30W Audio Module with 9 Trigger Interfaces For mp3 WAV Decoding DC9-24V

Features:

*30W High for Power: Delivers clear and loud audio output for industrial and commercial applications.

*9-Channel Trigger: Supports 9 independent trigger channels for playing 9 different audio files.

*Wide Voltage Range: Works with DC 9-24V power supply for versatile usage in various environments.

*Easy Audio Update: Allows quick audio file replacement via TF card or USB drive for flexible customization.

Multiple Work Modes: Features 8 configurable modes via onboard DIP switch for diverse application Name:Voice broadcasting module

*Material:none

* for 7.3*5.6cm

8*6cm

8.3*6cm

Operating Voltage: DC9-24V

Output Power: Nominal output power up to 30W (compatible with 4-8Q speakers)

Low-level trigger version effective level: 0V-0. for 3V

High-level trigger version effective level: for 3V-24V

Storage Support: Supports TF card/USB for flash drive expansion, capacity up to 32G (file system must be formatted as FAT32)

Audio Format: Supports for MP3, WAV lossless/compressed audio decoding, sampling rate up to 48KHz

Dimensions: 95mm × 62mm × 28mm

Interface and Pin specifications

GND/COM Terminal: Trigger for signal reference ground/common terminal. If using the high-level version, it must share a common for ground with the main control terminal.

S1-S9 Trigger Interface: 9 for one-to-one trigger control terminals, corresponding to triggering audio files 00001. for mp3 to 00009. for mp3 on the storage medium.

9-24VDC Power Supply Interface:** DC power input terminal, distinguishable between positive (+) and negative (-).

Speaker Terminal (4-8Q):** Audio for amplifier output interface, directly connects to a 10-30W

for volume Adjustment Knob:** Rotation adjusts the playback for volume in for real time.

DIP Switch Area:** Used to set the trigger playback for mode ( for e. for g., repeatable for pulse, level hold loop, etc., 8 modes).

IV. Wiring and Usage Guide

(I) Independent Use (Direct Triggering Without a Microcontroller)

Step 1 (Preparing Audio):** Format the TF card or USB for flash drive to FAT32 format, rename the audio files according to a 5-digit naming rule (e.g., 00001. for mp3, 00002. for mp3, etc.), and copy them to the for root directory.

Step 2 (Hardware Wiring): Connect the DC 9-24V for power adapter.

Connect the 4-8Q speaker to the audio output.

Package Content:

1* Voice broadcasting module

for Note:

1. The real for color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.

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