General description Bluetooth 5.0 Audio 300W Amplifier Board D300 is a versatile audio amplifier module designed for car media players. It supports various audio formats and offers multiple features for an enhanced listening experience. Technical specifications Working voltage: AC 220V or DC 12V-24V Rate Power: 100W Power Output: 100W-300W Speaker compatibility: 4-8 ohm, power less than 200W Voltage: AC 100-240V Dimensions measurement error: +/- 1-3cm Color: Black Material: Metal + Plastic Compatibility and accessories Supports MP3/WAV format Supports reading MP3 songs from TF card and U disk Includes: 1 x Amplifier Board, 1 x AC Power Cable, 1 x Audio Cable, 1 x Remote Control (1 x button battery not included) Wireless microphone board support (not included) Installation Plug Type: US Plug (compatible with Canada, India, Mexico, Thailand, the Philippines, etc.) Can be connected to computer, phone, or CD via AUX audio input Usage Adjustable treble, bass, and master volume Dual