HiFi Bluetooth online 5.0 Power sale Amplifier Class D Stereo Desktop Audio Amp 300W+300W online

HiFi Bluetooth online 5.0 Power sale Amplifier Class D Stereo Desktop Audio Amp 300W+300W online

HiFi Bluetooth online 5.0 Power sale Amplifier Class D Stereo Desktop Audio Amp 300W+300W online
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Nobsound TPA3255 Nobsound NS-15G Douk Audio M1 PRO Douk Audio G3 Nobsound NS-01G PRO Douk Audio SE
Feature 2-CH Bluetooth amplifier; Super large 600W power 2-CH Bluetooth amplifier; 200W; Tone control 2-CH Bluetooth amplifier; 320W high power; U-Disk; Tone control 2-CH Bluetooth amplifier; 100W; Tone control Bluetooth stereo amplifier; USB sound card; 100W 2-CH Bluetooth amplifier; 100W; TF & U-Disk
Nobsound NS-13G Nobsound G2 PRO Douk Audio T3 PRO Douk Audio U2 Douk Audio X1 Douk Audio EleksTube
Feature 2-CH digital power amplifier; 200W; Tone control SUB & Mono power amplifier; 300W high power Vacuum tube audio preamp & MM phono preamp USB to Toslink optical & coaxial converter; Digital interface; XMOS XU208 2-CH Bluetooth vacuum tube amplifier; MM Phono amp; 320W; Tone cnotrol Retro Nixie tube clock; IPS Screen; Impressive display effect

300W x 2 High Power with Tone Control

Bluetooth 5.0 High Quality Transmission

Support Stereo RCA Input

Bulit-In Large Power Supply with AC 100-240V Input

Output Power

  • 315W / 4Ω, 10% distortion
  • 185W / 8Ω, 10% distortion
  • 260W / 4Ω, 1% distortion
  • 150W / 8Ω, 1% distortion
Packing List

  • 1*Digital Amplifier
  • 1*Power Cord

Nobsound TPA3255

Parameters

  • Audio input: Bluetooth / stereo RCA
  • Audio output: banana speaker jacks
  • Speaker impedance: 4-8Ω
  • Amplifier class: class D
  • Quiescent current: 60mA
  • Work efficiency: > 90%
  • Frequency response: 20Hz-20KHz
  • Dynamic range: >100 dB
  • Signal to noise ratio: >111dB
  • Working voltage: AC 100-240V

Warm Tip

  • Bluetooth input with priority. Please make sure the Bluetooth is disconnected when using line input

Features & details

Features

  • With stereo RCA and wireless Bluetooth input, supporting iPod, Phone, MP3 players, TV, MP3, CD players, laptop, desktop computer or other devices input. Adopting QCC3003 Bluetooth chip that has strong compatibility with much Bluetooth devices to achieve lossless transmission.
  • Super large output power that can reach 300W +300W, easily to drive large passive speakers, matched very well with outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers.
  • With tone control, treble, mid and bass can be adjusted independently to provide much delicate sound that suits different listening style, and a bypass switch(treble knob) is specially designed to turn on/off the tone control to enjoy original sound, adding much fun and higher playability.
  • High quality components are used to ensure HiFi sound and long time stable work. Built-in large power high-efficiency switching power supply, AC 100-240V working voltage for global use.
  • High-precision chip resistors for better signal-to-noise ratio. Special inductance for audio to ensure clear and powerful sound. Pure aluminum chassis and fine process, with good heat dissipation.

Product information

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

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Q: how many wpc on 2 8 ohm speakers

A: Hello.
315W / 4Ω, 10% distortion
185W / 8Ω, 10% distortion …

Seller DoukAudio | 3 months ago

Q: is there an online manual for this amp? I read in the specs that "make sure bluetooth is …

A: Hello. You need to disconnect the Bluetooth from your phone or computer.

