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Amazon.com: Fosi Audio TDA7498E 2 Channel 160W x2 Stereo Audio Amplifier Mini Hi-Fi Class D Integrated Amp for Passive Speakers with 24V Power Supply : Electronics
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Amazon.com: Douk Audio 4 Channel Bluetooth Amplifier, 50W x 4 Audio Power Amp, Hi-Fi Home Stereo Speaker Receiver M4 : Electronics
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