SP-CBT651

In 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