar 26, 2025 at 2:23 PM Post #4,977 of 6,441
Yes I did. And I agree with you. The DX340 drives my Anni 23 best with the 12V in super gain mode. It sounds fantastic. I only wish it sounded this way all the time. Nice to have that option when I’m stationary and have an outlet to plug into.
You can have that option always. Just buy a portable power bank and the necessary cable. I use Super gain 100% of time when at home to when I go out and about.

https://www.amazon.com/dp/B0CB1DTFT6?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
https://www.amazon.com/dp/B0BGFC77M6?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
https://www.amazon.com/dp/B0CTMJM3LK?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
IS one option
 
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Mar 26, 2025 at 3:15 PM Post #4,978 of 6,441
Just got my amp16! Went home to grab it and install it! Time for a listen! :):gs1000smile::beyersmile::L3000:

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Mar 26, 2025 at 10:04 PM Post #4,979 of 6,441
Good quick take but I don’t hear a larger soundstage with amp 16. To me it was noticeably smaller but I need to listen to amp 16 more when I get time.

Are you comparing AMP15 BAL to AMP16 AB (solid-state) BAL, with the same gain setting, volume matched, the same IEM, playing the same track, etc.? I try to stay very consistent when it comes to such A/B comparisons; any deviation, even a change in volume if it is not matched, will affect the perception of the sound. But as they say, this is a subjective hobby, and I don't expect everybody to hear it the same. By the way, what IEM are you using in the comparison?
 
Mar 26, 2025 at 10:10 PM Post #4,980 of 6,441
Are you comparing AMP15 BAL to AMP16 AB (solid-state) BAL, with the same gain setting, volume matched, the same IEM, playing the same track, etc.? I try to stay very consistent when it comes to such A/B comparisons; any deviation, even a change in volume if it is not matched, will affect the perception of the sound. But as they say, this is a subjective hobby, and I don't expect everybody to hear it the same. By the way, what IEM are you using in the comparison?
Yes. I'm using Clara Ti. Like I said I have let Amp 16 cook for awhile and then I'll compare again.
 

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