Product Features:
1. 9-24V wide voltage power supply
2. 9-channel one-to-one triggering interface, triggering up to 9 tracks
3. High level trigger version, low level trigger version
4. Supports MP3 and WAV decoding formats, and supports audio file sampling rates up to 48KHz.
5. Support TF card (maximum 32G), U disk (maximum 32G) storage, TF card and U disk must be in FAT32 format
6. Audio files can be changed by connecting to the computer via USB data cable.
7. Comes with 30W Class D power amplifier, which can directly drive 4-8Ω, 10-30W speakers
8. An external warning light can be connected. The voltage of the warning light must be consistent with the power supply voltage.
9. DIP switch sets 8 trigger working modes
10. Volume potentiometer to adjust the volume
11. Optocoupler isolation (high level version)
Illustrate:
9-way switches control the playback of 9 tracks one-to-one
1. Level triggered playback
2. Pulse trigger playback
3. Interruption
4.Play/Stop
5. Switch playback of previous/next song
6. Automatic playback after power-on (MP3 mode)
7. Loop playback
8.Single stop playing
9. Trigger first, play first
10. Trigger playback without interrupting
11. Stealing trigger play
Note:
1. After setting the DIP switch, you must power on again to enter the newly set mode.
2. For MP3 mode applications, it is recommended to use the low-level version. S1-S7 is effective for GND function.
3. When applying in interstitial mode, background music is stored in the root directory, and interstitial music must be placed in the "CHABO" folder.Replace the stored audio file:After inserting the memory card, connect it to the computer with a data cable. It will be recognized as a USB flash drive and you can directly copy the audio files.
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, for example: 00001.mp33. The memory card and U disk must be in FAT32 file system format and do not support NTFS file system format.