Key benefits - Simple wiring with GND trigger: low level trigger version uses ground as the trigger signal for straightforward integration. - Flexible power options: accepts DC 9-24V supply to fit a wide range of installations. - Broad audio format support: decodes MP3 and WAV files, with audio sampling rates up to 48 kHz for compatibility and good sound quality. - Multi-channel trigger: 9-channel one-to-one trigger interface, capable of triggering up to 9 music tracks. Specifications - Trigger signal: low level, uses GND as trigger signal - Power supply: DC 9-24V wide voltage range - Audio formats: MP3 and WAV decoding - Audio sampling rate: up to 48 kHz - Trigger interface: 9-channel one-to-one - Output capability: triggering up to 9 music tracks Use scenarios - Live performances and stage cueing: connect to controllers or trigger devices to initiate specific audio cues or background music on demand, with reliable multi-channel triggering. - Interactive installations and exhibits: synchronize different audio zones by triggering multiple tracks from a single controller or sensor network, enhancing user experience. - Escape rooms and educational demonstrations: drive sequential or conditional audio playback across multiple rooms or stations to guide participants or provide information. Note: This description preserves the original function, compatibility, and triggering capabilities while presenting the information in a clear, customer-friendly format.