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Amazon.com: Facmogu F900S 160W Mini Bluetooth 5.0 Power Amplifier, 2 Channel 80Wx2 Stereo Hi-Fi Digital Amp, Portable Wireless Audio Receiver Sound Speaker Amplifer, AUX/USB/Bluetooth Input & 12V Power Supply : Electronics
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Power amplifier low noise Regulated power supply board dual-voltage PSU +/-55V +/- 60V DC +/- 50V DC 12v to 70v - AliExpress
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