Bluetooth Wall Amplifier Parameters:
● 2.8-inch Display, 320*240 Resolution
● Key Touch
● Power Supply Mode: AC 110-250V

● Output Power: 2*25W or 4*25W 
●Audio Inputs one set; Output one set
● Bluetooth: Support
● Installation: 86 standard wire box, front wall
● Wire Box Opening Size: 86*86*57mm

Bluetooth Wall Amplifier Function:
●Radio Function
● Support TF card, USB Play
● 2 or 4 channel Speaker Output
● Support departure doorbell
● Multi-stage timing switch, music play
● Supporting power-off memory, power-on and trigger music play