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Douk Audio Mini Bluetooth Amp, 100 watts Hi-Fi Digital Amplifier for Home Stereo Speakers with Treble/Bass Control, 3.5mm AUX Input (G3)
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Purchase options and add-ons
Item dimensions L x W x H | 4.2 x 3.4 x 1.2 inches |
Voltage | 240 Volts |
Manufacturer | Douk Audio |
Maximum Supply Voltage | 24 Volts (DC) |
Minimum Supply Voltage | 15 Volts (DC) |
About this item
- High Power Output: The Douk Audio G3 Mini features a TPA3116 chip that delivers a maximum output power of up to 100W. Despite its compact size, it can easily drive 3-8 inch home speakers with little heat and low distortion.
- Bluetooth 5.0 Connectivity: Enjoy faster transmission speeds, stable signals, and lower power consumption with Bluetooth 5.0. It’s compatible with 99% of mobile phones, computers, tablets, and other devices.
- Versatile Inputs: The amplifier supports both AUX input (via a standard 3.5mm interface) and Bluetooth. Connect your mobile phone, notebook, PC, PSP, CD player, and more.
- Clean and Delicate Sound: High-end components and a dedicated digital power amplifier circuit inductor ensure clean, dynamic sound. The 2*TL072 independent op amps allow customization for different listening styles and devices.
- Custom Sound with Independent Controls: Adjust treble and bass to your liking for a personalized listening experience.
- Elegant Design: The mini size, aluminum shell make the G3 Mini a fashionable addition to your home or desktop audio system.
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This Item ![]() Douk Audio Mini Bluetooth Amp, 100 watts Hi-Fi Digital Amplifier for Home Stereo Speakers with Treble/Bass Control, 3.5mm AUX Input (G3) | Recommendations | |||||
Try again! Added to Cart spCSRF_Treatment Add to cart | Try again! Added to Cart spCSRF_Treatment Add to cart | Try again! Added to Cart spCSRF_Treatment Add to cart | Try again! Added to Cart spCSRF_Treatment Add to cart | Try again! Added to Cart spCSRF_Treatment Add to cart | Try again! Added to Cart spCSRF_Treatment Add to cart | |
Price | $59.99$59.99 | $59.99$59.99 | -10% $19.78$19.78 Typical: $21.98 | -17% $149.99$149.99 List: $179.99 | -10% $89.99$89.99 Typical: $99.99 | -20% $63.99$63.99 Typical: $79.99 |
Delivery | Get it as soon as Sunday, May 11 | Get it as soon as Sunday, May 11 | Get it as soon as Sunday, May 11 | Get it as soon as Sunday, May 11 | Get it as soon as Sunday, May 11 | Get it as soon as Sunday, May 11 |
Customer Ratings | ||||||
Sold By | Douk Audio Direct | EXOTON | ARRAROWN | Fosi Audio | Yima Top | Fosi Audio |
number of channels | 2 | 2 | 2 | 2 | 2 | 2 |
voltage | 240 volts | 24 volts | 5 volts of direct current | 48 volts | 230 volts | 230 volts |
output power | 100 watts | 100 watts | 200 watts | 235 watts | — | 600 watts |
specification met | — | FCC | FCC | FCC | CE, FCC | FCC |
mounting type | Surface Mount | Surface Mount | Freestanding | Surface Mount | Tabletop mount | — |
From the brand

Douk Audio & Nobsound
Make Hi-Fi Affordable
-
Estabilshed in 2013, Douk Audio & Nobsound is created by a group of enthusiastic music fans and professional audio experts.
We design and make various audio equipments including amplifier, phono preamp, headphone amp, DAC, audio switch and so on.
Our aim is "Make Hi-Fi Affordable" !
