EPZ TP20 PRO

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#EPZTP20Pro

EPZ TP20 PRO: Clear, detailed & simple.

1. Intro​

• I got a review unit from a friend of mine who didn't want to be named.
• For this review is purely my personal opinion based on what I felt during the study.
• It is one of the most used applications by professionals in this area.
• For the build quality is still quite okay for the price. With body & frame made of aluminum. The physical buttons also feel clickly & click for the gain settings are also okay. Because it's a pity to make the weight so hollow in a less dense form, it's a pity to come back again according to the price too. For this cable to be good, both constructively and the sound produced. So I compared the same cable carry it UA4 he felt better open his voice & felt more solid too.

2. User experience​

• First this dongle in power can be used not really big but not too small. You could say the standard aja power, just enough to make a lot of iem. I tested using Epz Q1 pro at 3.5 low gain only 40% wrote enjoy.
• The second such he can be called cold. I played 1 hour with the conditions above the temperature is still limited cool. In terms of power, he doesn't belong on the bench. With the purchase conditions above certain kena 10% on my cellphone, mayor dongle that I try is usually around 15%.
• Third, the TP20 Pro feature looks less attractive when compared to its competitors. To get a smaller volume, this EPZ TP20 Pro does not have it, so for limited volume settings it fits. Yes although this could be a little different using the ibasso UAC app. It just keeps bothering me.

3. Sound quality​

• First of the bass EPZ TP20 Pro is no different from the bassnya. So the presentation is so much more punchy, cleaner & neater.
• Second to mid weights also no change. So the presentation is so much brighter, cleaner, more advanced & more open.
• The third for the treble is more open, more detailed, more spacious & more extends.
• Fo Technical It is very helpful to improve the quality of life in ever better detail, ever clearer resolution, ever clearer clarity & faster separation.

4. Comparison​

- EPZ TP20 Pro VS Tempotec BHD :​

• The bass bhd is a little bigger, a little deeper. While the tp20 pro has a firmer, cleaner & more agile bass.
• Midnya bhd has a softer, smoother, softer & more natural taste. While tp20 pro with cleaner, clearer, sweeter & more loose taste.
• For treble bhd little smooth. While the tp20 pro has more open, more detailed & more extends.
• For the technique easier good stage in bhd more balance with Right-Left & top-bottom. While in tp20 pro with more detailed specifications, more clearly separated also neater.

5. EPZ TP20 PRO IS SUITABLE FOR ANYONE​

• For the IEM that is present, the sound starts to warm or relax. Rich C3, delci or elixir.
• Suitable for those who want iem upper middle section more open or better presentation.
• For those who use a simple dongle aka plug & play, there is no need to update the firmware or make Settings.

6. Conclusion​

This EPZ TP20 Pro is a dongle that used to be good in terms of sound but there are some shortcomings in terms of user experience that does not have an independent volume (although it can be used for ibasso UAC applications) & also the build feels less solid. It's just that all the shortcomings are actually still tolerable for me considering the price. So I think this dongle is still recommended to try because I think the sound is very good for the price, even though there are several broken ones.

7. Song samples​

• Kessoku Band - Chronostasis
• Kessoku Band - Shine as usual
• Ado - Unravel
• Green Day - Wake Me Up When september ends
• Red jumpsuit Apparatus - Face down
• Ten2five - I will fly
• Yorushika - Sunny

SPECIFICATION:​

Single-Ended: Gain Switch Gear - High Gain

Output Power: 2Vrms@32Ω (125mW@32Ω)
Decoding: PCM 32bit/384kHz/DSD256
THD+N: 0.0018% (A-weighting@0.5V)
Frequency Response: 20Hz-40kHz
Signal-to-Noise Ratio: 125dB
Channel Separation: -75dB
Dynamic Range: 125dB
Output Impedance: 32Ω (Refers to the maximum thrust output after connecting the 32Ω headset)
DSD: 256


Balanced: Gain Switch Gear - High Gain

Output Power: 4Vrms max (151mW@32 ohms)
Decoding: PCM 32bit/384kHz/DSD256
THD+N: 0.0008% (A-weighting@0.5V)
Frequency Response: 20Hz-40kHz
Signal-to-Noise Ratio: 130dB
Channel Separation: -100dB
Dynamic Range: 130dB
Output Impedance: 32Ω (Refers to the maximum thrust output after connecting the 32Ω headset)
Net Weight: 56g
Size: 5.5x2.4x1.2cm



