03803 - Kit modul amplificator audio 2.1, 2x50W + 100W, Bluetooth V...
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XH-M422 DC 12-24V TPA3116D2 50W + 50W Bluetooth 4.0 Amplifier Board Mo – ImportedElectronics.com
XH-A851 A Analog Circuit Amplifier Board TIP41C+TIP42C 15Wx2 Duals Channel Stereo Audio Amplifier Module DC24V 2A - Walmart.com
Amazon.com: Bluetooth Amplifier Board 2.1 2X50W+100W 12V-24V Audio Power Amplifier Module Bass and Treble Control for Store Home Theater Speakers with Antenna : Electronics