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Bluetooth Amplifier
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Subwoofer & Mono Amplifier
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Phono Preamp & Amp
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Equalizer & Bluetooth Preamp
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Headphone Amp & Booster & DAC
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VU Meter Series
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Audio Switch & Mixer
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Nobsound Q4
USB Audio Gaming DAC & Bluetooth Headphone Amp
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Douk Audio H7 PRO
TPA3255 600W High Power Balanced Amp
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Douk Audio BSA600
230W Bridgeable Bass Shaker Amp
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Douk Audio T6PRO
300W x2 TPA3255 Bluetooth Tube Amp
Product Description
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Douk Audio G3
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Douk Audio G5
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Nobsound NS-15G
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Nobsound TPA3255
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Nobsound NS-13G
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Nobsound G2
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Add to Cart
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Customer Reviews |
4.2 out of 5 stars 559
|
4.2 out of 5 stars 185
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4.4 out of 5 stars 44
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3.5 out of 5 stars 32
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3.3 out of 5 stars 5
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4.6 out of 5 stars 686
|
Price | $59.99$59.99 | — no data | $69.99$69.99 | — no data | — no data | $59.99$59.99 |
Feature | 2-CH Bluetooth amplifier; 100W; Tone control | 2-CH Bluetooth amplifier; 100W; Pure sound experience | 2-CH Bluetooth amplifier; 200W; Tone control | 2-CH Bluetooth amplifier; Super large 600W power | 2-CH digital power amplifier; 200W; Tone control | Mono / Subwoofer amplifier; 100W; PBTL/BTL bridge |
Max Power | 50W x 2 | 50W x 2 | 100W x 2 | 300W x 2 | 100W x 2 | 100W |
Channel | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 1.0 |
Input | Bluetooth 5.0 + 3.5mm AUX | Bluetooth 5.0 + 3.5mm AUX | Bluetooth 5.0 + RCA | Bluetooth 5.0 + RCA | RCA | RCA |
Output | Stereo Passive Speakers | Stereo Passive Speakers | Stereo Passive Speakers | Stereo Passive Speakers | Stereo Passive Speakers | Mono Passive Speaker / Subwoofer |
Tone Control | ✓ | no data | ✓ | ✓ | ✓ | no data |
THD | ≤0.04% | ≤0.04% | ≤0.01% | ≤0.01% | ≤0.01% | ≤0.03% |
SNR | ≥98dB | ≥98dB | ≥98dB | ≥111dB | ≥98dB | ≥106dB |
Speaker Impedance | 2~8ohm | 2~8ohm | 4~8ohm | 4~8ohm | 4~8ohm | 2~8ohm |
Power Supply | 19V 4.74A | 19V 4.74A | 19V 4.74A | AC 100-240V | 19V 4.74A | 19V 4.74A |
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Douk Audio P1
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Douk Audio T3 PRO
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Nobsound NS-08E
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Douk Audio U2
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Douk Audio X1
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Nobsound MS-10D MKIII
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Customer Reviews |
4.3 out of 5 stars 1,026
|
4.1 out of 5 stars 160
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4.2 out of 5 stars 711
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3.9 out of 5 stars 293
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4.0 out of 5 stars 452
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4.0 out of 5 stars 186
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Price | $89.99$89.99 | $49.99$49.99 | $49.99$49.99 | $54.99$54.99 | $149.99$149.99 | $179.99$179.99 |
Feature | Bluetooth vacuum tube preamp; Headphone amplifier; USB DAC; APTX-HD; Tone control | Vacuum tube audio preamp & MM phono preamp | Vacuum tube headphone amplifier; Classic design | USB to Toslink optical & coaxial converter; Digital interface; XMOS XU208 | 2-CH Bluetooth vacuum tube amplifier; MM Phono amp; 320W; Tone cnotrol | Bluetooth hybrid tube power amplifier; Active SUB out; U-Disk/OPT/COAX |

Bluetooth 5.0
- Can ensure more stable and faster wireless transmission with less losses
- Also support 3.5mm AUX input. Bluetooth input has priority
TPA3116 Audio Chip
