Keene KLABKITDS In-wall Digital Slave Amplifier including power supply

KLAB20DS In-Wall Digital Slave Amplifier
The Keene KLAB20DS is a 20W per channel stereo slave amplifier built into a UK two gang faceplate. It is designed to be a fit and forget solution to powering additional and remote pairs of loudspeakers. Once installed it will automatically switch switch on whenever audio is detected and switch back to a low power standby mode when no audio signal is present.

Features
20W RMS per channel
Digital Class D design for high efficiency with minimal heat produced
Automatic standby function
LED's for status and confirmation
Rear Balance & Gain adjustment
Flush mount or surface mount (25mm depth, or 35mm for dry-lining)
Very low standby power consumption (0.3W)

Have a look at the instruction sheet:

What's in the box?
KLAB Digital Slave amplifier
KLABPSU Power supply
2 phono socket to open end input cable
Instruction sheet