For testing, I primarily used my phone. I attempted to use it on my computer, but since it lacked a USB-A to C adapter, I utilized one from DDhifi. It was also tested on the TempoTec V6 using the Hiby application, and it functioned well. With a large collection of headphones and IEMs at my disposal, it underwent thorough testing, especially with the EPZ G10, Q5, Q1 Pro, Westone Mach70 and 60, Moondrop Blessing 3, Simgot EW300, SuperMix4, Letshuoer Cadenza 4, S15, and S12 PRO, KiwiEars Orchestra Lite and Quartet, and finally, the Etymotic ER4XR.The headphones tested included the Meze 99 Classic, Fostex T50RP Mayflower, Dekoni Blue, HifiMan Sundara Closed, and the SIVGA Robin. They performed decently in terms of dynamics and, surprisingly, better than expected with planar magnetic drivers but its more towards 32ohms and IEM in terms of power. It does handle planar IEM no problem and I feel has good volume and clarity even with hard to drive equipment.

I appreciate the cool look; I own various carbon fiber items and have always been fond of that appearance. The construction is robust, featuring a physical gain switch and buttons for volume, play, and pause.
The TP20 Pro includes a high-quality braided USB-C to USB-C cable, though it lacks adapters for Apple or USB-A. However, the product is packaged in a sturdy box with a minimalist aesthetic.

The device operated impeccably, producing minimal ground noise even with all balanced armature in-ear monitors and the more sensitive models. It delivers outstanding clarity and detail, preserving a neutral signature that enhances the connected in-ear monitor's performance. The quality of the headphones and in-ear monitors is faithfully reproduced without any coloration, which is advantageous for various situations.

EPZ TP20 Pro review

I am an audiophile from sunny South Africa

This TP20 Pro Dac/Amp was send to me by EPZ as part of the Audio Geek South African review tour. This review is totally my own opinion and I receive no compensation in any way from the company as my integrity and name are much more important than any financial gain. Dealing with EPZ is always a pleasure as they respond to email and WhatsApp messages very fast. It’s one of those companies that want to do business and my package arrived within two weeks after discussing with EPZ.

Unboxing

This Dac/Amp sells for R990-00 in my country and the packaging certainly is reflective of the price as this one of the sturdiest cardboard boxes I have ever received portable audio stuff in. I really have to commend EPZ on their packaging as this is now a 3rd product from them I am unboxing and the packaging quality is top notch. When you slide the black box open by the little black piece of lint you are immediately greeted by the TP20 Pro and cable. At the bottom there is just little instructions card and also your quality control card. I am very happy with the packaging and how the product is displayed.


Specs

DAC: CS43131*2

PCM: 32Bit/384KHz/DSD256

Output power: 2vrms @ 32ohm 121mw (3.5) / 4vrms @ 32ohm 171mw (4.4)

Signal-to-noise ratio: ≥125db (3.5)/ ≥130db (4.4)

THD+N: ≤0.0008%

Dynamic range: ≥125 dB (3.5) / 130 dB (4.4)

Output:3.5MM/4.4M

Weight: 25g (excluding packaging box)





Connectivity

This TP20 Pro features a USB- C TO USB- C cable so you can connect it to your phone and tablet, pc and laptop. I connected it to my Windows 10 laptop with a usb to usb-c adapter (unfortunately not included) without any need to install a driver. I also connected it to my Oppo A78 and LG V20 phones. I found the greatest synergy and ease of use by plugging it into the Hiby M300 dap which to me is a great transport if you collect dongle dacs and want to switch between dongles. Also if you are a IOS user you are going to have to get a usb-c to lightning adapter.


Look & Build

The Tp20 Pro is such a fresh new look with the carbon fiber and I like it a lot. It is also heavy and you can feel its quality. The buttons are sturdy and also feels like quality. I liked to use it lying on its side with the wording being on top and I wish the green led would have been just on the opposite side of where it is currently located but that is just me nit picking because if I have to see if the device is on I have to flip it over. I totally feel by this sturdy build quality that you are getting your money’s worth as I handled an almost twice expensive dongle the other day which felt so cheap and plastic. I really like the cable quality even though I prefer 0.78mm 2pin connectors I can’t fault the QDC connectors because that is just personal preference and not universal.