- Classic TPA3116 can offer 100W high power
- Suit most 3~6 inches 2.0CH speaker
- Clear sound with no background noise and pop
Tone Control
- Support treble/bass adjustment
- Integrated volume control & power switch design
Upgrade Power Port
- Unlike many other TPA3116 amplifiers, this one has no power sparks issue
- It also has built-in protective circuit to avoid damage to your speakers


Packing List
- 1*Mini Power Amplifier
- 1*19V 4.74A Power Supply
Douk Audio G3
Parameters
- Bluetooth version: Bluetooth 5.0
- Bluetooth chip: Qualcomm QCC3003
- Amplifier chip: TPA3116
- OP amp: 3 x TL072
- Max. output power: 50W*2
- Color: Black / Silver (Optional)
- Power supply: DC15-24V (2.5x5.5 mm port)
- Impedance: 2-8 Ohms
- Suitable speakers: 3~6 inches
- Dimensions(WxHxL): 30x87X107 mm / 1.2x3.4x4.2 in
- Net weight: 286 g / 0.63 lb
- Package weight: 750 g / 1.65 lb
Product guides and documents
Product information
Item dimensions L x W x H | 4.2 x 3.4 x 1.2 inches |
---|---|
Voltage | 240 Volts |
Manufacturer | Douk Audio |
Maximum Supply Voltage | 24 Volts (DC) |
Minimum Supply Voltage | 15 Volts (DC) |
Mounting Type | Surface Mount |
Brand | Douk Audio |
Number of Channels | 2 |
Output Power | 1E+2 Watts |
Package Type Name | Retail box |
Material | Aluminum, ABS plastic |
Product Dimensions | 4.2 x 3.4 x 1.2 inches |
Item Weight | 10 ounces |
ASIN | B07QRRQDDW |
Item model number | JP-ZJX-31 |
Customer Reviews |
4.2 out of 5 stars |
Best Sellers Rank | #78,239 in Electronics (See Top 100 in Electronics) #360 in Audio Component Amplifiers |
Date First Available | April 15, 2019 |
Warranty & Support
Feedback

Douk Audio Mini Bluetooth Amp, 100 watts Hi-Fi Digital Amplifier for Home Stereo Speakers with Treble/Bass Control, 3.5mm AUX Input (G3)
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the amplifier delivers excellent sound quality with plenty of volume, and appreciate its seamless Bluetooth connectivity with good reception. Moreover, the device performs well, driving bookshelf speakers effectively, and customers consider it good value for money. Additionally, they like its compact size, build quality, and appreciate the bass and treble adjustment features.
AI-generated from the text of customer reviews
Customers are satisfied with the sound quality of the amplifier, praising its volume and clarity, with one customer noting its wonderful thump and another mentioning there's no noise at all.
"...another adapter on my own, and the device now works well, very good sound quality and ample power for the price...." Read more
"...Blue tooth works perfect every time. Sound is delivered crisp and clean...." Read more
"...That was the case with this system, which produced crystal clear sound even when turned up so loud you could not converse with other people in the..." Read more
"...Got it to connect my out door speakers. Use it with Amazon Alexa. It sounds good but not powerful enough to power my speakers that handle 250 watts..." Read more
Customers find that the amplifier performs well, getting the job done 100% of the time, with one customer noting it works right out of the box. They appreciate its surprising performance in such a tiny package.
"...Handles 4-8 ohm speakers. Incredible overall performance for very little cost. Highly recommended!" Read more
"...I can connect to it from my laptop. It drives my speakers effortlessly and without distortion. There is no hiss...." Read more
"...I eventually bought another adapter on my own, and the device now works well, very good sound quality and ample power for the price...." Read more
"...It has exceeded my expectations. Blue tooth works perfect every time. Sound is delivered crisp and clean...." Read more
Customers appreciate the amplifier's Bluetooth connectivity, noting its good reception and range, with one customer mentioning that their smartphone found the signal instantly.
"...Solid construction, very effective tone controls and excellent bluetooth/auxiliary connectivity. Multi-Color LED mode indicator...." Read more
"...I can connect to it from my phone. I can connect to it from my laptop. It drives my speakers effortlessly and without distortion. There is no hiss...." Read more
"...The thing runs 24/7 waiting on a bluetooth connection. Its annoying though, now that my daughter found it and drops in with her crappy pop music...." Read more
"...Oh there is no manual switch and the bluetooth takes priority...." Read more
Customers praise the amplifier's power, noting it drives bookshelf speakers well, with one customer mentioning it works effectively with a 19vdc adapter.
