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Keene Electronics KLABXB Product Data Sheet

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Overview
Easily add music to your kitchen, bedroom, study, bathroom etc.
This tiny wall mount amplifier fits into a standard UK two gang
pattress and provides a powerful 20W RMS per channel. In
operation it really couldn't be any easier. When you want to use
it simply connect via Bluetooth and control the volume via your
bluetooth device. When you disconnect or stop streaming the
amplifier automatically switches into very low power standby
mode. Whenever you connect again it instantly wakes again up
to deliver clear powerful audio.
Installation & Connection
Installation should only be carried out by a qualified installer or electrician, as a certain amount of
electrical knowledge is assumed.
Mounting
The 25mm depth will allow installation into standard UK 2-gang boxes, which may be galvanised
metal for installation in solid walls, or plastic drylining (with lugs) or surface mount box or trunking
system.
IMPORTANT - Please Read!!!
As supplied the left and right edges of the front panel label can be
flexed outward to allow access to the panel fixing screws. Once
fastened in position and tested(!) the backing paper can be peeled off
and the sides fixed down flush to conceal the screws. ONLY perform
this operation once the installation has been tested and found to be
satisfactory. Once stuck down this label cannot be removed without
damage.
Replacement front panels are available, (part number KLABXBSFP)
Wiring
In order to make a reliable and safe connection without short circuits it is recommended that the
speaker cables are prepared and tinned prior to connection, with no more than approx 7mm of
tinned wire extending out of the insulation. The speaker connectors are a push fit onto the PCB and
can be easily removed and refitted to aid installation.
Power
The amplifier requires a power supply of 12v to 18v DC centre positive and a minimum current of
3500mA. If you are not using the recommended psu please verify that the supply is correct BEFORE
connection. If using the recommended supply we suggest that it is connected in accordance with
current wiring regulations. The amplifier can also be powered from a 12v car battery but NOT
directly from a car battery charger as this would damage the circuitry. Do not install near any heat
sources such as radiators, stoves, or other apparatus that produce heat. The mains connection
should be via a fused and switched mains outlet such as order code SWL1.
Environment
The KLABXB is not IP rated for use in damp environments but if due care is given to positioning of
the amplifier and supply then it can be used in zone 3 installations. Please use a qualified electrician
operating to current regulations if you intend to use this unit in a bathroom.

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Summary of Contents for Keene Electronics KLABXB

  • Page 1 SWL1. Environment The KLABXB is not IP rated for use in damp environments but if due care is given to positioning of the amplifier and supply then it can be used in zone 3 installations. Please use a qualified electrician...
  • Page 2 Left and Right channel trim adjustment - important! These adjust the signal level and will determine how loud (or quiet) the amplifier will be in use. The KLABXB works as a slave amplifier so the volume can only be controlled by the bluetooth device. Usually the source device will be a mobile phone or tablet with the volume increased or decreased by a small percentage with a keypress.
  • Page 3: Specifications

    When the KLABXB has no active connection the led will start to flash blue for approximately 20 seconds. If no connection is established the KLABXB will then switch off the amplifier circuit and enter a low power standby mode indicated by the red LED.