Nobsound Mini Bluetooth 5.0 Power Amplifier, Stereo Hi-Fi Digital Amp 2.0 Channel 50W×2 with AUX/USB/Bluetooth Input, Wireless Audio Receiver, PC Sound Card with Power Supply (Black)
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Availability:
In Stock.
Arrives
Sunday, Jul 12
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Features
- Newest upgrade in 2025 with 19V power supply. Based on our previous product, we enhance its output power and improve its functionality, while still keep its mini size and elegant design.
- Despite its mini size(can be hold with one hand), the output power is improved to 100W(50W*2) with the upgraded chip. Its power output far exceeds its size.
- Supporting AUX, USB, Bluetooth inputs. You can enjoy your music in different ways. The Bluetooth function is also upgraded to 5.0. Now it is more stable and faster.
- We need to mention that with the USB input, music can be played losslessly(Like connecting with a computer. By the way, you don't need to install a driver). The sound quality is also enhanced greatly.
- Complete Setup in Minutes: Includes 19V power supply, AUX/USB/RCA cables, and manualready to use right out of the box for home, office, or desktop audio systems.
Item dimensions L x W x H: 2.76 x 3.07 x 1.5 inches
Voltage: 12 Volts (DC)
Manufacturer: Nobsound
Maximum Supply Voltage: 24 Volts (DC)
Minimum Supply Voltage: 9 Volts (DC)
Voltage: 12 Volts (DC)
Maximum Supply Voltage: 24 Volts (DC)
Minimum Supply Voltage: 9 Volts (DC)
Mounting Type: Surface Mount
Number of Channels: 2
Operating Temperature: 10 Degrees Celsius
Output Power: 100 Watts
Package Type Name: Box
Supply Current: 5 Amps
Maximum Output Power: 100 watts
Item Dimensions: 2.76 x 3.07 x 1.5 inches
Material Type: Aluminum
Manufacturer: Nobsound
Model: GFJ058NEW
Brand Name: Douk Audio
Warranty Description: 18-Month Limited Warranty
Part Number: GFJ058NEW
Item Weight: 0.97 Pounds
Included Components: 1*Amp; 1*Power Supply; 1*AUX Cable; 1*USB Cable; 1*RCA Audio Cable; 1*Manual
Unit Count: 1.0 Count
Specification Met: CE, FCC
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Jul 12
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
I am somewhat of an audio enthusiast and let me start by saying that this is one incredible and powerful little amp. I've recently completed a rebuild of some Polk Audio 6.5" outdoor speakers and bought this amplifier to power them. Let me tell you, the sound level is truly amazing. This amp really has some muscle and the sound quality is quite good. I did, however, have a slight issue and need to apologize to Douk Audio. I had a replacement unit sent to me due to Bluetooth audio dropouts and severe distortion. I thought I had a defective unit, but the replacement had the same problem. Come to find out, the problem is with my iphone 6. The iOS was recently updated to 10.3.2 and it ruined the phone's Bluetooth connectivity when connected via wifi. All of my Bluetooth devices now have audio playback issues. The Nobsound's Bluetooth function does work perfectly with my other tablets and wife's iphone 6 which has iOS 10.2. The build quality seems pretty solid and I do like the fact that it accepts banana plugs. So far, the longest continuous playback has been about 1.5 hours and the amp only has gotten moderately warm playing at mid to low volume. I will be putting it through the paces soon. I plan on taking it to the beach along with my outdoor Polks that I previously mentioned. I'll be using a 12ah SLA battery with a 150W inverter for power. I've tested the set up and it works pretty well. I estimate the battery should last about 6hours using the supplied 5A power pack and pushing the amp below 50% volume. The beach will definitely be rockin' when I show up....ha!. Seriously though, in my opinion, having a set up like this makes a portable Bluetooth speaker obsolete. This is like having your home stereo with you anywhere you go, EXTREMELY loud with clear quality sound. I don't normally write reviews, but after seeing the other lack luster and not so good reviews, I had to chime in. I am thoroughly impressed and will highly recommend this Nobsound to anyone looking to power an extra set of speakers. I will definitely purchase another whenever this one goes out.
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Reviewed in the United States on June 8, 2017 by Jodie Garritt
This worked perfectly with built in house speakers, easy to install and use, very powerful too
Reviewed in the United States on December 26, 2025 by Rvivass
I’ve got three different amps on my sim rig running various bass shakers, and this one’s been a pleasant surprise. It’s powering two BST-2s and while it doesn’t hit as hard as some of my other amps, it delivers enough punch to feel immersive without being overwhelming. Setup was quick and easy—it even comes with an AUX cable, RCA cables, and a power supply, so you’re ready to go right out of the box. A few design notes: • The green front LED is very bright—noticeable in a dark room. • The front is white which doesn't really 'go' with most audio gear. • AUX input is on the front, which makes clean cable routing tricky. • The volume knob is oversized and has very little resistance—it works fine but feels a bit excessive. Still, performance is solid and reliable. Great value and a clean, simple option for tactile feedback in a sim setup.
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Reviewed in the United States on July 17, 2025 by General Debris General Debris
Super nice and simple amp, I really like the volume knob and I was happy that it includes the RCA to AUX cable which is pretty good quality. The whole product feels really high quality and works perfectly for my speakers. EDIT/UPDATE: At first I liked it and I think for some uses it still works great but for my music setup I noticed some volume fluctuations that weren't part of the music and it was a minor annoyance but bothered me a bit and also there was a static noise that was produced by the amp at higher volumes. But these problems also could be from mine being damaged during shipping.
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Reviewed in the United States on September 17, 2025 by Preston
The reviews that claim this is "unbelievable for the size and cost" are rather... apocryphal. That said for a USB DAC, I would definitely say it's fairly decent, and overall does a good job. I use this to drive some 160W Pioneer reflex loudspeakers and it does a good job; I have this amp at 1/4 on the volume dial and that's plenty enough for room easy listening, with little noticeable distortion and no obvious clipping. The connectors on the back work with both spliced cables or banana plugs; I did reuse some existing decent audio cables and it's comical how they drag the small lightweight amp down. I do have some cons though: - By default the unit seems to enter Bluetooth mode (blue status led) and I need to unplug/replug the USB cable for it to switch back to USB (green status led). - Mode changes are accompanied by an absolutely unnecessary "USB mode" or "Bluetooth mode" announcement via the speakers. I wish this could be turned off as it's wholly unnecessary to hear when I power up my system. - When the USB plug is connected and the laptop source is not issuing any sound, there's a clear white noise hiss coming out of the speakers. It is _very_ noticeable. That does not happen in BT mode. So let that sink a bit: in USB mode, there's a clear *analog* white noise hiss when there's no USB signal... That leads me to believe they don't turn the amp off even though the USB is not providing any data. That white noise is present in the "quiet" sections of music too. - I tried to use it in BT mode and there's a clear noticeable delay, at least 250 ms or more. It's significant enough that I can't watch a movie with that in BT mode. - The power supply is fairly light and never seems to get too hot. Probably the typical buck converter design. It would not be a bad idea to put these behind a power strip and cut power completely when you're done. Bottom line : The sound is acceptable for what costs a fraction of a proper USB DAC. However the BT/USB switch and the mode announcements are real turns off.
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Reviewed in the United States on November 7, 2020 by Le Ralf