General description This Bluetooth Amplifier Board Module features a TPA3116D2 Class D chip, delivering HiFi sound with distortion levels below 0.1% even at high power. It includes a built-in filter capacitor that effectively reduces noise, ensuring clearer audio output. With dual audio input modes, you can connect via Bluetooth 5.0 or through a headphone input (AUX), allowing for versatile usage. Technical specifications Power Output: 2x50W Operating Voltage: DC 5V-27V Speaker Compatibility: 4/8 ohm, 30W-200W (recommended 30W-50W) Modulation Frequency: up to 1.2MHz Bluetooth Range: up to 15 meters Other information Protection Features: connection protection reverse, over voltage protection, under voltage protection, over temperature protection, short circuit protection Volume Control: potentiometer with switch for easy adjustment Applications: suitable for DIY speakers, home theater, and square speakers