DY-SV8F is an intelligent voice playback module that integrates IO segment trigger, UART serial port control, ONE_line single-bus serial port control, standard MP3 and other 7 working modes, simple DIP switch settings; onboard 5W class D power amplifier, can directly Drive 4 ohm, 3~5W speakers; support MP3, WAV decoding format, onboard 64Mbit (8M bytes) Flash storage, can connect to computer via USB cable to update Flash storage audio files. Support MP3, WAV decoding format. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48. 24-bit output, dynamic range supports 90dB, signal-to-noise ratio supports 85dB. Onboard 64Mbit (8M bytes) FLASH memory, no memory card required. Comes with 5W class D power amplifier, which can directly drive 4 ohm, 3~5W speakers. The UART serial port controls broadcast function, which can control play, pause, song selection, volume addition and subtraction, etc. The maximum selection of songs is 65535 songs, and the baud rate is 9600 bit/s. Support IO trigger playback function, 8 IO ports individually trigger 8 tracks or 8 IO ports trigger 255 tracks in combination. Support One_line single-bus serial port control, which can control functions such as play, pause, song selection, volume addition and subtraction. Support 3 configuration IOs for up to 7 working modes selection, DIP switch settings, easy to operate. Product Name:DY-SV8F Voice Playback Module Product Number:DY-SV8F Work Voltage: DC 5V Working Temperature range:-20℃~85℃ Working Humidity range: 0%-95%RH Size:35x35x4.5mm Colour: blue Material: PCB+metal Package Contents: 3 x DY-SV8F Voice Playback Module Only the above package content, other products are not included. Note: Light reflection 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.