Wide voltage power supply of 12-85VDC, ensuring compatibility with power sources. 9-channel one-to-one trigger interface, capable of triggering up to 9 tracks with low-level signal triggering. Supports MP3 and WAV decoding formats with audio file sampling rates up to 48kHz for high-quality sound. Built-in 20W Class D amplifier, directly driving 4-8 speakers with a power range of 5W-20W. USB connection for easy audio file changes, with onboard 64MBITS (8MBYTES) FLASH storage. The DY-HF20W is a versatile media player designed for applications, featuring adjustable volume and support for external indicator lights. It offers multiple trigger modes set via DIP switches, making it suitable for different scenarios. The device is user-friendly, allowing seamless integration with computers for audio file management. Color: As Shown Material: Plastic+Metal Package Contents: 1*Player 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.