This ensures a continuous and high powered operation. Output Power: 220W x 2+350W. This makes it highly convenient for connection and usage. By adjusting the high and low frequency knobs on the amplifier board, you can achieve a layered sound effect and a more impactful bass, providing a better sound experience.
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Herdio Bluetooth Wall Amplifier 4 Channels Volume Control Wall Plate USB/AUX Inputs Connect 4 Speakers With 12V3A Power Supply
Aliexpress UK
Feature: 1. UNIQUE DESIGN: compact and adaptable, connected to active speakers through to improve sound quality, or used as a powerful headphone amplifier. It can use and direct sound perfectly. You can turn off active speakers or amplifiers as needed.
eBay
Motorcycle Speakers with Built-in Amplifier Wireless USB & AUX Inputs FM Radio 12V Metal MP3 Player for Off-Road Bikes
Aliexpress UK
Fun Pet Electric Rotating Butterfly Toy For Cat Teaser Training Interactive Toys. Multiple Audio Inputs: Compatible with Bluetooth 5.0, stereo RCA, and 3.5mm AUX inputs, enabling connection to for iPad, cellphone, MP3 player, CD player, dataplay, computer, decoder, and more.
eBay
Bluetooth Wall Amplifier Home Theater 4inch Touch Screen 2 or 4 Channel Stereo Powerful Amp Module Support USB/TF/FM Radio
Aliexpress UK
SMSL AO200 MKII Digital Power Amplifier Bluetooth 5.0 Balanced Input XLR Speaker output subwoofer pre out. Test review for SMSL AO200 MKII by famous reviewer. 1 × S.M.S.L AO200 MKII. Input: XLR, RCA, BT, USB.
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Bluetooth 5.0 DSP Digital 2.1 Subwoofer Power Amplifier Board 70W*2+140W Tws AUX USB Input 8V-24V
Aliexpress UK
A HIGH OUTPUT POWER OF 55W MAX PER SIDE. DIGITAL STEREO AMPLIFIER WITH BLUETOOTH. 2 X 6.3MM MICROPHONE INPUTS. OUTPUT POWER: 4 OHMS 2 X 35W RMS / 2 X 55W MAX (EIAJ STANDARD @ 1KHZ 10% THD). 2 X STEREO LINE INPUTS ON RCA.
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Fosi Audio ZD3 Bluetooth USB Desktop DAC ARC Input, ES9039Q2M Fully Balanced Digital Decoder for Stereo Amplifier with Remote
Aliexpress UK
The audio interface can also be connected to ordinary earphones with 3.5mm interface, which can turn ordinary earphones into bluetooth earphones. 1 Piece Bluetooth Amplifier Board. Processor: RK3128H.
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HIFI Dual Core PCM1794 DAC Of Full Balanced XLR Coaxial RCA USB Input HIEND Audio Bluetooth 5.1 QCC5125 Module Amplifier Board
Aliexpress UK
Feature: 1. [2.1 Channel] This 5.1 digital amplifier module features 2.1 channel output with a total output power of 100W+100W+200W, ensuring continuous serial high power working. Item Type: Amplifier Board.
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HIFI 20W*2 50W*2 AP50L AP15H Stereo Bluetooth-compatible Digital Amplifier Board AUX USB-C Input 12V/24V Home Theater XY-AP15H
Aliexpress UK
It can accommodate 4 sets of speakers and provide sufficient strong power amplification. Easy to connect with smartphones, iPads, iPhones, computers, etc. Note: After Bluetooth connection, playback will be paused to protect privacy during calls.
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SMSL M20 Hi-Res Gaming Audio Decoder CS43131*4 TPA6120A2*2 Chip MQA XU316 DSD256 USB Input 3.5mm 4.4mm jack Headphone Amplifier
Aliexpress UK