Triggerable Audio Player with 4 Input Channels, MP3/WAV Decoder, 8MB Flash, Wall Mount Speaker, 10W Amplifier

This triggerable audio player features 4 input channels, each triggered by a negative pulse or GND (low-level signal). It is equipped with a high-quality audio decoder chip that supports both MP3 and WAV formats. The built-in 8MB flash memory stores up to 8 minutes of MP3 audio at 128Kbps, and you can easily expand storage with a micro-SD card up to 32GB. Loading audio files is simple — just connect via USB to your computer, and it appears as a USB drive; no extra software needed. Each input channel can be individually configured through a configuration file, allowing flexible trigger modes. The player can be controlled by buttons, switches, or relays. A built-in 10W Class D amplifier delivers clear sound, and a small blue potentiometer lets you adjust volume. It operates on a wide input voltage range of DC 9-24V, ensuring stable performance. Designed with industrial-grade components, it offers strong anti-interference capability. Specifications: - Working voltage: DC 9-24V - Working current: ≥1000mA - Standby current: ≤10mA - Power consumption: ≤10W - Flash memory: 8MB - Audio format: MP3/WAV - Color: As shown - Material: Plastic + Metal Package includes: 1 x Triggerable Audio Player Note: The actual color may vary slightly due to lighting and display settings. Measurement error is within ±1-3cm.