The 1A-25W-BW is a Compact Wall mountable 2x 25W Audio Amplifier, with RS232 Control in a white finish. This stereo amplifier has both balanced and unbalanced analogue inputs. The efficient class-D stereo amplifier provides 25W per channel into a pair of 8ê¥ speakers. It is configurable to work in either Mono/Stereo modes for compatibility with various speaker configurations, and is able to work with loud speaker load impedance of between 4ê¥ and 8ê¥ per channel. The Limitless Rotary Dial provides a quick and easy control point for any room setup along with Level status LED's. Rotate for Volume Up/Down and Push to Mute/Un-mute. DIP Switch 2 on the rear of the unit can choose the mode of the front panel LED display, between Volume or Channel Balance. The 1A-25W is fully controllable via RS232, this includes Absolute Volume which can be crucial for exact/ accurate system control when used with control systems All connections are on the rear side via phoenix connectors. Wall mountable into a UK 2 Gang Back Box. (EU Version is also available SY-25W-EW). This unit is compact and easy to use, with high efficiency and low heat dissipation thanks to the modern class-D design, making this an ideal product for wall mounting into multi use rooms, such as boardrooms, classrooms and training rooms where convenient and intuitive control is required from a simple to use wall mounted controller.