Power input and compatibility DC 924V wide voltage power supply Trigger interface and control Nine independent trigger channels with onetoone mapping to outputs, enabling up to nine audio tracks or zones Low level trigger version that uses GND as the trigger signal for simple integration with common control systems Audio formats and performance Supports MP3 and WAV decoding formats Audio sampling rates up to 48 kHz, suitable for standard playback quality Key benefits Flexible multizone playback: control up to nine separate audio channels from individual triggers Easy system integration: low level trigger option using ground signal simplifies wiring to controllers and sensors Broad file compatibility: works with common MP3 and WAV files, preserving standard audio quality up to 48 kHz Applications and use scenarios Museum or gallery installations: trigger ambient audio or exhibit explanations across multiple zones from a central controller Retail displays or trade show booths: drive distinct audio for each display area, synchronized to customer interactions Interactive rooms or events: manage multiple audio cues for different scenes or activities using separate trigger inputs Notes Please ensure compatible trigger devices provide appropriate control signals for the nine channels Use standard MP3 or WAV files at up to 48 kHz to achieve expected playback performance