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Fosi Audio V3 Mono 240W Sound Amplifier TPA3255 PFFB Technology Mini Audio Amp For Subwoofer Speaker

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Taramps HD 3000 1 Ohm 1 Channel 3000 Watts RMS MAX Full Range Audio Amplifier

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4 Channel 6400 Watts Professional Digital High Power Amplifier AMP Stereo MICWL GB6400

ZK-HT21 2.1 Channel 160WX2+220W Bluetooth Digital Power Amplifier Module TDA7498E Stereo Amplifier High And Low Tone Subwoofer

2*100W Bluetooth 5.0 AUX TPA3116 Digital Power Amplifier Board Class D 2.0 CH Stereo Home Music Wireless Module Audio AMP