Bluetooth Wall Amplifier Smart Home Audio Mini Touch Screen 4*20W Stereo Sound Music Panel PA System Loudspeaker Ceiling Speaker

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

1. Speaker: Speaker wire (200 cores). RVH2X100,RVH2X200 connect to SPK R+ SPK R-.
2. Audio output wire: Audio wire (three core shielded wire: commonly known as microphone wire). RVVP2X0.5, RVVP2X0.75 connect to OUT R +OUT L+GND. Can be connected to other amplifiers.
3. Audio input wire: Audio wire (three core shielded wire: commonly known as microphone wire). RVVP2X0.5, RVVP2X0.75 connect to AUX L+AUX R+GND.
4. Video output: Connect to GND+ATV for video output.
5. Trigger the doorbell: Connect to GND+DB to trigger the doorbell.

6. FM: Radio antenna
7.USB: External OTG USB, can read U disk with adapter.
8.TF card: Read TF card interface.
9.Power switch: long press for 2 seconds to turn on, long press for 2 seconds to turn off,  short press for lock screen / unlock.
10.Volume down key
11.Volume up key
12.Microphone
13.Power supply terminal: Connect AC110V-240V power supply.