Description of this 30-way MP3 player board
This product uses WT9501M03 as the voice processing core, matches MAGE8 MCU, supports 30 independent voice triggers, supports playing 44.1KHz MP3 audio and WAV audio, supports SD card to store voice files, does not need to cooperate with computer software operation, voice replacement is convenient, supports stereo audio output, excellent sound quality, built-in double TDA2030A power amplifier circuit, provides abundant push-pull current to drive. Move the speaker. It has stable performance and can be used in many industrial occasions.
Advantage of this 30-way MP3 player board
★Support the most popular MP3 format audio playback in today's network, so that audio sources are more abundant;
★SD card is used to store information, which can support up to 2G memory card.
★There is no need to install other editing software, just edit the file name of MP3 in SD card, and it can be directly on demand.
★30 channels independent audio on demand, more rapid attacking;
★MCU control circuit, the operation is simpler, the performance is more stable;
★Dual-channel stereo DAC 24bit 196KHz audio decoding to ensure the fidelity of voice information;
★The power of each channel can reach 10W in the audio post-stage amplification, which makes driving easier.
★Wide range of power supply, supporting 9 ~ 18V AC and DC voltage input;
Pictures of this 30-way MP3 player board
Connect 30 buttons for playing 30 different mp3 files in the SD card .
How to copy the mp3 files to the SD card？
Create a new folder and rename it as “ advert01” on computer,( the device only can play the files in this advert01” folder.
Put the mp3 files into the folder advert01, which will play on the board. And rename the mp3 files as 001XX.mp3 , 002XX.mp3 ,003XX.mp3….. See following picture . Button S1 play 001XX.mp3, Button S2 play 002xx.mp3 …..Button S10 play 010xx.mp3.
New build a text file in the folder “advert01”, and open the text file and input number “ 1 ”, then save the file, and rename the file name as “cof.mp3”. This is the system file, and the device will not play it. Before copy the folder “advert01” from PC to the SD card, please format the SD card to FAT format. And the SD card should be 32MB / 64MB/ 128MB /256MB / 512MB / 1GB(the device will not work with FAT32 system).
Parameters of this 30-way MP3 player board
★Operating voltage: AC8 ~ 18V，or DC8~18V
★Rated output: 10W × 2 (RL = 8Ω d = 1%)
★Frequency response: 20 ~ 20 KHz
★Voltage noise: ≤ 50MV
★S/N(signal to noise ratio): ≥ 86db
★Plate Size: 150 × 80mm
Looking forward to your inquiry for this 30-way MP3 player board