●Integrated network audio decoding, digital amplifier and speaker.
●High-fidelity speaker and stereo class D power amplifier.
●Loop detection function, which can remotely monitor the working status of the speaker and make it easy to maintain.
●Speaker sound detection and sensing system, which can remotely monitor whether the speaker sound is normal.
●Built-in IC card data backup slot, which can store backup speaker data through IC card, and automatically configure the original data when replacing the cabinet.
●Remote update of terminal support service software.
● TF card storage, the platform can remotely issue audio files, and can trigger playback and remote playback locally.
●IoT interface: 3 channels I/O, 1 channel RS232 transmitter, 1 channel RS232 input.
●Local audio input and output, can be connected to an external call button or external audio source input.
●Automatic power-off without signal, automatic opening when there is signal, support service software to adjust the volume.
●Built-in clock chip, support offline playback and offline timing playback function.
Physical Parameters:
Unit combination: 15W 5-inch full-range ×2, 10W horn tweeter ×1
Interface: AC220V power ×1, RJ45×1, IC card slot ×1, external expansion interface (10 ports)
Sensitivity: ≧85db
Distortion: <1.5%
Signal-to-noise ratio: ≧60db
Frequency response: 80Hz~16KHz
Silent period of power amplifier without signal delay: 1 second
：Building 3, Baizhong Creative Park, No. 240 Shilian Road, Panyu District, Guangzhou,Guangdong，China
：+86 13928186280（Same WeChat/Whatsapp account）
：+86 20-34702140 
