2pcs Mini Digital Power Amplifier Board 3W+3W DC AMP Module 5V USB Power Supply

Mini LM386 Audio Power Amplifier Board DC 3~12V 5V Micro Amp Module 750mW CA

XH-M125 XPT8871 Mono Amplifier Board DC 5V 1A 5W Audio Placa Amplificador Sound

TDA7297 Amplifier Board AC/DC 12V 2x15W Digital Audio Dual Channel Module

DC8-24V TPA3118 PBTL 60W Mono Digital Audio Amplifier Board AMP Module 1X60W

1-5PCS XPT8871 5V 5W Single Channel Mono Li-ion Battery Amplifier Board Module

XH-M125 XPT8871 Mono Amplifier Board DC 5V 1A 5W Audio Placa Amplificador Sound