"...Casing never gets hot to the touch. Handles 4-8 ohm speakers. Incredible overall performance for very little cost. Highly recommended!" Read more
"...power supply so for my little 4 inch book shelf speakers it got plenty of power. I used simple 12 guage wire and am having no issues...." Read more
"Good little amp . Got it to connect my out door speakers. Use it with Amazon Alexa...." Read more
"I really like this Amp. It sounds great, is compact, and powerful. My only complaint with it is that there's no switch to disable Bluetooth...." Read more
Customers find the amplifier to be good value for money, with several noting that the power output matches the price point.
"...Handles 4-8 ohm speakers. Incredible overall performance for very little cost. Highly recommended!" Read more
"...grade and it won't power concert hall speakers but for the price it works remarkably well...." Read more
"...and the device now works well, very good sound quality and ample power for the price. Only God knows why it doesn't have a remote" Read more
"...Sound and power are good for the price. Bluetooth is seamless and range seems fine...." Read more
Customers appreciate the amplifier's compact size, with one mentioning it works well with small bookshelf speakers.
"...This product is what finally does the job. It’s small, nicely machined and reminds me of old-school stereo gear...." Read more
"I really like this Amp. It sounds great, is compact, and powerful. My only complaint with it is that there's no switch to disable Bluetooth...." Read more
"...I have used it for 4 months. Performs excellent. Very small and compact...." Read more
"...amplifier to put on my desk to power two passive speakers, this is small and straightforward to use, tried various speakers and they all sound just..." Read more
Customers praise the amplifier's build quality, describing it as solid and impressive.
"...High fidelity considering its design. Solid construction, very effective tone controls and excellent bluetooth/auxiliary connectivity...." Read more
"...It appears to be built well...." Read more
"...This product is what finally does the job. It’s small, nicely machined and reminds me of old-school stereo gear...." Read more
"...Tried it on my Micca and I can barely hear anything at full power. Waist of money." Read more
Customers appreciate the amplifier's tone control features, particularly the bass and treble adjustments, with one customer noting the extremely sensitive volume control.
"...Solid construction, very effective tone controls and excellent bluetooth/auxiliary connectivity. Multi-Color LED mode indicator...." Read more
"...I liked the tone controls and those worked well. Power seems overrated...." Read more
"...Having treble and bass adjustments is definitely a big plus...." Read more
"...The fact that I can manually adjust the tone and tune it to what I like is a big plus. If you get this product you will be extremely happy with this...." Read more
Reviews with images

Top reviews from the United States
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- Reviewed in the United States on July 6, 2021This micro stereo amplifier offers:
High fidelity considering its design.
Solid construction, very effective tone controls and excellent bluetooth/auxiliary connectivity. Multi-Color LED mode indicator. Plenty of power with the included 19vdc adapter. Even more @ 24vdc.
Casing never gets hot to the touch.
Handles 4-8 ohm speakers.
Incredible overall performance for very little cost. Highly recommended!
- Reviewed in the United States on July 18, 2020I was a bit weary of this product because of how cheap it is but my fears were unfounded. I can connect to it from my phone. I can connect to it from my laptop. It drives my speakers effortlessly and without distortion. There is no hiss. I read that an older model had sparks but I haven't seen any sparks on my unit. It appears to be built well. It's not audiophile grade and it won't power concert hall speakers but for the price it works remarkably well.
I've only had it for a few days so I can't talk about its durability though.
- Reviewed in the United States on August 7, 2019I would like to give this product 5 stars, but the DC power converter blew on the very first day after just plugging it in, fortunately, the device was not connected as yet. The big disappointment was I couldn't get the seller to respond. I tried directly, then Amazon tried, but nothing. I eventually bought another adapter on my own, and the device now works well, very good sound quality and ample power for the price. Only God knows why it doesn't have a remote
- Reviewed in the United States on December 3, 2019Been using this for the last 5 months. It was so cheap I didnt expect much, well except maybe I would have to return it...BUT Guess what...this little thing rocks. It has exceeded my expectations. Blue tooth works perfect every time. Sound is delivered crisp and clean. Granted your not talking about a honkin big 400amp power supply so for my little 4 inch book shelf speakers it got plenty of power. I used simple 12 guage wire and am having no issues. The thing runs 24/7 waiting on a bluetooth connection. Its annoying though, now that my daughter found it and drops in with her crappy pop music. Not the amps fault.
