4-CH Bluetooth wall amplifier with Android

This 4-channel small bluetooth multi-home audio system
equipped with micro USB/TF can power 4 pieces of speakers in
your home or small commercial area. It uses a high- efficiency
class-D amplifier for a maximum output of 4*20 watts, lowimpedance
speakers. The cool display shows relevant track music
info. Plus, you can control everything –seek, change tracks, and
adjust the volume – using the included wireless infrared remote

1. 7 inch touch screen for easy access and control of the system
2. Multi-protocol smart home docking including 485, WIFI, etc.
3. Can install Spotify, Pandora music APPs to play real time music via WiFi
4. Support for external Bluetooth devices such as mobile phones to
achieve audio playback, two-way control of playing external Bluetooth
device music.
5. Support wireless microphone and family karaoke (optional function);
6. Support audio input and output function; support subwoofer access;
7. Support TF card and OTG 2.0USB interface, USB can be connected to
the hard disk;
8. Suitable for homes, commercial areas, kid’s room, etc.
9. With RS 485 control

Output power 4*20W
Max. power 4*40W
Speaker Impedance 4-8ohm
System Android 7.1
Network WIFI
CPU ARM Quad-Core Cortex-A35 1.2GHz
Display 7inch HD touch screen
Resolution 1024*600 IPS
Bluetooth wireless range 10M
THD 0.03% (1W.1KHZ)
Frequency response 20 Hz-20 kHz (+/-2dB)
SNR 98db
Music format Mp3, WMA, WAV, AAC, WAW, APE, OGG, etc.
Video format MPEG-1/2/3/4, RM/RMVB, WMV, MOV, MK, VOB, AVI, 3GP, H, 264, etc.
Power Requirements 110-250VAC
Wiring box size 110*175*59mm
Product size 129*184.6*10.5mm
Weight 0.7kg



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