KEENE ELECTRONICS KEENE 20W WALL AMP INC PSU FROSTED PANEL

K-LAB-20 Amplifier with Frosted Front (with UK power supply) The Keene K-LAB-20 In-Wall Amplifier RangeA 20 Watt amplifier that fits flush to the wallThe Keene K-LAB-20 is a unique new product ideal for use in multi-room audio installations. It is a high quality stereo audio amplifier thats built into a standard sized UK double pattress. It provides 20W (RMS per channel) of amplification eliminating the need to make space for a conventional amplifier. It draws its own power from an externally located mains adaptor and control is by infra red remote. Key Features:Flush mount - fits into a wallIR control - Full remote control (carrier frequency 56 KHz)20W RMS per channelFully complimentary output stages with built in short circuit, open circuit, thermal and under voltage protection. Built in cross pole crowbar protection diode Microcontroller controlled amplifier. Volume Up, Volume Down plus 10 preset volumes, standby (sleep) and mute functions. Bedroom friendly LEDs follow ambient light and get darker as the room gets darker. Led indication of Power, On Up and Down. Recommended (supplied option) psu is small light weight switch mode unit. Installer friendly screw terminals for speaker & line inputHave a look at the instruction sheet here (Acrobat pdf file) Specifications:Power output: 20W RMS per channel into 4ohmsDistortion: typically less than 0.2% up to rated powerBandwidth: 20Hz to 20KHz Passive limitation built inSupply: 10V to 15V (absolute max 18V DC) minimum current 3.0A. Connection via a 2.1mm DC connector centre positive, auto mute on under voltage.Fuse: self resetting 3A built in to clear remove power for at least 20 seconds, clear fault and reconnectAmplifier topology: full bridge mode all speaker connections are live ( no common ground connection)Recommended minimum speaker impedance: 4 ohms per channelAbsolute minimum speaker impedance: 2 ohms per channelSNR: 60dBVoltage gain: 27dBInput required to produce full output: approx 775MvAvailable Opt