Nobsound G3 2 Channel Bluetooth 5.0 Amplifier, Class D Stereo Audio Amplifier, Mini Home Theater Power Amp, Digital Power Amplifier Receiver, 100W, Treble & Bass Control (Black)
Price: | $63.00 & FREE Delivery |
- Bluetooth 5.0 can ensure more stable and faster wireless transmission with less losses. It can turn your normal passive speakers to Bluetooth speakers.
- Besides BT 5.0, this device also support standard 3.5mm AUX input. This amp can be connected with mobile phone, notebook, PC, PSP, CD and so on.
- Classic TPA3116 amplifier chip & 3 x TL072 independent OP amps. It can offer 100W (50Wx2), which suits 3~6 inches 2.0CH speakers. Sound is very powerful and clean. Totally no background noise and pop.
- Unlike other similar TPA3116 amplifiers, this one has no power sparks issue. It also has built-in protective circuit to avoid damage to your speakers. Higher quality with lower price.
- More features: Independent treble & bass tone control. High quality 19V power supply. 18-month warranty (customer support email: nobsound@doukaudio.com)
Product details
Colour:Black- Product Dimensions : 10.67 x 8.64 x 3.05 cm; 500 Grams
- Date First Available : 15 April 2019
- Manufacturer : Nobsound
- ASIN : B07QRRQDDW
- Manufacturer reference : DZ057_S
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Best Sellers Rank:
2,204 in Electronics (See Top 100 in Electronics)
- 2 in Hi-Fi Amplifiers
- Customer Reviews:
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Product Description
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Bluetooth 5.0 & Stable Stream:Bluetooth 5.0 can ensure more stable and faster wireless transmission with less losses. |
Mutiple Inputs & Strong Compatibility:Support Bluetooth and standard 3.5mm AUX input, which can be connected with mobile phone, notebook, PC, PSP, CD and so on. |
No Sparks & Protective Circuit:Unlike other similar TPA3116 amplifiers, this one has no power sparks issue. It also has built-in protective circuit to avoid damage to your speakers. |
Powerful Output & High Sound Quality:Can offer 100W (50Wx2), which suits 3~6 inches 2.0CH speakers. Sound is very powerful and clean. Totally no background noise and pop. |


Packing List:
- 1*Mini Power Amplifier
- 1*19V 4.74A Power Supply
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 (outer diameter 5.5mm inner diameter 2.5mm)
- Impedance: 4-8 Ohms
- Suitable speakers: 3~6 inches
- Dimensions: (W)30mm x (H)87mm X (L)107mm
- Net weight: 286g
- Package weight: 750g

Nobsound G3 100W 2.0-CH Bluetooth 5.0 Amplifier
How to connect:
Line in:
1) connect the power adapter to the amplifier but not mains supply
2) connect it to audio source and speakers
3) connect the power adapter to the mains supply and turn on the amplifier.
Bluetooth in:
1) connect the power adapter to the amplifier but not mains supply
2) connect the amplifier to the speakers
3) connect the power adapter to the mains supply and turn on the amplifier.
4) search the Bluetooth and click the name to connect it
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Customer reviews
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Top reviews from Australia
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Hitched up to some old Yamaha bookshelf speakers the sound is awaesome and the bass and treble controls really welcome.
The unit is so small if you have external water proof speakers this would certainly be a great complement. Tiny enough to fit in palm, easy to move to where you want it.
No problem connecting to iPhone/Apple music on first attempt and has aux into.
A real joy!
Despite an expensive sound bar, top end 4K tv with good speakers it looks like my son is going to lay claim to it.
Impressive.
Pros:
- Connects pretty much instantly to my Laptop
- Great sound quality
- significant volume
Cons:
- If you are looking to use speaker cable that is thicker than 2mm (approx.) you will need to use banana plugs.
- Connections can occasionally be a little spotty, this has happened once or twice in the last month, but a slight reposition of the amp resolved the issue.
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!
Speakers can be connected via banana plugs or bare wires (screwed in place). In testing, it appears only one phone can be connected at a time.
The amp has plenty of power to drive old PC speakers.
Top reviews from other countries

I’ve been using the setup at least thrice a week via bluetooth and it’s been flawless so far until today. I turned it on as usual and suddenly there’s a cracking sound at first then a very faint output of what I’m supposed to be playing - just on the right speaker. Left speaker is flat out dead. I did the usual troubleshooting of removing and reconnecting cables, unplugging the cord from wall outlet, turning off and on the amp and even restarting the bluetooth source but to no avail.
It’s very disappointing that this amp only lasted more than a month so i’m definitely unhappy about this. My return window is already closed so I’m left for dead here with a faulty amplifier. I hope I can get a replacement as this device is really promising if and when it works.



Only downside, and it's probably related to the size of my speakers, if the bass is set too high, or if the volume is high and a song with heavy bass comes on, the sound starts going on and off. Turn the bass down a bit resolves this. Weird, but that's what I noticed. A little irritating, but there is still lots of bass there.
All in all a good unit for the price if all you want is a simple amp and not a giant receiver amp.
