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  • VIDEO
Douk Audio T4 Pro Tube Phono Preamp for MM TurntablesDoukAudio
  • Douk Audio T4 PRO Vacuum Tube Phono Preamp, MM Turntable Preamplifier, GE5654 Hi-Fi Headphone Amp for Home Theater/Record Player/Stereo Amplifier/Active Speaker
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Douk Audio T4 PRO Vacuum Tube Phono Preamp, MM Turntable Preamplifier, GE5654 Hi-Fi Headphone Amp for Home Theater/Record Player/Stereo Amplifier/Active Speaker

4.4 out of 5 stars 291 ratings
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Purchase options and add-ons

  • T4 PRO tube preamp meets more HiFi needs: MM phono input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. 3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality.
  • Imported JAN5654 tubes and vintage warm sound: default comes with JAN5654 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.
  • 3.5mm headphone output and perfect circuit design: T4PRO also with built-in classic headphone amp circuit(2*NE5532), easily to drive 32-300 ohm headphones. Reasonable and advanced architecture, TI TPA5430 for power management, TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeatable low cost.
  • Mini size and excellent performance: all designs full of details, solid aluminum knob, potentiometer for smooth multi-level gain adjustment, grey integrated moulding aluminum alloy shell decorates with special red tube cover and knob, looks vintage and elegant. Compact T4 PRO will give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space.
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Frequently bought together

Douk Audio T4 PRO Vacuum Tube Phono Preamp, MM Turntable Preamplifier, GE5654 Hi-Fi Headphone Amp for Home Theater/Record Pla
This item: Douk Audio T4 PRO Vacuum Tube Phono Preamp, MM Turntable Preamplifier, GE5654 Hi-Fi Headphone Amp for Home Theater/Record Player/Stereo Amplifier/Active Speaker
$91.99
Get it by Saturday, Jul 26
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Sold by Douk Audio Direct and ships from 鶹 Fulfillment.
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$172.99
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Product information

Technical Details

Manufacturer ‎Douk Audio
Item model number ‎T4
Parcel Dimensions ‎25.6 x 21.7 x 6.4 cm; 630 g
ASIN ‎B09KZY8Y2S

Additional Information

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Douk Audio T4 PRO Vacuum Tube Phono Preamp, MM Turntable Preamplifier, GE5654 Hi-Fi Headphone Amp for Home Theater/Record Player/Stereo Amplifier/Active Speaker

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Product details

  • Parcel Dimensions ‏ : ‎ 25.6 x 21.7 x 6.4 cm; 630 g
  • Date First Available ‏ : ‎ Nov. 8 2021
  • Manufacturer ‏ : ‎ Douk Audio
  • ASIN ‏ : ‎ B09KZY8Y2S
  • Item model number ‏ : ‎ T4
  • 鶹 Rank: #54,913 in Electronics (See Top 100 in Electronics)
  • Customer Reviews:
    4.4 out of 5 stars 291 ratings

Product description

Introduction
Douk Audio T4 PRO can be used as a MM phono preamp, a tube audio preamp and a headphone amplifier, powerful function in mini size, specially designed for various requirements of home/desktop audio system.

Warm Tips
1. 3.5mm AUX input with priority, please make sure the AUX cable has been pulled out if want to use MM phono input.
2. Stereo RCA and 3.5mm headphone jack can output at the same time, and the knob also controls the volume of two outputs simultaneously.

Parameters
Brand: Douk Audio
Model: T4 PRO
Audio input: MM phono/turntable / 3.5mm AUX
Audio output: stereo L/R RCA / 3.5mm headphone jack
Output level: 1.5V (input 0.775V)
Max output power of headphone jack: 150mW@32Ω
Matched headphone impedance: 32-300Ω
Input sensitivity: 0.775V
Frequency response: 20Hz-20KHz(±3dB) (AUX IN) / Standard RIAA (phono IN)
S/N ratio: ≥105dB
THD: 0.2%
Dimensions(W*D*H): 95*117*30mm / 3.74*4.61*1.18in (exclude tubes)
Package dimensions(W*D*H): 255*215*65mm / 10.04*8.46*2.56in
Net weight: 330g / 0.73lb
Package weight: 600g / 1.32lb

Packing List
1*T4 PRO Preamp
2*JAN5654 Vacuum Tube
1*DC 12V Power Adapter
1*3.5mm to RCA Cable

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Price$91.99$90.99$72.99$195.99$129.99$139.99
Delivery
Get it by Saturday, Jul 26
Get it by Monday, Jul 28
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Get it by Saturday, Jul 26
Get it by Saturday, Jul 26
Get it by Saturday, Jul 26
Customer ratings
4.44.4 out of 5 stars291
3.93.9 out of 5 stars58
3.83.8 out of 5 stars88
4.54.5 out of 5 stars36
4.24.2 out of 5 stars969
4.74.7 out of 5 stars614
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Customer reviews