When this one dies I will buy it again.
- Reviewed in the United States on August 1, 2022I recently found myself needing to replace an old Yamaha Integrated Amp that had finally given up the ghost. This unit caught my eye, but I did not remember anything about Class D amplifiers even though I taught electronics at a major university 30 years ago. After reading up on Class D amplifiers it was clear that such a device was unimaginable 30 years ago, especially in consumer electronics, and I was compelled to try it. It far exceeded expectations. By the way Class D stands for digital and this device is simply a on/off switch controlled by a sophisticated computer system.
Anyway, it arrived just in time to be used at our yearly dance party coupled to a pair of rejuvenated Baby Advent speakers. Most systems will give clean sound at low volumes, but with a good sound system the teenagers will keep turning it up and up and the sound will get louder without loosing any of the clarity. That was the case with this system, which produced crystal clear sound even when turned up so loud you could not converse with other people in the room. I do have to admit we only turned it up to a volume that pulled 20 watts of wall power, we did not feel the need for more volume.
- Reviewed in the United States on February 18, 2022This thing reminded me of those flea market or department store junk stereos. I wound up with the same experiences as many of the one and two start reviews. Don't waste your time or money on this junk.
At low to mid volume level the sound will drop out to nothing more than a muddy distorted mess then the left channel will go to crackling. Cycling power will fix it until it does it again. Did this from brand new. Both bluetooth and aux input. Oh there is no manual switch and the bluetooth takes priority.
The reason I bought this unit was for the subdued styling and lack of flashy lights. I liked the tone controls and those worked well.
Power seems overrated. Maybe 10-20 watts per channel at most with no overhead for coming remotely close to 50 watts per channel peak. Turn the volume up and anything with heavy bass will go directly into clipping and distortion. I had it hooked up to some 6.25in woofer bookshelf speakers and the output was lacking.
Bluetooth drops the stream with little blips of silence - like 1/4 second hitch - intermittently. Annoying.
Returning for a refund and I'll buy a used Sony receiver instead.
- Reviewed in the United States on August 7, 2020I tried several solutions to power some in-ceiling 6 inch speakers in my bathroom. This product is what finally does the job. It’s small, nicely machined and reminds me of old-school stereo gear. Sound and power are good for the price. Bluetooth is seamless and range seems fine. It has to go trough a wall and about 10 linear feet is all for my application. This wouldn’t be my choice for my main sound system in a large room, but for powering two decent size speakers in a 10’x12’ room. Perfect.
- Reviewed in the United States on December 2, 2021Good little amp . Got it to connect my out door speakers. Use it with Amazon Alexa. It sounds good but not powerful enough to power my speakers that handle 250 watts each . Have to have the volume cranked just about all the way up . Pairing to Alexa took several toys. But I finally got it connected.
Top reviews from other countries
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Cliente de AmazonReviewed in Mexico on July 8, 2020
5.0 out of 5 stars Buen producto!
Excelente calidad de sonido, soporta 2 bafles de 50 wats fácilmente. Llegó muy rápido y en buenas condiciones. Lo malo es que a la semana ya estaba más caro.
- E. H.Reviewed in Australia on September 5, 2020
5.0 out of 5 stars Supercharge the home office!
This is a great space saving and economical solution for a more-than-decent Hi-Fi system!
I wanted some decent quality sound for my office area and kitchen while in lock-down and I decided on this instead of powered desktop speakers. Paired with a pair of quality 6ohm satellite speakers and an active subwoofer(!), my house literally rocks! I generally only play on low volume. I have not dared to see how loud it can go - the volume dial typically sits at 9 o'clock position and it gets really loud beyond that. There's plenty of power in this amp! I'm no audiophile, but the sound is full, crystal clear and free of any static. The unit never gets hot (although it never gets to play hard either). Everything (computer, amp, sub, etc) is connected to same power board and there is no audible hum (caused by ground loop).
The unit has a quality feel overall and it looks pro (black version). The metal knobs have a solid, smooth feel and enough resistance for making small adjustments to bass/treble/volume. It even has a satisfying 'click' when powering on/off and there is no 'jolt' going to the speakers when powering goes on or off. The (removable) clear surface protectors were a poor aesthetic choice though, imho.
