4 Inputs: Equipped with 4 inputs, BT, AUX, USB flash drive, and USB sound card. Easily connect wirelessly via BT, or through AUX input to your TV, computer, or sound device. Support for USB flash drive and USB sound card input allows seamless playback of music files or computer sound for a premium sound experience.
eBay
1500W Sound Amplifier 5.0 Bluetooth Amp HiFi Audio Amplifiers /HDMI/USB/OPT/COAX For Home Theater Sound System Karaoke Studio
Aliexpress UK
Output power: 300W 4ohm, 200W 8ohm (Four tubes in parallel). Excellent Audio Quality: By adopting differential input amplification technology and a miniaturized integrated design, this power amplifier board achieves high fidelity and exceptional audio quality, surpassing the performance of traditional digital power amplifier boards.
eBay
HA800 Headphone amplifier 8 Channel Ultra-Compact Stereo Audio Amplifier Earphone Amplifier for Music Mixer Recording
Aliexpress UK
The power amplifier board contains the TPA3110 chip, which can ensure high‑quality sound. This digital power amplifier module has professional design, with reasonable structure, easy to replace and install, and small in size and easy to carry.
eBay
Woopker Audio Amplifier AK50 840W Bluetooth 5.3 2.0 Channel HiFi Digital Stereo Sound Amplifier Supports 110V-240V Home Car Amp
Aliexpress UK
Better Sound: With this audio amplifier board, you can enjoy better sound quality with low noise as well as low distortion. Item Type: Audio Amplifier Board. 1 x Audio Amplifier Board. Output Power: 5W.
eBay
WOOPKER 60W*2 Sound Amplifier AK50 HiFi Digital Bluetooth Power Amplifier Channel 2.0 FM USB AUX Audio Amp for Home Car Karaoke
Aliexpress UK
1PCS TDA7297 Version Amplifier Board. -AC / DC, 2.0 / dual channel / stereo,12V/2A when using, the output power of 15W +15 W, peak up 25W +25 W. Power: 15W +15 W. -High signal to noise ratio. -Can be accessed by two 4-8Ω 10-50W speakers.
eBay
AK55 Amplifier Bluetooth-compatible Music Amplifiers for Home Car Karaoke 2 Channel HiFi Stereo AMP FM USB Remote Control Audio
Aliexpress UK
Adapter speaker: 10W-100W /4Ω-16Ω output power: 20W 2. Audio input: Bluetooth + AUX input. 5: Safe to use. Check list.
eBay
SMSL S1 HiFi Audio Amplifier Portable Amp Chip TPA3116*2 100Wx2 Mini D AMP Receiver Support Bluetooth With Remote control
Aliexpress UK
Chip Type: TPA3118. Type: Class-D stereo efficient digital amplifier. This module is designed to be user-friendly for connecting power and audio input, and users can directly connect the speakers to the amplifier output.
eBay
SMSL AS400 Power Amplifier & Headphone AMP & Decoder MA5332MS MQA-CD Audio DAC CS43131 Headphone Amplifier XMOS XU-316 2.1 HIFI
Aliexpress UK
Better Sound: With this audio amplifier board, you can enjoy better sound quality with low noise as well as low distortion. Item Type: Audio Amplifier Board. 1 x Audio Amplifier Board. Output Power: 5W.
eBay
ST-838 Subwoofer Amplifier Bass and Treble Audio Amplifier HiFi 2.1 Channel Car Home Amp Adjustment 80W*2 Mini Media Player
Aliexpress UK