Portable Smart Background Sound System With Bluetooth, Remote And Usb

Smart Home Audio 4*20W BT Wall Amplifier Sound System Stereo Sound Player PA System Ceiling Speaker Cheap Set Loudspeaker
Wall Amplifier Audio Sound System Hardware Parameters:
Full Screen Touch
Maximum Power Per Channel: 25W
Name: Music Controller
Type: Bluetooth Wall Amplifier
Output Power: RMS 4x20W
Output Impedance: 4-8Ohm
T.H.D.: 0.03%
Frequency Response: 20Hz-20KHz
Audio S/N: 98dB
Memory Card: up to 32G
Size: 86*86*11mm
Color: White,Gold,Black

6'' Framless Stereo In-Ceiling Speaker in Mini Size
Power 15W
Input: 8Ω
Speaker Unit: 4.5''x1
Sensitivity (1W/1M): 89dB ± 3dB
Material: plastic frame + iron mesh cover
Frequency Response: 100Hz-16KHz
Installation Cutout Size: Φ148mm
Dimension: Φ160x56mm
Product size: 160*160*57mm
Net Weight: 0.42KG

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.

Package include:
1. 4inch amplifier device
2. ceiling speaker *4
3. remote control
4. mounted box, bracket and screw

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