Sound

As I am looking at my written notes and writing this review I am listening to the Tp20 playing dac and amplifier for the Hiby m300 digital audio player. Connected in turn to the Nicehck mx7 mk4 and I have to say that I am enjoying this very much with some Andrea Bocelli- Time to say goodbye and my eyes is closed and I am humming to the beautiful vocals of Andrea and Sarah Brightman. The magic in the sound of a neutral device is it will faithfully reproduce whatever you feed it so the ear tips, iem’s and source and source material will be a far greater influence on the sound than the TP20.

I tested the TP20 pro with various IEM’s like the Nicehck nx7 mk4, Kefine Klanar, Arrti R1, EPZ Q5 and CVJ Nightelf and the Tp20 is so neutral that you can recognize the strengths and weaknesses of each of those IEM and that is a great feat. I have listened to AK, CL and ESS dacs and I don’t know if its psycho acoustics but I can distinguish between them. The AK’s the warmest to me then the CIRUS Logics and lastly the sterile Ess dacs which I have a love and hate relationship with as I love them in all my LG V-Series phones.

I got a really enjoyable sound with the TP20 pro connected to the Hiby M300 Streaming Tidal High res and it shined on any genre and I used the black tuning nozzle on the NX7’S. I also tested the 4.4mm balanced output side with the Kefine Klanar planar IEM’S which came with the 4.4mm balanced cable and never did it feel that the planars were underpowered and on the contrary I could never get the volume past 70% without it getting very uncomfortable on my eardrums.

Whenever I played some better recorded albums like Regina Spektor- Far the TP20 pro stepped up and fed the EPZ Q5 with some audiophile tones and Take Five by Dave Brubeck had my foot tapping.



Conclusion

I did not test the TP20 with any full Headphones so I can’t comment on that but I am very happy to be using it every day with all my in ear monitors. I can definitely recommend the TP20 because its price vs performance ratio is huge and I think it is a good all-rounder dac/amp to own. If the TP20 Pro is this good , I can't wait to try out the TP50.

EPZ has been gaining more attention lately, and rightfully so. Not only do their IEMs perform well in their respective price ranges, but they also make some of the most cost-effective dongle DAC/Amps on the market.



A few months ago, they released the pro versions of their TP20 and TP50 dongles. The TP20 Pro, which I have with me, is one of the cheapest balanced dongles at $55 as I write this review.

Disclaimers​

The EPZ TP20 Pro was sent to me by EPZ for a review. As I always say, everyone is biased in one way or another, so take everything you read with a grain of salt. Additionally, I will try to be more concise and to the point in my reviews from now on without worrying about the word count, etc. If you have any questions, please ask me in the comments, and I will try to answer them to the best of my abilities.

Design and Packaging of EPZ TP20 Pro​

The EPZ TP20 Pro is a rather unimpressive, large rectangular black box. The chassis of the dongle is made out of aluminum, and the front and back plates are made out of real carbon fiber. The brand, model name, and basic specs of the dongle are written on one side, and an LED indicator is placed on the other side. The cable is removable, and you can use any OTG USB-C cable with the dongle. However, the USB-C to USB-C cable that comes in the package is braided and of very high quality. On top, the TP20 Pro has a gain switch and below, three buttons for volume down, play/pause, and volume up. Like most recent dongles, the TP20 Pro has 3.5 mm single-ended and 4.4 mm balanced headphone outputs.



The TP20 Pro is packaged in a simple black box. The dongle and cable sit safely in their respective cavities in foam. You also get a card with simple operation instructions, key features of the dongle, and specifications.

Hardware of EPZ TP20 Pro​

The TP20 utilizes dual Cirrus Logic CS43131 DAC chips. There is no information in the marketing material about the amplification circuit. Like most other dongles that use Cirrus Logic chips, the TP20 measures pretty well. It decodes up to 32-bit 384 kHz PCM and DSD256. According to the specs, the TP20 Pro outputs 121 mW of power from the single-ended output and 171 mW from the balanced output.

