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Amazon.com: Nobsound HiFi 2.1 Channel Bluetooth 5.0 Power Amplifier Board Case Stereo Subwoofer Amp : Electronics
Amazon.com: S.M.S.L A300 HiFi Power Amplifier 2.1 Ch 165W x 2 Bluetooth 5.0 Class D Integrated Amp SDB Sound Effects Hi-Res Stereo Audio Receiver BTL Mode THD+N 0.004% (with Remote Control) : Electronics
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Amazon.com: HiFi 2.1 Channel Digital Amplifier Bluetooth 5.0 Receiver Mini Stereo Audio Amp : Electronics
Amazon.com: YJ-TPA3116 2.1 Digital Amplifier HiFi Home Desktop Audio Amplifier 2 * 50W+100W : Musical Instruments
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Amazon.com: ST-838 2.1CH HiFi Audio Amplifier RMS 20Wx2+40W Stereo Amplifier with Subwoofer Output Class D Mini Digital Power Amplifier Receiver with AUX for Home,Car Speakers,Black (Power Supply not Included) : Electronics
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Amazon.com: Lepai LP-168HA 2.1 2x40W Mini Amplifier + 1x68W Sub Output : Electronics
Amazon.com: Mini HiFi Stereo 2.1 Channel Audio Amplifier for Home Car Marine Subwoofer Amp : Electronics
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Amazon.com: XY-S100H 2.1 Channel Bluetooth Power Amplifier Board with APP Control, TPA3116 Chip 50W×2+100W, 12V-24V Audio Power Amplifier Module, Support Setting Bluetooth Name and Password : Electronics
