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Amazon.com: 320W Power Amplifier Board with Subwoofer 2.0 Channel 160W×2, 15V-36V Audio Power Amplifier Module with Treble and Bass Control,Black (ZK-1602T) : Electronics
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Amazon.com: Fosi Audio BT20A Pro 300W x2 TPA3255 Bluetooth 5.0 Home Audio Stereo 2 Channel Amplifier Receiver Mini Hi-Fi Class D Upgraded Integrated Amp for Speakers with Bass Treble Control : Electronics
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Amazon.com: Suacopzar 298Pro Home Audio Amplifier, Max 400Wx2 RMS 50Wx2 Bluetooth 5.0 Wireless Power Amplifier, 2.0 CH HiFi Sound Audio System Home Stereo Receiver, MIC in w/Echo, Bass & Treble w/USB/RCA/FM :
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Amazon.com: DOUBAO Tone Preamplifier Board Treble Mid Bass Sound Processing Preamp Volume Control for Home Amplifier (Color : D) : Electronics
Amazon.com: Bluetooth Power Amplifier Board with Subwoofer 2.1 Channel 50W×2+100W, 12V-24V Audio Power Amplifier Module with Treble and Bass Control for DIY Bluetooth Audio and Store Home Theater : Electronics
Amazon.com: Saiyin Bluetooth Amplifier Home Audio, 80W x 2 Stereo Amplifier Receiver 2.0 Channel Mini Hi-Fi Class D Integrated Amp with Headphone Jack, Bass/Treble Control for Home Speakers : Electronics
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Amazon.com: AMP44 2-Zone 4-Channel 4 * 100W Amplifier w/Independent Inputs& Bass & Treble Control : Electronics
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Amazon.com: Fosi Audio Q4 Headphone Amplifier Mini Stereo DAC 24-Bit 192 KHz USB Optical Coaxial to RCA AUX Digital-to-Analog Audio Converter Adapter for Home Desktop Powered Active Speakers : Electronics
Amazon.com: 160W+160W Amplifier Board with Treble and Bass Control, DC 12-36V, BT and AUX Inputs, 2.0 Channel Stereo AMP Board for DIY Wireless Speakers, Password Free (T160HS) : Electronics
