4inch wall amplifier Specifications:
● CPU Model: Cortex 1.2G, 1.2G Quad-Core
● Network: WiFi
● Speaker Output: 4-8Ω
● Audio Source: WiFI, Bluetooth, USB/TF Internet Radio
● Output Power: 4x25W
● screen size: 4 inch IPS display
● Frequency Range: 20Hz-20KHz
● Audio S/N Ratio: ≥98dB
● Bluetooth Distance: 10 meters
● IR Remote Control Distance: 8 to 10 meters
● Power Supply: AC 90V-250V/50Hz-60Hz
● Product Dimension: 86*86*10mm
● One way Bluetooth, the bluetooth of this device can only be connected to mobile phones/tablets and other bluetooth devices who’s Bluetooth function is two way to play and control the music, CAN NOT be connected to the bluetooth ceiling speakers or TV(one way bluetooth) by bluetooth directly.

Coaxial Ceiling Speaker Specifications:
● 5.25” Coxial Ceiling Speaker 25W
● Frameless Narrow Edge Shell in Fashio Design
● Rated Power: RMS 25W
● Peak Power: 60W
● Impedance: 8Ω
● Sensitivity: 90dB
● Fiberglass basin in silver color
● 25-core silk tweeter
● Two-way frequency division circuit
● Installation Cutout Size: Φ180mm
● Product Size: Φ206x86mm
● Net Weight: 1.02kg
● Gross Weight: 1.5kg

Features:
● Android 10.0 System
● 480 * 480 IPS screen
● RAM: 2G
● ROM: 16G
● XA9220 Amplifier chip
● OTG-USB disk, Video player, Audio in, Audio out, Timer function, RJ45 port
● Bluetooth name can be customized by yourself
● Support more than 150 languages worldwide
● Support Google Play Store, YouTube, Spotify and other software
● Support Amazon alexa voice control
● Surpport E-share to connect to your mobile phone control, remote control
● With standard cover

PACKAGE INCLUDED:
1 x WiFi Wall Amplifier
4 x Ceiling Speakers
1 x Installation Box 
1 x Installation Bracket 
1 x Installation Screws 
1 x Remote Control