Mini Bluetooth 5.0 Vacuum Tube Preamp 2021 HiFi popular USB Player Stereo Audio Headphone Amp sale

Mini Bluetooth 5.0 Vacuum Tube Preamp 2021 HiFi popular USB Player Stereo Audio Headphone Amp sale

Mini Bluetooth 5.0 Vacuum Tube Preamp 2021 HiFi popular USB Player Stereo Audio Headphone Amp sale
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Bluetooth Preamplifier (Receiver)

  • Bluetoith 5.0 can ensure high quality transmission and stability

Digital Player & Headphone Amp

  • With TF & USB inputs. As a digital player, it can play MP3 and other lossless format such as APE, FLAC, WAV, WMA diretly
  • With headphone output. RCA and 3.5mm headphone jack can output at the same time

Vacuum Tube

  • Default 2*6K4 tubes
  • Can be directly replaced by 6J1/6J4/GE5654/6AK5/6*1n
  • Sound is warm and sweet, full and mellow, much softer and more listenable

Tone Control

  • With independent BASS / MID / TREBLE control
  • Use NE5532 op amp for tone control. The op amp can also be replaced directly

Operation Keys & Indicators

  • Multi-functional keys can achieve PREV / NEXT songs, VOL + / -, Play / Pause .etc
  • With RCA / BT / USB / TF inputs indicators

Gold-Plated Terminals

  • All terminals are gold plated to ensure high conductivity and durability

Upgrade DC Connector

  • Upgrade DC connector with no sparks issue. Safe and solod.
  • Equipped with high quality DC12V power adapter

Remote Control

  • Multi-functional remote can achieve PREV / NEXT songs, VOL + / -, Play / Pause, Input modes switch .etc

Douk Audio P2

Packing List
  • 1 x P2 Preamp
  • 2 x 6K4 Tube
  • 1 x DC12V Power Adaptor
  • 1 x Remote Control
  • 1 x Bluetootn Antenna
  • 1 x Manual

Parameters

  • Tube model: 6K4*2
  • Frequency Response: ±3dB (20Hz-20KHz)
  • Treble/Mid/Bass range: ±6dB
  • Input sensitivity: 0.775V
  • THD: 0.05%
  • SNR: ≥98dB
  • Headphone Output Power: 100mW/32Ω
  • Matched headphone impedance: 16-64Ω
  • Working voltage: DC 12V

  • Audio input: Bluetooth/Stereo RCA/U-disk/TF Card
  • Audio output: Stereo RCA / 3.5mm headphone jack
  • Supported formats of U-disk and TF Card: MP3 / WMA / APE / FLAC / WAV
  • Max storage of U-disk: 32G
  • Max storage of TF card: 32G
  • Dimensions(W*D*H): 115*128*33mm / 4.53*5.04*1.30in
  • Net weight: 420g / 0.93lb
  • Package weight: 700g / 1.54lb

Panel Introduction

Douk Audio P2 Douk Audio P1 Nobsound NS-10P Nobsound T3 Douk Audio T3 PRO Little Bear T7
Type Bluetooth Tube Preamp + Headphone Amplifier Bluetooth Tube Preamp + Headphone Amplifier Vacuum Tube Preamplifier MM Phono Preamplifier MM Phono Tube Preamplifier MM Phono Tube Preamplifier
Input Bluetooth 5.0 + RCA + U-disk + TF card Bluetooth 5.0 (APTX-HD) + RCA + PC-USB 3.5mm AUX MM Phono MM Phono + 3.5mm AUX MM Phono + 3.5mm AUX
Output Active Speaker + Amplifier + Headphone Active Speaker + Amplifier + Headphone Active Speaker + Amplifier Active Speaker + Amplifier Active Speaker + Amplifier Active Speaker + Amplifier
Tone Control
THD ≤0.05% ≤0.01% ≤0.05% ≤0.1% ≤0.1% <0.05%
SNR ≥98dB ≥103dB ≥110dB ≥98dB ≥98dB ≥96dB
Nobsound NS-08E Douk Audio U3 Douk Audio M1 PRO Douk Audio X1 Nobsound NS-04G PRO Douk Audio L1
Type Vacuum Tube Headphone Amplifier Class A Headphone Amplifier Bluetooth 5.0 Stereo Power Amplifier (320W) Bluetooth 5.0 Vacuum Tube MM Phono Amplifier (320W) Stereo Digital Power Amplifier (200W) Stereo Line Level Booster

