Product overview: DY-F5WL is a one-to-one segment trigger control player; low-level signal trigger; support MP3, WAV decoding format; can segment trigger 9 tracks; 3.7-5VDC wide voltage power supply, direct drive 4-8Ω speaker, the maximum output power is 5W; onboard 32Mbit (4MByte) flash storage, connect the computer to change the audio file through the USB data cable; the volume can be adjusted; a variety of trigger working modes can be set, suitable for many scene applications Product characteristics: 1. 3.7-5VDC wide voltage power supply 2. 9-way one-to-one trigger interface, triggering up to 9 tracks 3. Low-level signal trigger (S1...S9 and GND short-contact trigger) 4. Support MP3, WAV decoding format, support audio file sampling rate up to 48KHz 5. The audio file can be connected to the computer through the USB data cable, and comes with 32Mbit (4MByte) flash storage 6. Comes with 5W Class D power amplifier, which can directly drive 4Ω3W, 8Ω1W speakers 7. DIP switch to set 8 trigger working modes 8. Volume potentiometer to adjust the volume Note: 1. After the DIP switch is set, it must be powered on again to enter the newly set mode to work 2. MP3 mode application, S1-S7 is valid for GND function 3. In the application of the insertion mode, the background music is stored in the root directory, and the insertion music must be placed in the "CHABO" folder Notice: 1. Be sure to use a data cable. Some USB cables are power cables and cannot carry data. 2. The audio file name must be 5 digits Material: plastic colour: black Package Contents: 1 x 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.