KLAB20 Amplifier with Original White Front (no power supply included)



The Keene K-LAB-20 In-Wall Amplifier Range

A 20W (RMS per channel) amplifier that fits flush to the wall!

The Keene K-LAB-20 is a unique product ideal for use in multi-room audio installations. It is a high quality stereo audio amplifier that's 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 standard UK sized double pattress

IR control - Full remote control (carrier frequency 56 KHz)

20W RMS per channel.

Fully 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/Off and volume Up/Down.

Recommended PSU is small light weight switch mode unit: KLABPSU

Installer friendly screw terminals for speaker & line input.







Specifications:

Power output: 20W RMS per channel into 4ohms

Distortion: typically less than 0.2% up to rated power

Bandwidth: 20Hz to 20KHz Passive limitation built in

Supply: 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 reconnect

Amplifier topology: full bridge mode all speaker connections are live ( no common ground connection)

Recommended minimum speaker impedance: 4 ohms per channel

Absolute minimum speaker impedance: 2 ohms per channel

SNR: 60dB

Voltage gain: 27dB

Input required to produce full output: approx 775Mv

Have a look at the instruction sheet here (Acrobat pdf file)


Available Options:
We are now able to offer the KLAB20 in a number of kits and in a number of variations. You can buy it with or without a mains power supply. You can buy the KLAB20 with a fixed volume output which is useful for commercial applications where a preset volume is required. If it's to be used in an environment where the volume will not need to be changed and the unit will always be on, we can also offer it without a remote control.


White front plate:
KLAB20 White front, full kit excluding power supply.
KLAB20G White front, full kit excluding power supply, fixed volume.
KLAB20GNR White front, no power supply, no remote, fixed volume.
KLABKIT White front, full kit including power supply.
KLABKITG White front, full kit including power supply, fixed volume.
KLABKGNR White front, including power supply, no remote, fixed volume.

Frosted front plate:
KLAB20F Frosted front, full kit excluding power supply.
KLAB20FG Frosted front, full kit excluding power supply, fixed volume.
KLAB20FGNR Frosted front, no power supply, no remote, fixed volume.
KLABKITF Frosted front, full kit including power supply.
KLABKITFG Frosted front, full kit including power supply, fixed volume.
KLABKFGNR Frosted front, including power supply, no remote, fixed volume.

We can Also offer these options with a Euro two pin power supply on requested.

We have now released the digital version of the KLAB20:
KLAB20D No power supply.
KLABKITD Inc power supply.

Helpful codes:
KRC1 spare remote.
KLABPSU recommended power supply.
KBL31 basic speaker cable.