T8 6N3 Digital Tube Preamplifier Bluetooth 5.0 Hi-Fi Headphone Preamp Decoder Preamp PC-USB DAC APTX for Home Wireless Receiver Audio Stereo Amplifier + with Remote Control

This PreAmp has surpassed my expectations for the price point of it. I have only used the USB connection at this point. (I may not have completely read the listing, but I was pleasantly surprised to find a USB cable with an inline torroid (RFI prevention device) on it in the box.) I have this hooked up to a M2 Pro Mac Mini. At this time, it is hooked up to a discount store 2.1 computer speaker system. When the speakers were hooked up directly to the Mac via 3.5 mm to RCA cable (Monster brand), the sound output was just Mehh. I was ok with that, as I did not expect much from the speakers ever. With this, the speakers have come alive, more so than just the increase in gain from the pre amp. Although the EQ is just treble and bass, it helps greatly to tune to the speakers themselves, and as such the cheap speakers have much more authority. In addition, the pre amp provides a small amount of reverb, and also smooths out the sound itself, thanks to the tube in the mix. I do intend on getting another tube, probably a JAN 2457 (the number may be wrong), as I have a pair of those in a phono preamp as it does un-muddy the treble some. I also have noticed, after about a 30-40 hr burn in for the tube, that the audio is much more balanced and not as muddy. This is normal for tubes, so I will probably run with the stock tubes for right now, especially since the speakers will not do justice to upgraded tubes. Get this, you can't go wrong. I have been around hi-fi audio and stage audio my entire life, and this pre-amp hits extremely high for its price point and design. It is absolutely quiet, even at full gain output on all devices.

I was trying to decide between this Aiyima T8 and the Douk P1, but this one won me over due to the remote control and optical in, which the P1 both lack. This (with the Aiyima A07 power amp) is replacing an SMSL AD18 that's going to my garage. I needed a versatile, inexpensive, and small preamp unit for my bedroom, and this is perfect for my needs. This and the A07 are currently feeding Emotiva B1+ speakers. My audio source is a Chromecast Audio connected to the T8 via optical in, and while the Sabre ES9018K2M isn't the newest DAC chip around, it is still very capable. I also tried the RCA, USB, and bluetooth inputs, and they all work well. One thing to note is that there's been a bit of confusion regarding the tube signal output. Some online reviews have stated that if you want the tube sound, you need to use the front 3.5mm headphone out only. After emailing with Aiyima, they confirmed that the tube signal also goes to the rear RCA out. In fact, there is no audio output at all if no tube is inserted. Anyway, I've been using a NOS 6N3P-E tube and am happy with the sound. Lastly, the bass and treble adjustments are nice feature. Since I'm using this in an upstairs bedroom where I do not want a subwoofer placed, a slight increase in bass EQ is all that my speakers need to sound more full-bodied when playing music. A slight negative though is that from what I know, the only way to adjust treble and bass is thru the remote control. If you lose or damage the remote, you're out of luck with EQ adjustments. Overall, I like this T8 a lot. I'm a fan of small budget hifi components, and this is perfect for my needs. This paired with the small and excellent A07 sound better than my outgoing AD18.

When I started my mission to look for a to replace my old tube preamp, I wanted to find something pretty much straightforward without spending too much money to insert between my PC and stereo. I was fortunate enough to discover the AIYIMA T8 6N3 Digital Tube Preamplifier. The price is slightly higher than your typical pick of tube preamps for a very good reason. This product is PACKED with features making it a perfect solution to gain high quality sound! I am highly impressed with the simplified and compact design employing a single tube for 2 channels, but furthermore the options to interface between a variety of equipment including audio sources through bluetooth, RCA, Fiber, and digital is what makes this unit a must have! The selling point for me was the fact I can plug this preamp into my PC and feed sound directly into the tube preamp guaranteeing the highest of quality with sample rates for A/D conversion up to 192khz/24-bit. I am not an audio expert or audiophile person by no means and can not give a product comparison with other tube preamps. I do highly recommend this amp for anyone seeking a starter solution to enjoy high quality audio, especially if your sound source is going to be your PC. The unit is extremely simple to operate with one button on the front to control most of the features, and a remote to control all the features including bass/treble settings. Even if you don't have an amplifier or an amplified speaker system (which is required for use with those setups), you can still enjoy an amazing experience by using the headphone jack as the unit can power headphones. If the headline caught your attention, there is a "but" and why the overall rating is 4 stars instead of 5. I will also add I doubt most people will experience this issue, but this is just a note so you are aware. I do have a problem when playing video games or opening any program that's resource intensive that sometimes using the preamp in the PC source mode (using USB from computer to deliver sound) that the driver crashes and I stop hearing sound. The only way I have found to recover from the crash is to restart the preamp by powering off and back on. I really hate doing this since I'm turning a tube off and back on uneccessarily, but only way I can make it work again. I generally work around this problem by connecting the preamp to my internal soundcard and not using the USB/sound drivers. The result is degraded audio since my internal sound card is not has good. This bugginess is disappointing but I chalk this problem up to potentially the fact I am running Windows 7 still (boo.!!!). I still overall recommend this preamp highly! I plan on buying a second one for experimentation for car audio soon and fingers crossed to achieve good results. It's worth mentioning the unit runs off of 12 volts DC and it's very hard to find 12 volt preamps! Thank you again AIYIMA, you have made an amazing product for today's needs without breaking the bank!

So far so good. Does everything I need in one box: optical input, good headphone output, remote control with tone controls, and BT and a tube to boot. Much better than the defective Fosi MC331. Am thinking of getting a second one for my other TV.

良い！

Me gustó, compacto con aluminio y se escucha muy vivo especialmente la voces. Mis Sennheiser 620 se escuchan mejor que con mi tarjeta de audio de mi computadora Realtek o iPhone 12 Pro Max. No se distorsiona con volúmenes altos. Y le saca más jugo a mis Sennheiser. Lo que si el driver es algo viejo usándolo con la computadora de fecha 2020. No lo trabajaron más en casi 6 años. Y requiere que lo instales manualmente.

大人になってから初めて真空管の商品を買いました。音的には私の耳には区別がつきませんが、ほかの環境で変化がありますが、結構よい音がしています。

Buen producto pero caro

デザイン、機能も含めて面白い製品だと思います。 価格を考えるととても高機能です。筐体のビルドクオリティーも高いです。 普通に良い音色ですが、真空管採用の音質的な効果は限定的かと感じます。（AD MAX9722の音色ですかね？） ただ、少し留意点があります。（私の環境固有の可能性もありますが） ・Windows11での使用（標準ドライバー）でUSB接続が安定しません。具体的には時々再生中に盛大に音が歪み始めます、再生を一時停止して再開すると正常になるので、USB伝送の問題でドライバの起因かも知れません。 ・能率の高いイヤホンでホワイトノイズが気になります。