4.4 out of 5 stars
291 global ratings

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Top reviews from Canada

  • Argamas
    5.0 out of 5 stars Perfect fit to listen to vinyl records with headphones.
    Reviewed in Canada on May 10, 2025
    Verified Purchase
    I purchased this as a Christmas gift for my brother, who listens to a lot of vinyl records with headphones. He has good turntables, really good cartridges and a decent amplifier. Unsurprisingly, he prefers to use this with his headphones now.
    Helpful
     Report
  • Jimmy Quinones
    5.0 out of 5 stars Exceeded my expectations.
    Reviewed in Canada on April 11, 2024
    Verified Purchase
    To be honest, my expectations were pretty low. I wasn't expecting much for the price, but I believe it's worth it. The sound is very clear and clean. I was amazed by this product. Now, I can enjoy my records in my office using my headphones without disturbing other people in my house. It's totally recommended.
    One person found this helpful
    Helpful
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  • Beau
    5.0 out of 5 stars Good quality
    Reviewed in Canada on June 24, 2024
    Verified Purchase
    Nice little RIAA preamp for my turntable. Works well, exactly as it is supposed to do. Good sound quality on my current audio setup.
    Helpful
     Report
  • Jorge
    5.0 out of 5 stars Pleasant sound, low noise, great looks.
    Reviewed in Canada on January 15, 2024
    Verified Purchase
    This preamp was a great addition to my HiFi setup. It allowed me to connect my turntable to a non-phono input in my receiver which reduced the noise coming from the phono stage and produced a very pleasant sound.
    Helpful
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  • Benoit Brunelle
    1.0 out of 5 stars Piece of junk!
    Reviewed in Canada on June 18, 2024
    Verified Purchase
    Aucun son ne sort, seulement de la distortion et ce même a bas volume. J'ai reçu un produit défectueux? La boîte était a moitié ouverte!! Retour immédiat
    One person found this helpful
    Helpful
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  • Allan
    2.0 out of 5 stars Distortion, distortion
    Reviewed in Canada on December 25, 2022
    Verified Purchase
    Loud distortion and breakup of sound. I have it plugged into a professional digital piano, not a phone or stereo, this is a high quality sound source. Obvious loud hiss at low and moderate volume. Sound breaks up at low volume. How did this get a high review. Its not even passable, and I am not assessing it from audiophile level, just distortion any person not into music questions, as they did. Mom is like why does it sound fuzzy. I would have to press the keys very gently at low to mid volume to get a clean sound, but even then there is hint of fuzz and the hiss goes on and on like some old amp.
    The box also had no seal.
    I would move on, I'm returning this and looking at the fiio mk10, about 110, hope it has more reliable customer experiences.

    Yeah, not even passable.
    3 people found this helpful
    Helpful
     Report
  • vlbigomi
    5.0 out of 5 stars Peut être utilisé à la fois comme préamplificateur phono et amplificateur de casque audio stéréo.
    Reviewed in Canada on May 15, 2022
    Verified Purchase
    Plusieurs appareils de ce type peuvent servir soit comme préamplificateur phono ou soit comme amplificateur de casque audio stéréo mais pas nécessairement les deux fonctions dans le même appareil.
    Le Mini 5654 peut faire les deux d'excellente façon et à bon prix.
    One person found this helpful
    Helpful
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Top reviews from other countries

Translate all reviews to English
  • Victor Salas
    5.0 out of 5 stars Hearing is definitely believing!
    Reviewed in the United States on April 25, 2024
    Verified Purchase
    I’ve been collecting records for almost twenty years and using varying degrees of audio set ups, with nothing that ever blew me away completely (other than the first time I replaced a stock Audio Technica cartridge with a Shure M97x), since I usually just purchased cheap equipment that allowed me to simply play with the distinct sound of vinyl. After recently acquiring a Fluance record player (RT82), a pair of beyerdynamic headphones (DT 770 Pro - 250 ohms) and a set of Klipsch bookshelf speakers, my next mission was to dip my toes into the realm of the vacuum tube sound. The headphones were the main reason I was looking for a headphone amp, since I was unsure that my Sony DH190 2.0 phono receiver would be able to drive them properly (it does), and so I then almost purchased a Schiit headphone amp; I kept browsing 鶹 to see if anything else caught my eye (and was cheaper) before buying that.