Features & details

Features

  • Multiple audio inputs: with Bluetooth/RCA/U-disk/TF card inputs, can be perfectly compatible with iPod, Phone, MP3, TV, CD players, laptop, desktop computer or other streaming media players etc., satisfy most requirements of common home audio system use.
  • ① Tube preamp: connected between audio source and amplifier or active speaker to greatly improve the sound quality. ② Headphone amplifier, convenient to listen to lossless music alone or at night. The RCA and 3.5mm headphone jack can output at the same time to meet more needs. ③ Digital player: with U-disk and TF card inputs.
  • HiFi clear sound with tone control and reasonable circuit layout. Adopting vacuum tubes design to filter out the digital sounds of common sound sources, making the sound warm and sweet, full and mellow, much softer and more listenable.
  • Using NE5532 op amp for tone control, treble/mid/bass can be adjusted separately, easy to adjust more delicate sounds of different styles. Pluggable op amp socket design, easy to change other op amps to enjoy different sounds.
  • Mini size and exquisite appearance, black aluminum case make it more fashionable and powerful. With power/input mode indicators to clearly show the working status in real time, and full-function remote control makes the operation much easier, very suitable for home and desktop audio system use.

Product information

Product Warranty: For warranty information about this product, please click here
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Customer Questions

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Q: Whats the difference between the p1 and p2 hifi tube preamp from douk audio?

A: The P1 has a convenient manual volume control knob on top, no remote control, P2 has a rem…

Audiophile Cleveland | 10 months ago

Q: Can this be used as a phono preamp for turntables?

A: No, it has line RCA inputs only. it does not have an MM or MC input, which would have high…

Audiophile Cleveland | 10 months ago

Q: Can it connect to Bluetooth speakers?

A: Just looked at it and I don''t believe you can. Only options is Stereo RCA or the 3.5mm hea…

SteveL | 11 months ago

Q: Are the line level outputs for connection to another preamp? In other words can this be us…

A: Hello. It can do that if you want. But it is already a preamp. We don''t think two preamps …

Seller DoukAudio | 11 months ago

Customer reviews

4.1 out of 54.1 out of 5
34 global ratings

Top reviews from the United States

SteveL
4.0 out of 5 starsVerified Purchase
Sounds Great!
Reviewed in the United States on October 2, 2020
Was skeptical about buying this with no reviews but gave it a shot. Sounds really good and the Bluetooth connection to my iPhone is solid. It is a bit noisy/static/crackly when first turned on for a minute or so but it may be a weak tube thing, but after it warms up its... See more
Was skeptical about buying this with no reviews but gave it a shot. Sounds really good and the Bluetooth connection to my iPhone is solid. It is a bit noisy/static/crackly when first turned on for a minute or so but it may be a weak tube thing, but after it warms up its rock solid. If it holds up I''ll get better quality tubes for it. The only negative thing, and I knew this beforehand, is the lack of a volume knob but the pushbuttons and remote work just fine, just hope they hold up. Tested some mp3''s on a flash drive and it worked without issue. Very happy with the purchase and may try some of the other Douk products. I''ll update after a week or two to see if everything works out.
6 people found this helpful
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Joe s.
1.0 out of 5 starsVerified Purchase
Do not buy this !!! Speaker protectors are a good investment
Reviewed in the United States on January 4, 2021
Volume button on remote either did nothing or went to 11 in one click bluetooth took 1 try once at least ten tries on average, 2 hours once also ,then with the remote problems you basically have to stand in front of box cause if bluetooth decided to connect the volume... See more
Volume button on remote either did nothing or went to 11 in one click bluetooth took 1 try once at least ten tries on average, 2 hours once also ,then with the remote problems you basically have to stand in front of box cause if bluetooth decided to connect the volume might be turned down or all the way up cant tell no volume meters .luckily I purchased new resistors with this thing and hopefully they did their job. On the bright side delivered Xmas eve fuel to holiday told seller day after holiday about problem.s week later the solution is for me to purchase a Udisk to download a file to re something this thing .guess it''s easier then exchanging this defective one for a working one . Sounded terrible at first so let it run 24 hours changing music styles to break in started to sound pretty good .when I decided to turn volume up on my amplifiers and the source and control the volume with the preamp after all it''s why I purchased it ,and the bluetooth .
2 people found this helpful
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gary
5.0 out of 5 starsVerified PurchaseEarly Reviewer Rewards
Outstanding Tube Pre Amp
Reviewed in the United States on December 11, 2020
This is a fantastic sounding pre amp. I am very happy with this as a headphone amp and can use is as an aux input for my main amp and sounds beautiful, I did upgrade the tubes and that did make an improvement but it sounded great before with the included tubes. This unit is... See more
This is a fantastic sounding pre amp. I am very happy with this as a headphone amp and can use is as an aux input for my main amp and sounds beautiful, I did upgrade the tubes and that did make an improvement but it sounded great before with the included tubes. This unit is beautiful looking and very versatile, the only thing is be careful sd
receptacle is not perfect aligned and inserting sd cards is possible the card can fall inside the unit. I also wish it had a master volume knob instead of only the remote control and buttons. All in all I am very happy with this unit and would not hesitate to recommend it!
2 people found this helpful
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mudkicker
5.0 out of 5 starsVerified Purchase
Blown away!
Reviewed in the United States on March 28, 2021
So I bought this to test out before adding to my main rig in my listening room. Not new to audiophelia, but new to Tube preamp/amplifers. I ran this for 3 months on stock tubes through a Fosi Audio Class D TPA3116 Mini Amplifier and kept thinking, it''s got body, but the... See more
So I bought this to test out before adding to my main rig in my listening room. Not new to audiophelia, but new to Tube preamp/amplifers. I ran this for 3 months on stock tubes through a Fosi Audio Class D TPA3116 Mini Amplifier and kept thinking, it''s got body, but the highs are definitely rolled off. Tonally it felt dull to say the least. Enter the world of quality tube preamps! I purchased a set of GE JAN 5654W tubes from here and holy cr@p! So for starters, I had to spread each pin open with a steak knife to fit these new tubes in their respective holders. That means the (6K4 tubes?) stock Russian tubes are using thinner leads. They are cheaper all around! What the new tubes did. Open the high end up and tighten the bass up. Also the mids present buttery and creamier than ever. Dream theatres "The Silent Man" has amazing imaging and these bring that out. They present a very holographic sound stage. Definitely opened the sound stage up! With the upgrade, easily the best sounding Preamp/BT DAC on the market. It will mix in well with the Technics SA-GX490 and ADS 5 band EQ.