Seller DoukAudio | 3 months ago

Q: So in reality this mini amp really puts out around 150 watts per channel in 8 ohms is this…

A: Hello. Yes, 150W / 8Ω, 1% distortion. Please note it is peak power.

Seller DoukAudio | 3 months ago

Q: Why do some reviews say when you turn on the tone controls the volume of the unit drops..n…

A: It seems to have a default tone, but once you turn the high frequency knob up it triggers …

Amazon Customer | 5 months ago

Customer reviews

3.8 out of 53.8 out of 5
24 global ratings

Top reviews from the United States

Joe
5.0 out of 5 starsVerified PurchaseEarly Reviewer Rewards
Worth every penny ordered a second
Reviewed in the United States on November 28, 2020
First I need to mention that I am a >60 year old audio nut and have been one since my early teens. Just ask my wife! For the price this amp is amazing. Quiet and powerful. Not sure it’s 240 watts (at 1%THD) but it does have plenty of power. I am not... See more
First I need to mention that I am a >60 year old audio nut and have been one since my early teens. Just ask my wife!

For the price this amp is amazing. Quiet and powerful. Not sure it’s 240 watts (at 1%THD) but it does have plenty of power.

I am not sure of the tone controls and when they are off if it is truly a flat response (+/-3dB). Will measure and update.

Bluetooth is flawless.

No problems with set up or operation. I really like the built in power supply. Most Class D amps require a separate power supply which can be $30 or more.

The 450 KHz class D amplifier carrier is present on the output. I will perform some measurements and update.

I tested it at high power levels for long periods and it runs very cool. Typical of a class D amp.
I have tested the channel protections and they work well.

Only gripe is the speaker terminals are not high quality......but again..........it cost $107!!!!!!

In a nutshell - if you need a cheap, small and powerful amplifier........buy it.
I ordered a second on the day the first one arrived after some testing.

Enjoy it, it is truly a bargain.
Joe
6 people found this helpful
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Amazon Customer
5.0 out of 5 starsVerified Purchase
Budget Class D Amplification Redefined
Reviewed in the United States on November 9, 2020
Finally found a budget, compact and powerful amp that makes my Wharfedale Denton 80th Anniversary speakers come alive! I played music for well over 2 hours at mid or higher volume levels with little to no listener fatigue, which is a little surprising considering it''s an... See more
Finally found a budget, compact and powerful amp that makes my Wharfedale Denton 80th Anniversary speakers come alive! I played music for well over 2 hours at mid or higher volume levels with little to no listener fatigue, which is a little surprising considering it''s an economical Class D amp. No hiss, hum, or power on/off pops/thumps. The Denton''s aren''t exactly efficient but this Nobsound unit had no problems driving them with the volume knob rarely being turned up past the noon position. My source was a xDuoo X3 playing a mix of DSD, Flac, and MP3 files and all types of music except rap or hip-hop. I haven''t evaluated any Bluetooth sources yet. Excellent tight and authoritative bass, airy precise highs and a lively presence, excellent detail with a decently appropriated sound stage. I''ve had several Class D amps but nothing that could touch this one in terms of sonic integrity and output levels. It doesn''t even get warm so I wouldn''t be concerned with stacking if you have a little clearance between components. I''m going to add a Dayton Audio passive subwoofer powered by a dedicated Nobsound mini amp to round out and reinforce the lower audio spectrum. The low/mid/high tone controls really help make a difference in customizing how the sound plays. That feature along with the higher wattage output and cleaner sound sets this amp apart from all the rest in this price range. Highly recommended if you have decent speakers and a clean source for the input.

