20W Bluetooth 5.0 Power Amplifier Audio Decoder Board 3.7V/5V Independent Reverberation Support FM AUX

- Support U disk and TF card playback, support multiple kinds of format solutions (MP3/WAV/APE/FLAC), MP3: sample rate / 8 ~ 48K. code rate / 8 ~ 448Kbps, bit width / 16bits, channel / mono Channel-stereo; WAV: Sample rate / 8 ~ 48K, format / WAV ima / Mic rosoft ADPCM / WAV PCM, bit width / 16bits; FLAC: sampling rate / 8 ~ 48K, bit width / 16bits; APE: FAST / NORMAL encoding, Bit width / 16bits.

- Supports auxiliary signal input (AUX) and can adjust volume

- Support FM radio (FM)

- Support digital tube display working status and playing time

- Support card reader function

- Support USB sound card function

- Support infrared remote control

- Bluetooth is based on CLASS 2 power level, with Bluetooth version 5.0, compatible with Bluetooth 4.0 and below.

- Bluetooth supports L2CAP/A2DP (AVCTP/AVDTP/AVRCP) protocol for receiving stereo audio signals, and can control the up and down and playback/pause operations of the audio transmitter through the protocol.

Use debugged PCB antenna without re-matching the antenna

- D/AB class conversion, digital audio amplifier