General description The 4pcs 2X25W 50W Amplifier MP3 Player Decoder Board is a versatile audio module designed for car and home use. It features Bluetooth 5.0 connectivity, FM radio, and supports various playback modes including USB, TF card, and AUX. With a power output of 2 x 25W, this decoder board delivers high-quality sound and supports multiple audio formats. Technical specifications Power supply: 5V-12V Audio frequency range: 87.5-108MHz Size: 93 x 36mm Material: Plastic Color: Black S/N ratio: Greater than 70dB Supported audio formats: MP3, WMA, WAV, APE, FLAC Compatibility and accessories Package Contents: 4 x Decoder Board 12 x 2P Power Cord 4 x 1P Radio Antenna 4 x Remote Control Installation Connect the power supply (5V-12V) to the decoder board. Attach the radio antenna for FM reception. Connect external devices via USB, TF card, or AUX as needed. Usage Press PREV/VOL- to decrease volume or go to the previous song/station. Press PLAY/PAU to play or pause the current