**** NOTICE ****
If it''s still out of stock here you can get it from aliexpress. Just search "Nobsound HiFi 300W+300W Bluetooth 5.0" and it should bring up the silver version as the 1st result. Good luck!
5 people found this helpful
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troy
5.0 out of 5 starsVerified Purchase
Amazing little amplifier
Reviewed in the United States on June 24, 2021
I''ve tried most of these mini class d amps (including the Fosi BT20a) and this one tops them all. I got it the same day I ordered it and it comes with a simple unprinted box with foam protection. It has a 3 knob equalizer for really fine tuning your audio and it sounds... See more
I''ve tried most of these mini class d amps (including the Fosi BT20a) and this one tops them all. I got it the same day I ordered it and it comes with a simple unprinted box with foam protection. It has a 3 knob equalizer for really fine tuning your audio and it sounds phenomenal. This amp is on the larger side probably a tiny bit bigger than your standard bible. The blue tooth connects quickly and I was jamming in no time. I had no distortion at full volume but it tripped my circuit protection on one of my Bic America 325 watt towers at full volume after a little while with it''s power. I''m a bass hound and this one delivers the goods. I would order a second one but my mini ZK1002T gives this a run for its money if I have any issues later. I am using this as a regular old school 2 speaker sound system with a Bic Formula F-12 active subwoofer wired in parallel. I am sort of bummed now as my search for great sound on my budget is complete. These amps are like little inexpensive presents and fun when they arrive to test. I''ve completely replaced my vintage Pioneer system and could not be happier. I hope this review helps as there is not a lot on this mighty little beast.
Update: Had to return unit as it was triggering my crossover protection on my left tower speaker at medium volume. This amp is powerful but after further listening the ZK1002T still sounded better and needed a little more on the volume knob to reach the same level as this amp. This amp sounds great but couldn''t seem to get the mids lowered even with it''s mid pot. I like my sound with an EQ as a slight V and the ZK has that without an EQ. I am no audiophile but I like deep bass and crisp highs and the least expensive amp on the big A delivers that.
One person found this helpful
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Chase
5.0 out of 5 starsVerified Purchase
Pretty Neat.
Reviewed in the United States on March 6, 2021
I just recently purchased a couple of Boston Acoustics A-26 bookshelf speakers used on the internet for 60 bucks. At home I already had a small 100 watt x2 BT amp that I was using for some audio exciters that I had bought years ago. The amp I had at home was clearly... See more
I just recently purchased a couple of Boston Acoustics A-26 bookshelf speakers used on the internet for 60 bucks. At home I already had a small 100 watt x2 BT amp that I was using for some audio exciters that I had bought years ago. The amp I had at home was clearly underpowered, and when I bought this one it was more than obvious, the sound was so much louder at lower volumes as well as more robust. From what I could gather on the internet the speakers are 150 watts rms per so I tried to get as close to that number as possible by two without spending an enormous amount of money. I ended up with this little guy. I normally don’t post reviews so soon but I like this so far. And as an added bonus I can connect it to my motherboard via Bluetooth and watch YouTube videos and Movies on prime through the bookshelf speakers from my computer in my bedroom.
One person found this helpful
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Jim W
5.0 out of 5 starsVerified Purchase
So far I like it...
Reviewed in the United States on November 4, 2020
Unboxing there were zero instruction sheet/booklet. It came in a plain brown box with foam padding surrounding it. Easy to figure out however. Not much information on line about this unit but specs looked amazing. It seems it is offered more overseas than US. There is a QC... See more
Unboxing there were zero instruction sheet/booklet. It came in a plain brown box with foam padding surrounding it. Easy to figure out however. Not much information on line about this unit but specs looked amazing. It seems it is offered more overseas than US. There is a QC sticker on the bottom of the unit but not a certified label or UL, etc...