User Experience of TP20 Pro​

The TP20 Pro doesn’t have a screen like its older brother, the TP50 Pro, but operation is rather simple. The dongle is plug-and-play and doesn’t require any drivers on Windows PCs. Volume control isn’t independent, so whatever device you use should remember the volume you last adjusted as soon as you connect the dongle. Honestly, I prefer independent volume adjustment, but your mileage may vary (YMMV). What I like most about the TP20 Pro is the gain switch. Other dongles I have used either require you to press volume up and down at the same time or navigate through their menu to change the gain setting.

Sound of EPZ TP20 Pro​

Dongles that use Cirrus Logic chips usually sound very neutral, and the TP20 Pro is no exception. You could even call it boring, with no real deviation from flat or emphasis. Still, the EPZ TP20 Pro sounds slightly more energetic than usual to my ears. For more context, check out the comparison below.

Comparison​

EPZ TP20 Pro vs. Tanchjim Space​

• The biggest difference I noticed is that the Space sounds more contrasty and dynamic, which makes me think that differences are probably caused by compression in dynamic range because the Space uses hardware volume while the TP20 Pro adjusts phone or PC volume.
• The Space might have just a little more bass and treble extension.
• The Space is a little bit softer, more controlled, and refined in the treble.
• The Space has a more realistic timbre.
• Details and layering might be slightly better on the Tanchjim Space, but it isn’t a significant difference.
• All the differences I mentioned were so small that I might as well have been imagining them.

Conclusion​

The TP20 Pro runs and sounds perfectly fine. The stock cable it comes with is better than most others. For the $55 price, you get a simple device that will make any purist happy. I only wish it had independent volume adjustment, but some might even prefer it this way.

Disclaimer:​

Good morning to all readers! Today we try out EPZ’s new CS43131 dual-chip DAC. After trying the top of the line, the EPZ TP50, expectations are understandably high. Clearly, from my perspective, the market for dongles that mount the CS43131 has become extremely saturated. Unless power amplifiers or specific implementations are used, it is difficult to stand out among the crowd.

The review, as always, will be completely unbiased and uninfluenced.

I would like to remind you that I am just a person who enjoys trying out new items and listening to a lot of music; I am not an expert.

My opinions are obviously subjective.

Tech Specs:​

• DAC: CS43131*2
• PCM: 32Bit/384KHz/DSD256
• Output power: 2vrms @ 32ohm 121mw (3.5) / 4vrms @ 32ohm 171mw (4.4)
• Signal-to-noise ratio: ≥125db (3.5)/ ≥130db (4.4)
• THD+N: ≤0.0008%
• Dynamic range: ≥125 dB (3.5) / 130 dB (4.4)
• Output:3.5MM/4.4M
• Weight: 25g (excluding packaging box)

Packaging:​

The EPZ packages have undergone very minor, purely aesthetic changes; as is typical, there are a few minor errors. This time, it is in the little manual.


However, when it slides open, we immediately see the TP20 Pro and its type C cable.


There is nothing else, and as I previously stated for the TP50, the USB adapter is also missing from the TP20 PRO.


However, I think the packaging is excellent; all that’s missing is the USB adapter. If we want to be extremely precise, perhaps we could opt for a cable covered in fabric to be more resistant. These braided cables are beautiful but much more delicate.

Build quality/First impressions:​

The new TP20 Pro now has a much lighter weight; the TP20 was a 55-gram block of cast aluminium, while the TP20 Pro has a much lighter CNC-machined aluminum shell.


The two faces are theoretically made of real carbon fiber, which gives it an almost more serious look compared to the TP50, which has a less serious aesthetic. The improvement from the previous model is obvious: a lighter shell and buttons that are more comfortable. As always, we have the physical gain switch, which is very convenient and easy to use and in addition to the volume buttons, we also have the play pause button. Obviously, the buttons also work on my iMac so the convenience isn’t just on mobile.



360 Overview

Power:​

In terms of power, absolutely nothing has changed but it is also excellent for driving some planar IEMs (on balanced output, obviously) or some IEMs that exceed 64 ohms. If you have more demanding loads, you have to increase the budget. No problems with the EPZ x Tipsy Star One or even with the Hidizs MP145.

Sound Signature:​

The question you are asking yourself is, “Has anything changed, or are we still dealing with the same dongle but in a lighter case?”


When I first connected to my iMac, I noticed that the USB interface was identical to the old TP20; essentially, the computer is unable to distinguish between them, so suspecting that it is the same motherboard is entirely legitimate and correct.