    Ultimately, I decided to try this little guy first at half the price and hear for myself if it would be worth it to further travel down this vacuum tube glowy path. It has good looks, good reviews and an even more attractive price point, but I obviously wasn't sure if it would be worth it just to hear a difference (if any). My expectations were at the ceiling for this thing, since I read so many people praising it and the excellent sound it processes... Man, you really don’t know what you were missing until those little tubes warm up, plug in your headphones and play your favorite song. That one piece of music you’ve heard a million times before and listen in it, for the first time ever, a wave of detail, preciseness and clarity. That moment was awesome, perfect and brought excitement back to my record collecting. It's almost as if the tubes bring out that detail and fill in the blanks of whatever was missing in voices and instrumentation due to equipment. Is it a placebo effect? Maybe, but it felt so good that it made me spent a few hours listening to different records and it also brought me here to write this review.

    To say that it blew my mind is an understatement. Fair warning that this review is coming from a budget conscious audiophile that is always trying to find the best bang for my buck, so it’s obvious that there are probably thousands of better (and more expensive) audio listening configurations. I feel that if you're in a similar situation, this is an absolute must (small) investment to your record playing experience. It immediately felt like it was the missing piece to my set up and I am hoping that the beautiful exterior quality build matches the inside and that it will allow me to enjoy it for some years at least. Every component in the preamp feels sturdy, high quality and that it was made to make it better and produce higher quality audio. I was also able to connect my Sony receiver to it and the sound coming out of the speakers sounds unbelievable as well. The only knock down I have for it is that the tubes are a bit hard to install and to remove, it always feels like they are a squeeze away from breaking, but that really has nothing to do with the amp and more generalized vacuum tube issues.

    In all, I probably would have been fine if I had never purchased this, but I am so glad I did, because now it feels like it's an essential part of my record playing experience. I wonder how I went so many years without something like this. It seems that Douk is doing something special with audio equipment for the budget minded and I am glad that they are doing an awesome job at it.
    Customer image
    Victor Salas
    5.0 out of 5 stars
    Hearing is definitely believing!

    Reviewed in the United States on April 25, 2024
    I’ve been collecting records for almost twenty years and using varying degrees of audio set ups, with nothing that ever blew me away completely (other than the first time I replaced a stock Audio Technica cartridge with a Shure M97x), since I usually just purchased cheap equipment that allowed me to simply play with the distinct sound of vinyl. After recently acquiring a Fluance record player (RT82), a pair of beyerdynamic headphones (DT 770 Pro - 250 ohms) and a set of Klipsch bookshelf speakers, my next mission was to dip my toes into the realm of the vacuum tube sound. The headphones were the main reason I was looking for a headphone amp, since I was unsure that my Sony DH190 2.0 phono receiver would be able to drive them properly (it does), and so I then almost purchased a Schiit headphone amp; I kept browsing 鶹 to see if anything else caught my eye (and was cheaper) before buying that.

    Ultimately, I decided to try this little guy first at half the price and hear for myself if it would be worth it to further travel down this vacuum tube glowy path. It has good looks, good reviews and an even more attractive price point, but I obviously wasn't sure if it would be worth it just to hear a difference (if any). My expectations were at the ceiling for this thing, since I read so many people praising it and the excellent sound it processes... Man, you really don’t know what you were missing until those little tubes warm up, plug in your headphones and play your favorite song. That one piece of music you’ve heard a million times before and listen in it, for the first time ever, a wave of detail, preciseness and clarity. That moment was awesome, perfect and brought excitement back to my record collecting. It's almost as if the tubes bring out that detail and fill in the blanks of whatever was missing in voices and instrumentation due to equipment. Is it a placebo effect? Maybe, but it felt so good that it made me spent a few hours listening to different records and it also brought me here to write this review.

    To say that it blew my mind is an understatement. Fair warning that this review is coming from a budget conscious audiophile that is always trying to find the best bang for my buck, so it’s obvious that there are probably thousands of better (and more expensive) audio listening configurations. I feel that if you're in a similar situation, this is an absolute must (small) investment to your record playing experience. It immediately felt like it was the missing piece to my set up and I am hoping that the beautiful exterior quality build matches the inside and that it will allow me to enjoy it for some years at least. Every component in the preamp feels sturdy, high quality and that it was made to make it better and produce higher quality audio. I was also able to connect my Sony receiver to it and the sound coming out of the speakers sounds unbelievable as well. The only knock down I have for it is that the tubes are a bit hard to install and to remove, it always feels like they are a squeeze away from breaking, but that really has nothing to do with the amp and more generalized vacuum tube issues.

