AJMRTC DYF20L 9Channel LowLevel Trigger Voice Playback Module, 635V WideVoltage 20W ClassD Amplifier with 32Mbit Flash & Micro USB Port for Exhibition Audio Broadcast DIY Projects

AJMRTC DYF20L 9channel trigger voice module is dedicated for automated audio playback in exhibition, equipment prompt and DIY voice projects. It adopts lowlevel trigger mode for nine independent signal input channels, each channel can call corresponding prestored audio content. Integrated 20W ClassD amplifier can directly drive matched speakers, simplifying overall system construction. Wide DC 635V power input allows flexible power selection in different installation environments. 32Mbit onboard flash memory stores audio resources, and MicroUSB port enables fast uploading of MP3 audio files and function parameter setup. Users can configure trigger logic and playback mode according to application requirements. This bare circuit module is widely used for exhibition booth voice prompts, industrial device audio alarm, intelligent equipment voice broadcasting and other embedded audio projects. Corresponding speakers and DC power supply need to be prepared separately.

Model: DYF20L Trigger Channel: 9Channel LowLevel Trigger Builtin Amplifier: 20W ClassD Amp Input Voltage: DC 635V Onboard Storage: 32Mbit Flash Data Interface: MicroUSB Main Function: Triggered Audio Playback Typical Application: Exhibition Broadcast, Equipment Voice Prompt Load Requirement: External Matching Speaker Required Product Form: Bare Voice Playback Circuit Module Remarks: Audio files need to be uploaded via MicroUSB