2 pcs TWS Bluetooth 5.0 Power Amplifier Board 40W / 50W Mono Stereo Audio Module. No call function. At 24V4A, the maximum output power is 50W. At 19V4A, the maximum output power is 40W.
eBay
ZK-1001U Mono 100W TPA3116D2 Bluetooth 5.3 Audio Amplifier Module Digital Sound Power Amplifier AMP Module Home Theater AUX
Aliexpress UK
2 pcs TWS Bluetooth 5.0 Power Amplifier Board 40W / 50W Mono Stereo Audio Module. No call function. At 24V4A, the maximum output power is 50W. At 19V4A, the maximum output power is 40W.
eBay
8 Channels Headphone Amplifier Mini Amplifier with Stereo/Mono Switch Professional Ultra-Compact HiFi Stereo Audio Amplifier
Aliexpress UK
2 pcs TWS Bluetooth 5.0 Power Amplifier Board 40W / 50W Mono Stereo Audio Module. No call function. At 24V4A, the maximum output power is 50W. At 19V4A, the maximum output power is 40W.
eBay
Fosi Audio V3 Mono Stereo Power Amplifier 2/2.1/3/4/5 Channel TPA3255 Mini Amp 240W Professional Amplifier
Aliexpress UK
Speaker power: 3W per channel. Dual channel with enclosure (two enclosures and two amplifier boards). Classification: Mono with casing (one casing, one amplifier board). Assemble it yourself and enjoy the fun of DIY.
eBay
100W Mono Amplifier Board TPA3116D2 BT Audio Power Amplifier Module ZK-1001U AMP Module for Home Theater
Aliexpress UK
Output Power: Typical 20W (maximum 30W). 1 piece Stereo Audio Amplifier Board Module DIY Kit( Parts, need assembling). Calculated by the RC high-low circuit, maximum range is 3.29Khz-482.29kHz. We'd like to settle any problem in a friendly manner.
eBay
VIRE High Power DSP Bluetooth Amplifier Board 8-18 Inch Trolley Speaker Outdoor Audio Amp Module 60W Mono Stereo Amp
Aliexpress UK
Powerful output power: LM1875T amplifier board has a high output power, which can push all kinds of speakers and output clear and dynamic audio signals. Low distortion and low noise: The LM1875T amplifier board is designed to reduce distortion and noise, the output signal is clean and noise-free, the music is purer, the details are clearer, and the audio experience is higher.
eBay
TDA2030A Electronic Audio Power Amplifier Board Module Mono 18W DC 9-24V For DIY Kit Computer Active Speakers DIY Kit
Aliexpress UK
46CXA1800.1T+AMPKIT0 Mono Amplifier w/ 0AWG Kit. 0AWG Complete Amplifier Kit. If you do not see the official KICKER Authorized Dealer seal, then it is not an Authorized Dealer. Authorized Online KICKER Dealer.
eBay
DC3.5V-5V 5W Mono Audio Amplifier Bluetooth Decoder Board Supports TWS Pair TYPE-C Interface Electronic Component Kit
Aliexpress UK
Powerful output power: LM1875T amplifier board has a high output power, which can push all kinds of speakers and output clear and dynamic audio signals. Low distortion and low noise: The LM1875T amplifier board is designed to reduce distortion and noise, the output signal is clean and noise-free, the music is purer, the details are clearer, and the audio experience is higher.
eBay
Nobsound Little Bear B4-X Portable Dual-Mono Vacuum Tube Headphone Amplifier Balanced BLK
Aliexpress UK