This compact Bluetooth audio amplifier allows the connection of Bluetooth devices to low impedance speakers via the built-in power amplifier. It also has an auxiliary input so devices can be connected by 3.5mm jack connection.
eBay
220W-510W 5.1 Channel Bluetooth Power Amplifier Home Theater Audio High Power Home Fever Amplifier Ktv Karaoke 220V
Aliexpress UK
High Efficiency: A significant upgrade from the BT20A amplifier. To create a different sound quality. SNR≥108dB; THD≤0.005%. Alternatively, you can turn the treble and bass effects to a middle point to listen to the original sound without effects.
eBay
FiiO BTR17 Portable Bluetooth Decoding Earphones Power Amplifier HiFi Custom AAC/SBC/aptX/aptXAdaptive/aptxLossless/atXHD/LDAC
Aliexpress UK
Mini HIFI digital bluetooth audio power amplifier. Suitable for SD Card, U disk, AUX input, MP3 format play, support bluetooth wireless connection. Otherwise, the power amplifier will be burned out.
eBay
HiBy W3 II/W3 GEN 2 Type C USB DAC Dongle Wireless Bluetooth Decoder Headphone Amplifier AMP CarPlay NFC CVC Mic for Android iOS
Aliexpress UK
DJ Amplifiers. Distortion: >98dB. Signal-to-noise ratio: >95dB. Crosstalk: >82dB. Frequency Response : 20Hz - 20.000Hz. Impedance: 4ohm. Output power:Max: 4000W. Product Code: SSD7776.
eBay
Mini TPA3116D2 Bluetooth 5.3 Class D Power Amplifier 2.0 Audio Amplifier 100Wx2 200W with Microphone Optical Coaxial Input
Aliexpress UK
Connect android phone iPhone iPad MP3 to the 3.5mm jack input to enjoy acoustic amplified sound w/ the speaker. Power Output: 120 Watt (60 Watt x 2 4Ohm) Class-T Digital Amp Circuit Design. Approx Parcel Weight: 655.00g.
eBay
AIYIMA Audio T8 Vacuum Tube Amplifier Bluetooth Pre-Amplifier Headphone Amplifier HiFi Bluetooth Preamp Decoder DAC USB Optical
Aliexpress UK
3.5mm stereo Aux input and output. IWA In-Wall Amplifiers with Bluetooth. Optical digital audio input. Bluetooth on/off defeat switch. Bluetooth with unique serial ID. Fig.8 mains power input.
eBay
Wall music panel amplifier, Bluetooth wall amplifier, 86 wall amplifier, 86 music panel, 86 MP3 player, 86 Bluetooth player
Aliexpress UK
(Notice: The product needs to be connected to passive speakers to play audio. When there is no speaker connected, there will be a certain amount of wind noise, which is normal.). Bluetooth 5.0 】The professional integrated indoor stereo receiver is equipped with the new updated 5.0 bluetooth.
eBay
Home Bluetooth wall mounted amplifier intelligent home audio mini touch button stereo USB TF music panel PA system
Aliexpress UK
Mini HIFI digital bluetooth audio power amplifier. Amplifier type: HIFI amplifier. -TF Card, AUX, U disk, MP3 format play, support bluetooth wireless connection. Bluetooth: Support. -Add single cycle button to cycle favorite music easily.
eBay
Smart home Android 11 system 4 zone audio in wall amplifier 4+32G TUYA controls panel 8 inch touch screen bluetooth music player
Aliexpress UK