    In all, I probably would have been fine if I had never purchased this, but I am so glad I did, because now it feels like it's an essential part of my record playing experience. I wonder how I went so many years without something like this. It seems that Douk is doing something special with audio equipment for the budget minded and I am glad that they are doing an awesome job at it.
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  • J.P.
    5.0 out of 5 stars Excellent sounding phono preamp without having to spend big bucks.
    Reviewed in India on June 22, 2025
    Verified Purchase
    Excellent sounding preamp. Clear transparent & balanced sound with a bit of added warmth from the tubes. I'm using it with an old Yamaha turntable from the 80's and it sounds fantastic. I mainly got it because I wanted to be able to control the turntable's volume but as it turns out it is a big improvement sound-wise over the onboard phono preamp which I have now bypassed. Very sturdy & well finished as well. I could have done without the blue LED's under the tubes, but that small quibble aside.....Highly recommended!
    Report
  • Ryan Kershow
    5.0 out of 5 stars Perfect for augmenting PC audio output
    Reviewed in the United States on October 29, 2022
    Verified Purchase
    I have a pair of Audio Technica monitors. Smooth as butter. My computer was not strong enough to maximize the decibel range of the set, nor the quality + depth. I've heard that tube amps provide that warmth that audio enthusiasts have applauded for decades. I pulled the trigger, bought this, and couldn't be happier. An amazingly affordable option, and exactly what I hoped for, this amp is tiny and powerful. You can even get some higher quality tube replacements.

    I've read that new tubes need to be broken in, while other people seem to say that's not necessary. Just a thought. Tubes do take 10-30 min to warm up for optimal use, however. When it comes to general use, there's always "background noise" like a low rushing of wind, which I assume is standard? It's very quiet. When nothing is playing i can hear the signal switch out and that background noise gets louder. Nifty. Calming. Not sure, nor does it really matter, but that means either the computer or the amp is responding to the output signal generation.

    When using the direct input from computer to preamp, i set the amp knob indicator to the beginning of the volume gradient, which is about 50% of the available knob range. On the computer, I set to only 2/100 usually, sometimes up to 4. Exceeding this level on the computer seems to warp the information in the signal, making it a garbled mess. Even on the lowest volume on the preamp, the warping effects will be present. This is the balance/dance between devices/sources with which the world of audio engineering eternally struggles.

    It was a great learning experience. Thank you, Douk Audio, for a great product!
    Report
  • Francisco
    5.0 out of 5 stars Preamplificador premium
    Reviewed in Mexico on June 8, 2024
    Verified Purchase
    Se escucha con excelente claridad y calidez. Se distingue con facilidad los distintos instrumentos en cada melodía. Altamente recomendable para darle un plus a tu tornaimesa. Lo conecté a un Onkyo TX8220 para la señal de un tornamesa Sony PS-LX100 con extraordinarios resultados. 100% calidad por el precio. Es un pequeño gigante...

    Agregado. Este pequeño Preamplificador cuenta con la opción de conectar mediante un plus 3.5 mm una entrada auxiliar con preferencia a la salida del tornamesa. Esta opción permite modular y darle calidez al sonido que conectes... El sonido sale a un volumen equilibrado el resto le corresponde al amplificador que conectes...
    Customer image
    Francisco
    5.0 out of 5 stars
    Preamplificador premium

    Reviewed in Mexico on June 8, 2024
    Se escucha con excelente claridad y calidez. Se distingue con facilidad los distintos instrumentos en cada melodía. Altamente recomendable para darle un plus a tu tornaimesa. Lo conecté a un Onkyo TX8220 para la señal de un tornamesa Sony PS-LX100 con extraordinarios resultados. 100% calidad por el precio. Es un pequeño gigante...

    Agregado. Este pequeño Preamplificador cuenta con la opción de conectar mediante un plus 3.5 mm una entrada auxiliar con preferencia a la salida del tornamesa. Esta opción permite modular y darle calidez al sonido que conectes... El sonido sale a un volumen equilibrado el resto le corresponde al amplificador que conectes...
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  • Daryl
    5.0 out of 5 stars The missing piece
    Reviewed in the United States on May 4, 2025
    Verified Purchase
    Just wow! I’ve read around many audiophile forums and so many people say getting a tube preamp is essential to the tonal quality of vinyl.

    That said I am not one of those thousands of dollars in equipment. I have the cheaper audio technica table and a pair of edifier speakers. So it’s a very modest setup. Seeing this at its price point and reviews I decided let’s try it.

    Adding this tube preamp adds a sonic quality that’s hard to really convey in words. Using this instead of the built in preamp of the audio technica, one drives the speakers harder if I desire. But the audio quality seems more “alive”. Again hard to really describe in words. I just remember as a kid my mother blasting sabbath and zeppelin records and it sounded so much better than what I was getting with my old setup. This was the missing piece and here I am with a much smaller footprint getting the same if not better tonal quality.

    As for the unit itself seems pretty well built and the volume knob has a good feel to it. Connecting it takes seconds and it looks cool with the blue under lighting if the tubes.
    Report