{"title":"HIFI Digital Bluetooth Amplifier-50W*2","handle":"hifi-digital-bluetooth-amplifier-50w-2","url":"/products/hifi-digital-bluetooth-amplifier-50w-2","description":"A HiFi digital power amplifier board with Bluetooth 5.0 and AUX input, delivering 50W per channel in a dual-channel configuration. With AM interference suppression and filtering, the board achieves THD as low as 0.1% even at sustained high-power output, producing clear, detailed sound.\n\nThe board includes protective panels on both sides and comprehensive protection circuitry. It works with 4–8 ohm passive speakers (30–200W) and can connect wirelessly to Raspberry Pi, smartphones, and other Bluetooth-enabled devices.\n\nKey Features\n\n\n50W × 2 Output – Dual-channel amplification for stereo sound\n\nBluetooth 5.0 – Wireless audio streaming from phones, Pi, and other devices\n\nAUX Input – Wired audio connection option\n\nLow THD – 0.1% distortion with AM interference suppression and filtering\n\nVolume Control Knob – Onboard potentiometer for level adjustment\n\nProtective Panels – Top and bottom acrylic covers included\n\n\nSpecifications\n\n\nOutput Power – 50W × 2 channels\n\nOperating Voltage – DC 5–27V\n\nSpeaker Impedance – 4–8 ohm\n\nSpeaker Power Rating – 30–200W passive speakers\n\nTHD – ≤0.1%\n\nInput – Bluetooth 5.0 + AUX\n\n\nProtection Features\n\nOvervoltage protection\nUndervoltage protection\nOverheating protection\nShort circuit protection\nDC detection\n\n\nIdeal For\n\nDIY Bluetooth speaker builds\nRaspberry Pi audio projects\nDesktop and workshop audio systems\nCustom HiFi amplifier builds\n\n\nPackage Contents\n\n1× HiFi Digital Bluetooth Amplifier Board (50W × 2)\nProtective panels (top and bottom)\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3450,"title":"Default Title","sku":"DF-DFR0803","price":26.76,"on_sale":false,"in_stock":true,"available_quantity":229,"option1":"Default Title"}]}