I keep the unit connected to an Alexa Echo Dot via bluetooth for all-day music and line-in from laptop for anything else. Alexa stays on all the time and connects immediately to the amp when powered on. The only minor annoyance is if you disconnect bluetooth to connect via line-in, you need to turn the amp off-and-on again to reconnect to bluetooth. Otherwise, Alexa says it is still connected if you try to reconnect, for some odd reason... There is no manual input selection. For my fixed setup and daily use, this does not bother me.
I can warmly recommend this as an alternative to powered Hi-Fi speakers or as a compact Hi-Fi setup. If you already have a pair of speakers collecting dust, it's a no-brainer!
- GTReviewed in Canada on January 9, 2020
5.0 out of 5 stars Wow! Wish this existed years ago
Last week I was about to toss out an old pair of Boston Acoustics speakers because the passive radiator was shot around the rubber rim, but after some thought I decided to rip out the tweeter, woofer, and crossover out the box and keep them for a "repurposing" project. The project advanced rapidly as it got under my skin and within two days I had built some much smaller bookshelf speaker boxes with a bass reflex port in back. During the finishing I realized I had no available amplifier to drive these, so a quick search on Amazon found this tiny beauty of an amp. I ordered it and it arrived next day just as I had completed the speakers and prepared the wiring to them. Within 5 minutes of arrival I was like a kid on Christmas morning trying out my new/old Boston Acoustics modified speakers. Aside from the fact that my rebuilt speakers sounded fantastically clear, I was shocked that this little amp delivered so much sound. It is really way too loud for my liking past 1/2 volume but remains undistorted. I'm now thinking of getting another one for a home theatre setup as this is so small it can fit anywhere. Bluetooth paired immediately. Bass and treble adjustments are well appreciated. I like the standard banana connectors at the back instead of poorly designed spring-clip toggle wire connections. Definitely one of my best buys on Amazon! My home office is now wired for high quality sound bluetoothed to my PC for endless hours of music while I work.
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Jose O.Reviewed in Mexico on May 13, 2022
5.0 out of 5 stars Un buen amplificador para un set-up sencillo
Llevo un año usándolo y, aunque me ha dado algunos problemas (a veces se deja de escuchar un canal) al desconectar y conectar todo de nuevo se soluciona. Lo utilizo con un par de bocinas que tenía y se escucha muy bien con mi computadora para poner música mientras trabajo; lo prefiero a bocinas para PC que usualmente se escuchan mal. Si tu idea es hacer un set-up estereo muy sencillo para tu teléfono o PC, es una buena opción
- MelbReviewed in Australia on November 12, 2022
4.0 out of 5 stars A good little unit
This amp is running 4 speakers in a large workshop. It works well and sounds pretty good. Sometime the Bluetooth connection gets a little confused when connecting again. I’ve been using the amp for 10 months now.
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Product Summary: Douk Audio Mini Bluetooth Amp, 100 watts Hi-Fi Digital Amplifier for Home Stereo Speakers with Treble/Bass Control, 3.5mm AUX Input (G3)
From Douk Audio
4.2 out of 5 stars, 559 ratings
Customer reviewsAbout this Item
- High Power Output: The Douk Audio G3 Mini features a TPA3116 chip that delivers a maximum output power of up to 100W. Despite its compact size, it can easily drive 3-8 inch home speakers with little heat and low distortion.
- Bluetooth 5.0 Connectivity: Enjoy faster transmission speeds, stable signals, and lower power consumption with Bluetooth 5.0. It’s compatible with 99% of mobile phones, computers, tablets, and other devices.
- Versatile Inputs: The amplifier supports both AUX input (via a standard 3.5mm interface) and Bluetooth. Connect your mobile phone, notebook, PC, PSP, CD player, and more.
- Clean and Delicate Sound: High-end components and a dedicated digital power amplifier circuit inductor ensure clean, dynamic sound. The 2*TL072 independent op amps allow customization for different listening styles and devices.
- Custom Sound with Independent Controls: Adjust treble and bass to your liking for a personalized listening experience.
- Elegant Design: The mini size, aluminum shell make the G3 Mini a fashionable addition to your home or desktop audio system.
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