Trierable MP3 Sound Module Audio Player 20 Input MP3 Soundboard with Stereo Ouput 2 x 25Watts Amplifier

Features

1. A negative trier version or a positive trier version can be selected.

2. Built-in a high quality 24bit of audio with stereo audio output.

3. Supports to play audio files of MP3 and WAV formats.

4. On-board a high quality 2 x 25 Watts cla D amplifier to directly connect with two 8 speakers of 10-25 Watts, for left and right .

5. Built-in a 16Mbytes f memory that can store about 16 minutes of MP3 files of 128Kbps.

6. Supports maximu2GB micro SD card and micro SD card is detected and applied in priority.

7. When a micro SD card is inserted and the module is connected with computer through the USB, computer will read the micro SD card directly.

8. When a micro SD is inserted, the module always plays the audio files from the micro SD card.

9. Playback of the ‘one-on-one' aociated audio files are triered by GND or negative to any of the 20 input terminals.

10. Poible playback of 255 MP3 / WAV audio files per 20 ‘one-on-one’ aociated folders through negative trier.

11. Four select-able triering modes are provided through a configuration file.

12. Supports audio output to an external amplifier through the 3.5mm audio .

13. Separate volume control for each sound (only for on-board amplifier).

14. Wide range for power input DC (9V-24V).

15. Industry-grade design and strong anti-jang capability.

16. size: 80mm x 60 mm.x 12mm

Technical s

1. Power input: DC 9V-24V

2. Rated output: 25W×2 (RL= 8 Ω d =1%)

3. Noise Voltage: ≤50m V

4. Frequency response: 200-18KHz

5. SNR: ≥ 90dB

Connection Diagrams

1. Negative trier version