The operation is identical to that of most CS43131 DACs, so the only way to determine if there are differences is to disassemble both dongles and inspect each component individually. What I can assure you is that the TP20 Pro has far more resolution and refinement than the old one, which falls into the category of an old cirrus that is a little dark and has a stage that is not overly developed. So the TP20 Pro is undoubtedly better.

Fast Comparison:​

Donglemadness
For price reasons, I am not going to compare it with DACs equipped with the CS43198; they normally cost more and are slightly more refined in sound. So I will make comparisons with cheap dongles that use the same chip. More are coming out so there will definitely be something better in a month. Now under attention is the Fosi DS2, which has a remarkable output.

vs Moondrop Dawn Pro​

For price reasons, the Moondrop Dawn Pro remains in the entry level range, the dongle to beat. It’s cheap, it has an app, the buttons are a little loose but it also sounds very good (we’re already at the best version of the CS43131). Obviously, it has some cons in terms of aesthetics; the shell has holes and dirt or moisture can enter involuntarily.

vs EPZ TP20​

Currently positioned at 50 USD, in my opinion, it cannot compete with the Dawn Pro at the same price. Even though it is an excellent DAC, it lacks resolution, and the soundstage is not as developed. Its weight does not make it extremely suitable for use on the move without worries.

vs FiiO KA11​

Fiio Ka11
If balanced output doesn’t interest you and your priority is lightness and power, then the Fiio KA11 remains the best choice. I remain in love with this very small dongle. For someone like me who started with the ALC5686 with the same shape, having achieved such interesting powers in super-compact formats is remarkable. Of course, it sounds like the newer Cirrus Logics and has an accompanying app.

Who do I recommend this DAC to?​

Front Faceplate
If we start from the assumption that every 2 weeks a supposedly better product is released, I certainly wouldn’t be able to recommend anything to you. However, I would like to point out to you that it is not a race to see who comes out with the most power, but rather that we need the right balance between power and quality. Many manufacturers are starting to write only the power, omitting the THD, so we must not think only about the power but also look at our needs. A dual CS43131, even without dedicated OP amps, is more than sufficient for most of our IEMs. The EPZ TP20 Pro is an excellent dongle on par with the Moondrop Dawn Pro; aesthetically, the TP20 Pro is more resistant, the carbon fiber is beautiful, and the app is missing but honestly, I don’t use it that often, even where it is available. When one can fix the gain, he is already a happy man. Excellent when combined with bright IEMs to slightly reduce peaks, or to add thickness to IEMs that are already rich in bass. Congratulations to EPZ for bridging the gap with its competitors.

Where to buy?​

EPZ AliExpress Official Store

USB DAC/Amp dongles are now becoming an important arsenal to audio enthusiasts especially if their smartphones don't have a headphone jack. Like having a DAC/Amp dongle is a must and a prerequisite for a modern portable audio enthusiast given its easy to carry frame where we can enjoy this pocket hi-fi device everywhere.



EPZ Audio is a recently established audio company that earned some recognition from the audio community due the quality of their products while offering them at reasonable price that budget-conscious audio enthusiasts are able to afford. Aside from IEMs, this company also offers USB DAC/Amp dongles.



What I have here is their latest entry-level DAC/Amp dongle from them, The TP20 Pro. This device has a compact size of 6mm x 2.5mm × 0.5mm and it has typical elongated rectangular shape and layout of input and output interfaces just like most DAC/amp dongles has. Its chassis is made of sand-blasted metal alloy which is quite solidly built with a carbon fibre-like design on its surface.



One of the good features of this device is that it has hardware button keys for volume control and a play/pause. The button keys are very responsive and snappy to press that we felt its tactile feedback as we touch it.



At the opposite side panel, it has a toggle switch for adjusting gain mode manually as this dongle device offers both low gain and high gain mode.



At the top and bottom part of this dongle, like most dongles, it uses a USB type-C port as its input while at the bottom part, there are two audio jack interfaces, a 3.5mm single ended port and 4.4mm balanced port.



As for its power output rating, 3.5mm in a high gain mode offers a 2Vrms at 32 ohms (125mW) while 4.4mm balanced in high gain mode offers a 4Vrms at 32 ohms (151mW). Those power outputs seem enough for most IEMs and headphones in the market.



