N9200 is a serial MP3 chip, the perfect integration of the WMV, MP3 hard decoding. At the same time, the software supports TF card driver, supports the computer directly to update the contents of flash FAT16, supports SPI, FAT32 file system. Through the simple UART serial command line or a line of instructions to complete the play music, and how to play music and other functions, without the need for the bottom layer operation, beautiful sound, easy to use, stable and reliable is the biggest feature of this product. In addition, the chip is also a deep customization of products, designed for the fixed voice broadcast field development of low-cost solution.

Specifications:

• Supported Sample Rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48. Beautiful sound, stereo. 
• 24-bit DAC output, the internal DSP hardware decoding, non-PWM output, support dynamic range 90dB, 85dB SNR support 
• fully supports FAT16, FAT32 file system, maximum support 32G TF card, U disk support 32G of 
• variety of control modes, UART serial mode, serial line mode, AD key control mode 
• Broadcast language spots feature, you can pause the background music is playing, song playback support under the specified path, drive cross-stream support, ahead of the end-stream support 
• specified time to play 
• assign a drive letter to play, specify playback tracks 
• 30 level volume is adjustable, 5 adjustable EQ (NORMAL-POP-ROCK-JAZZ - CLASSIC) 
• specified path playback (Support English) 
• Folder Switching 
• specified period repeater 
• control computer sound card support, support USBmass storage 
• supports triggering not interrupt play 

Application:

• car navigation voice broadcast 
• road transport inspectors, toll voice prompts
• railway stations, bus safety inspection voice prompts
• electric power, telecommunications, finance and business offices voice prompts
• the vehicle into and out of the channel to verify the voice prompts
• frontier inspection channel voice prompts
• multi-channel voice alarm or voice guidance equipment operation
• electric sightseeing bus safety with voice announcement
• lectrical and mechanical equipment failure automatic alarm
• voice fire alarm
• automatic broadcas equipment, broadcast regularly