wall amplifier board 4 Channel Smart Home Audio Wireless Bluetooth-compatible Mini Multifunction Stereo Board Hifi with Fm Radio

Bluetooth Wall Amplifier Specifications: 
● Output Power: RMS 4x20W 
● Output Impedance: 4-8Ω 
● T.H.D.: 0.03% 
● Frequency Response: 20Hz-20KHz
● Audio S/N: 98dB 
● Memory Card: up to 32G 
● Size: 86*86*11mm

Bluetooth Wall Amplifier Funtions: 
1. Timed message: set the time to automatically play the message content 
2. Support power on automatically play songs 
3. Power-off memory function: remember the state played before the last shutdown 
4. Sound function: support ordinary, rock, classical, jazz, pop and other sound effects 
5. Support trigger doorbell function, DB+GND 
6. Support linkage trigger to play music, GND+ trigger playback 
7. Support linkage triggering boot, GND+ trigger playback, expenditure trigger shutdown, GND+ timing output
8. Supports timing output level signal linkage with other devices, GND+ timing output
9. Time switch machine, custom timing boot song

Package include:
1. wall mounting amplifier
2. remote control
3. mounted box, bracket and screw

Kindly remind:
1. SKU model: 425B amplifier and 420B amplifier is just different from the screen picture, all functions and details are the same.
2. Language: Only supports English and Chinese.
3. One way Bluetooth, the bluetooth of this device can only be connected to mobile phones/tablets and other bluetooth devices who's Bluetooth function is two way to play and control the music, CAN NOT be connected to the bluetooth ceiling speakers or TV(one way bluetooth) by bluetooth directly.






Please Note:
In some country, the FM Radio Function may not works well, because the signal may be affected due to different frequencies in different countries and regions.

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