It also has a LED indicator for PCM and DSD decoding mode, PCM is on green colour while the DSD is on red colour.

Inside of this device, it uses a highly-regarded and powerful Cirrus Logic DAC, the CS43131 which is known to be its power efficiency while delivering a high fidelity sound quality with powerful output from its built-in high quality headphone amplifier along with its IC's compact design that can drive 2Vrms on some headphones with high impedance output rating up to 600 ohms. When it comes to decoding capabilities, it can decode PCM format up to 32-bit/384kHz while on DSD format, it can render up to DSD256.


On its cable wire, it has an 8-core with a mix of high purity monocrystalline copper and silver-plated copper wirings that are braided for better transmission and anti-interference. It has a type-C to type-C connector in both of its ends.



For its product packaging, EPZ TP20 Pro is quite classy on its presentation given its price segment. It seems that EPZ is making a statement on how they will present their products.



Here are the following contents inside EPZ's packaging box:

• EPZ TP20 Pro USB DAC/amp dongle
• 8-core wire type-C to type-C cable connector
• User guide

EPZ TP20 Pro is compatible on most Android devices and also to other operating systems like Windows and Linux. It works well with Android music player apps with USB audio support like HiBy Music, UAPP, Neutron and Onkyo HF player.



As for its tonality, It appears that this device is on “warmish-neutral” sound profile which makes it more analogue-ish and musical sound due to noticeable slightly added colouration on it.


LOWS/BASS:

This device delivers a sufficient punch and tactile bass response. It has a well-balanced bass presence that is able to make a noticeable rumbling sound while having an ample texture.

There's a perceived sub-bass presence that produced some reverberations from sub bass-focused instruments like low tone bass guitars, synthesisers, drum machines and octabasses. Midbass appears to have more texture to give that well-bodied note weight for depth and volume on instruments and vocals particularly on bass-baritones.


MIDRANGE:

The midrange quality that this device is able to deliver is quite neutral while maintaining a well-textured and dense note weight to give that warm characteristic. Both vocals and instruments have a fairly detailed and natural sound to give that “analogue-ish” vibe on their respective timbre.

Male vocals like baritones, tenors and countertenors have its warmth, brassy and smoothness on their respective timbre. On female vocals, contraltos sound quite correct on how it sounds husky and smoky while mezzo-sopranos have a tenderness and smoothness on their vocals, and then soprano vocals have a creamy and silkiness on their vocal projection.

That inherent warm characteristics gives more depth and consistency on tonal colour from each type of instrument particularly brasses and percussions. Brasses like trombones, trumpets and horns have brassy, full and warm sound with their distinctive dark timbre, while on percussions, field drums have sombre and boomy sound on them, snares and l tom-toms have hard and resonant sound with added warmth on them, and kettledrums have some deep and powerful sound that complements will brass instruments to convey that distinctive tonal magnificence that were usually found on classical composition pieces. On strings, guitars sound a bit meaty and warm, while violins have full and lustrous sound from them. As for woodwind instruments like piccolos, flutes, clarinets, bassoons and saxophones, they have delicate, rich, melodic, warm and velvety sound respectively. And last but not the least, pianos appear to sound quite warm and lush.


HIGHS/TREBLE:

The overall treble response that this DAC/Amp is able to deliver is quite smooth and even as it tries to maintain that tonal balance across its frequency range. It has some good definition and clarity on female vocals and instruments although it has less spacious and energetic sound compared to some DAC/Amp dongles that I've tested before.

It has an ample sparkle and it is capable of delivering a moderate amount of air in the brilliance part of this frequency. It somehow added a tad of warmth on cymbals, hi-hats, glockenspiels and celestas that affects some timbre quality of their respective tonal characteristics.


OVERALL TECHNICALITIES:

This device is quite capable of projecting a perceived fairly spacious soundscape where it more focuses on depth and height. If pairing this one with IEMs with adept technical capabilities, it will give an excellent layering on frequencies, tones and dynamics along with good separation on vocals and instruments in clean, pitch-black sonic background.

On resolution capabilities, its macro-dynamics is quite solid as it is able to give a more firmness of attack and slam of instruments that are able to influence on compression, while on micro-dynamics seems competent for its detail retrieval on extracting nuances and subtleties from an audio track.


