The Calrad 95-2035-IR digital amplifier provides many solutions for residential and commercial single-multi zone audio applications. It’s small compact size makes it perfect for behind displays, cabinets and equipment racks where space is limited. Perfect for use in offices, classrooms or conference rooms, etc. Optional external IR receiver control or direct IR input for connecting to IR repeater\distribution systems or 3rd party control\automation products. High efficiency class ‘D’ technology with low power consumption circuitry for distortion free reliable audio reproduction. IR controlled power, volume up, volume down, mute. Visual L.E.D. indicators for power, IR status, mute and audio output level. The volume control rotates manually or moves automatically when using the IR remote control.