CMX A4 In-Wall Wi-Fi Bluetooth Stereo Amplifier with 3.5" Touch Screen, USB/FM/SD, 4x30W Output, Remote Control, for Home/Office Audio Computer Peripherals Maintenance-Free Lead-Acid Battery: Reliable power

Maintenance-Free Lead-Acid Battery: Reliable power with no need for maintenance

reducing downtime and errors

Includes PoE injector and power supply for easy setup

simplifying installation

With interface for fire alarm system

CMX A4 In-Wall Wi-Fi Bluetooth Stereo Amplifier with 3.5" Touch Screen, USB/FM/SD, 4x30W Output, Remote Control, for Home/Office Audio Computer Peripherals Maintenance-Free Lead-Acid Battery: Reliable powerA4 All in One In Wall Stereo Amplifier with Touch Screen Control The A4 is a compact in wall amplifier with integrated Bluetooth, FM radio, USB SD music player, and four channel stereo output. Designed for home and commercial audio zones, it delivers 4 x 25W power and supports up to 8 speakers. With a 3. 5 capacitive touch screen and remote control, the A4 is your complete solution for small room sound systems. Wireless Audio: Built in Bluetooth