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DC7V-25V Bluetooth Amplifier Decoder Board Kit Support MP3 WMA WAV APE FLAC Music Formats Digital Audio Player

Sound Amplifier, Water Leakage Detection, Enhanced Microphone Audio Ear Listening Device Amplifier Voice Listen Detector Through Wall Door Voice Tool for Pipe Water Oil Leakage

QEBIDUM 6pcs Audio Power Amplifier Module, Amplifier Board, Mini LM386 200 Times Gain 10K Solo Mono AMP Circuit Mini Guitar AMPS 200 Times 5V-12V Input 10K Adjustable Resistance

Acxico 2Pcs LM386 10W Mini Power Amplifier Board Audio Amplifier Module DC 3-12V Volume Adjustable Control

QCCAN 2PCS AD620 Voltage Amplifier Module, Microvolt MV Voltage Amplifier Signal Instrumentation Module Board 3-12V DC

1 x 200Watt Class D Audio Amplifier Board - T-AMP

Audio Amplifier Board, Icstation Ḅḷụẹ-ṭọọṭḥ-Compatible Stereo Audio Amplifier Module 2x5W BT 5.0 Mini Amplifier Board 3.7V 5V for DIY Speakers

AIYIMA A07 Premium TPA3255 Power Amplifier 300Wx2 HiFi Class D Amp Mini 2 Channel Stereo Amplifier with Pre-Out for Desktop Bookshelf Speaker Home Audio System & DC32V 5A Power Adapter