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Amazon.com: ZK-XPS 150W+150W Bluetooth Power Amplifier Board with TDA7498E Chip 2.0 Channel, DC12-32V Audio Power Amplifier Module for DIY Bluetooth Speaker : Electronics
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Amazon.com: Bluetooth Power Amplifier Board 2.0 Dual Channel Stereo Wireless Mini Amp Module with Protective Shell(XY-P15W) : Electronics
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