colour:Blue DY-SV5W Voice Playback Module Board: IO control trigger to play up to 255 tracks UART control triggers to play multiple 65535 tracks OneLine single bus control trigger playback Dip switch setting to easily switch 7 working modes Onboard Class D 5W power amplifier direct drive 4~8Q speakers Support TF card up to 32G USB directly copy track files Specify tracks to play Name: Voice Play Module DY-SV5W Material:abs Size:about 4 x 4cm DY-SV8F Voice playback module: Support 3 configuration IO for up to 7 working mode selection, dial switch settings are simple. Type: Voltage Regulator Model Number: DY-SV8F Voice playback module Application: MP3/MP4 Player Material:plastic size:40 x 40mm Package Contents: 1 x DY-SV8F Voice playback module 1 x DY-SV5W Voice Playback Module Board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1. Support MP3 and WAV decoding formats. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48. 4. Support IO trigger playback function, 8 IO ports trigger 8 tracks or 8 IO ports to trigger 255 tracks. Support One_line single bus serial port control, can control playback, pause, song selection, volume addition and subtraction and other functions. 2. 24-bit output, dynamic range support 90dB, signal-to-noise ratio support 85dB. Fully support FAT16/FAT32 file system, maximum support for 32G TF card. 2 PCS Module: 1 x DY-SV8F Voice playback module & 1 x DY-SV5W Voice Playback Module Board 3. Comes with 5W class D power amplifier, can directly drive 4ohm, 3-5W speakers. UART serial port control voice broadcast function, can control playback, pause, song selection, volume addition and subtraction, etc., the largest selection of 65,535 songs, baud rate of 9600bit / s.