Bluetooth 5.0 on this is phenomenal. Cant say anything bad about it at all. Stable, never drops out. Almost CD Quality with Amazon HD. This product keeps getting better.

I have all my CD''s on a 128GB flash drive. Everything is 16/1144 CD Quality .flac files. It did read them but stutters. Went back and read specs. Can only read HDD up to 32GB. So I''m figuring that to be the issue. Will update when I try with a smaller USB or Micro SD and update. Other than this. I''m blown away. This truly is an amazing piece!
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James
5.0 out of 5 starsVerified PurchaseEarly Reviewer Rewards
Versatile Preamp / Headphone amp / Media player
Reviewed in the United States on November 5, 2020
Useing this right now for playing music files through the TF card slot and listening to headphones , but plan to hookup to stereo receiver soon and roll some different tubes through it. This has remote control and it makes it easier to adjust volume and input, etc. Sound... See more
Useing this right now for playing music files through the TF card slot and listening to headphones , but plan to hookup to stereo receiver soon and roll some different tubes through it. This has remote control and it makes it easier to adjust volume and input, etc. Sound quality is quite good as is and I like that the opamp is in a socket [ I have some higher end ones I will try in future] All in all a nice unit and a bargain at the price.
2 people found this helpful
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Mario Rodriguez
3.0 out of 5 starsVerified Purchase
The item original box was sent inside a bubble warp bag, thus the box arrived a bit torn apart
Reviewed in the United States on April 10, 2021
Overall a beautiful piece of equipment, I bought it to add to an existing stereo set that has not volume remote control, but it did open up the soundstage quite a bit, particularly after the tubes were upgraded. it is still breaking in but, awesome performance. My only... See more
Overall a beautiful piece of equipment, I bought it to add to an existing stereo set that has not volume remote control, but it did open up the soundstage quite a bit, particularly after the tubes were upgraded. it is still breaking in but, awesome performance.
My only negative experiences are that the volume remote control is not very responsive unless it is right in front and a short distance from it, unfortunately, my listening chair is at about a 45-degree angle and 8 feet away.
There''s a constant clicking sound coming from the tubes, when listening to music from a DAC, there''s a delay in the begining of every track cutting the begining by a fraction of a second, nevertheless is very anoying.
One person found this helpful
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Dan L.
3.0 out of 5 starsVerified Purchase
I really wanted to like this Vacuum Tube preamp.
Reviewed in the United States on March 12, 2021
The Bluetooth connected with no problems. The Signal to noise was excellent. The sound quality was very good but kept getting drop outs when listening to people talking, could not really notice it on music but it was probably there. I have the AIYIMA Tube T9 version of... See more
The Bluetooth connected with no problems. The Signal to noise was excellent. The sound quality was very good but kept getting drop outs when listening to people talking, could not really notice it on music but it was probably there. I have the AIYIMA Tube T9 version of this and suffers the same issues as this. My biggest problem with both of them is using the RCA inputs, if the left input is not connected the sound from the right is cut off. I have spent hours of my time trying to figure this out on the AIYIMA thinking it was a solder joint issue or something. Then I bought this Unit and discovered it suffers the same flaws. I cannot recommend this preamp. I decide to purchase the FX Audio T03 and the AIYIMA A3 and they both work great. I thought they were both the same but they are not. I plan to review both of those at a later date.
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Mr. Man
5.0 out of 5 starsVerified Purchase
Great for tweaking Sound as a pre-amp
Reviewed in the United States on October 3, 2020
Have only owned this for a short time, but am really happy with it as a pre-amp for my turntable going into my receiver. Bluetooth and headphone features are a nice bonus.
2 people found this helpful
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