As far as features I definitely like that the power supply is built in, no brick here which is more like a home audio device. AC cord is of the thicker, round cord style which I prefer. Treble mid and bass controls are nice to have but once activated lessens some power or sound levels. I am keeping them off since I use the BT and my EQ app on my phone. I’m using this to power deck speakers which aren’t too efficient but sound-wise the amp is quiet and dynamic range and S/N ratio corresponds to the specs based on my ears. Full sound, great treble with clear cymbals and accurate sounding bass. Again this is with tone controls switched off on the unit. I listen to more classic rock. Impressed with the BT range. I can move all around my backyard and the unit is indoors in the living room. Amazing range for me. The unit is supposed to have the TPA3255 mp chip along with some nicer components. So far it doesn’t disappoint but will update if necessary as some of these mini amps seem to crap out within a couple of years.
2 people found this helpful
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J. Poling
1.0 out of 5 starsVerified Purchase
I cannot understand the Good Reviews
Reviewed in the United States on August 3, 2021
I purchased a Douk M1 Pro and was very impressed. Great sound. But, I wanted a little more power so I ordered this basic little 300w x 2. The sound quality was terrible. Distorted, muffled, crackly. And, if it really delivers 300w x 2 (nearly Twice the M1 Pro) the audio... See more
I purchased a Douk M1 Pro and was very impressed. Great sound. But, I wanted a little more power so I ordered this basic little 300w x 2. The sound quality was terrible. Distorted, muffled, crackly. And, if it really delivers 300w x 2 (nearly Twice the M1 Pro) the audio volume is about 25% of the 160w 2 M1 Pro. Whoever wrote the great reviews did not have the same product that I did, or they were motivated.
differently, or a small selected subset of the total reviews. Although I cannot overstate how bad the audio was, it is well packaged and the Bluetooth has great range. I returned this amp the day I received it.
One person found this helpful
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Jason Roberts
5.0 out of 5 starsVerified PurchaseEarly Reviewer Rewards
Off switch for trouble.
Reviewed in the United States on December 19, 2020
I hooked it up to some b&w dm 602 speakers to test it out. If to compare this class D to a class A amp. Big difference. My Marantz 2265 witch is only 65 watts per channel. Smokes this thing. It’s is closer to my Marantz 2220 witch is about 35watts per channel. I would love... See more
I hooked it up to some b&w dm 602 speakers to test it out. If to compare this class D to a class A amp. Big difference. My Marantz 2265 witch is only 65 watts per channel. Smokes this thing. It’s is closer to my Marantz 2220 witch is about 35watts per channel. I would love to see Wilson Audio test this unit out.
It does sound really good. I got it for my girlfriend’s house she doesn’t have a stereo. She loves it and Bluetooth sound is good and easy to hook up. The trouble off switch I believe is to save the tweeters in case you have a pop when you turn on. We have not had any problems with the unit so far.
3 people found this helpful
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Hiroyuki Ikezi
2.0 out of 5 starsVerified Purchase
This amplifier can not drive 4 ohm speakers
Reviewed in the United States on May 7, 2021
I purchased two of these amplifiers to power Apogee Duetta ( a pair of planer speakers having impedance of 4 ohms ). This 300+300 watts rated amplifiers can not drive 4 ohm speakers at moderate sound levels. Low frequencies are missing and the sounds are distorted easily. I... See more
I purchased two of these amplifiers to power Apogee Duetta ( a pair of planer speakers having impedance of 4 ohms ). This 300+300 watts rated amplifiers can not drive 4 ohm speakers at moderate sound levels. Low frequencies are missing and the sounds are distorted easily. I am currently using Dayton APA150 power amplifiers, which are rated 150 watts. They work perfectly with Apogee Duetta by making ample of sound levels. I wanted to save electricity consumption by using high efficiency digital amplifiers because I use my sound system for long hours everyday. I put two stars because Amazon hides one star review.
2 people found this helpful
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Top reviews from other countries

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Raymundo Cordoba Lopez
4.0 out of 5 starsVerified Purchase
Buen amp clase D
Reviewed in Mexico on September 21, 2021
Definitivamente no esperaba esta clase de desempeño de este pequeño amplificador clase D. Muy grata sorpresa. Sin problema alimenta fácilmente mis bocinas de torre de 250W
Definitivamente no esperaba esta clase de desempeño de este pequeño amplificador clase D. Muy grata sorpresa. Sin problema alimenta fácilmente mis bocinas de torre de 250W
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