PEER COMPARISONS:

TRUTHEAR SHIO

● Both dongles shared a similar form factor, an option to change gain modes and a snappy physical button but despite that both devices used Cirrus Logic DAC chip, SHIO's CS43198 is a newer generation compared to TP20 PRO's CS43131. The surface of SHIO is covered with PU leather and its overall weight is a bit lighter compared to TP20 PRO. And another that is quite an unusual implementation of gain mode on how we access its functionality is through pressing in between volume control buttons.

● As for sound quality, it has a warmish-neutral tonal profile just like the TP20 PRO but it has a tad more emphasis on treble region. On technical aspects, it is capable of delivering a moderately spacious sound/speaker stage, well-rendered layering and separation, and good resolution capabilities. On power output, it appears that the SHIO is quite a bit more powerful as it can drive some power-hungry cans that I've tested before.


HIDIZS S9 PRO PLUS: MARTHA

● HIDIZS’ latest flagship dongle as this is the third generation of their S9 series. Unlike TP20 PRO, S9 PRO PLUS uses the proven ESS DAC, ES9308 which is also quite capable of decoding and delivering a substantial amount of power output albeit it doesn't have a manual gain mode but it offers different types of digital filters. Also, S9 PRO PLUS is also fairly lighter than TP20 PRO in terms of weight

● On tonal quality, S9 PRO PLUS has a balanced-neutral as it has a tad less warmth compared to TP20 PRO and it appears that it has an elevated treble response and has more airy extension. On technicalities, it seems that it has a tad sharper definition on micro-detail retrieval but in terms of power output, they are both similar but on paper, TP20 PRO can deliver up to 4 Vrms.


As I put my conclusion regarding this device, despite its diminutive-size, The EPZ TP20 PRO is quite an impressive performer. It delivers a power output that will give a well-amplified sound quality for better listening experience for a portable audio enthusiast.

EPZ AUDIO keeps putting up some competent products in the audio market that makes them competitive in terms of affordability and adequate performance, and this DAC/Amp is absolutely one of them that I can definitely recommend without batting an eyelid.

EPZ TP20 PRO is now available in EPZ AUDIO's official store in Aliexpress. For those interested buyers who want to purchase this item, you can check out the unaffiliated link below.


★★EPZ TP20 PRO - ALIEXPRESS★★


For more EPZ Audio review products, click the links below:

● EPZ K1
● EPZ Q5
● EPZ Q1 PRO



MY TESTING TRACKS: ( * = 16-bit FLAC, ** = 24-bit FLAC, *'* = MQA, '*' = DSD, *'= .WAV)

Alison Krauss -When You Say Nothing At All *
Jade Wiedlin - Blue Kiss**
Led Zeppelin - When The Levee Breaks **
Mountain - Mississippi Queen *
Queen - Killer Queen **
Guns N' Roses - Patience *'*
Eric Clapton - Tears in Heaven '*'
Sergio Mendes- Never Gonna Let You Go '*'
Pearl Jam - Daughter **
Roselia - Hidamari Rhodonite *
Assassin - Fight (To Stop The Tyranny)*
Celtic Frost- Visual Aggression *
New Order - Blue Monday *
The Corrs- What Can I do (unplugged version) *
Jimi Hendrix Experience - Voodoo Child *
The Madness- Buggy Trousers *
Metallica - Motorbreath **
Mariah Carey- Always Be My Baby *
Destiny's Child - Say My Name *
Malice Mizer- Au Revoir *
Mozart - Lacrimosa *
New York Philharmonic Orchestra - Dvorak- Symphony 9 " From the New World." *
Eva Cassidy - Fields of Gold (Sting cover)*
Michael Jackson - Give In To Me *
Exciter - Violence and Force *
Diana Krall - Stop This World **
Debbie Gibson - Foolish Beat *'*
The Sisters of Mercy – Lucretia My Reflection**
Suzanne Vega – Luka **
Lauren Christy – Steep *
Ottoman Mehter - Hucum Marsi *
Diana Damrau - Mozart: Die Zauberflöte*


P.S.

I am not affiliated to EPZ nor receive monetary incentives and financial gains as they provide me a review unit for an exchange of factual and sincere feedback from yours truly.

Once again, I would like to send my gratitude to TEAM EPZ for providing this review unit. I truly appreciate their generosity and trust towards me and other reviewers.