Accessories

KASA500 Amplifier

KASA500 is a powerful Class-D Dual 250WPC amplifier

This DSP controlled system amplifier is optimized to deliver thunderous bass from KEF Ci subwoofers.

KASA500

KASA500 is a powerful Class-D Dual 250WPC amplifier. This DSP controlled system amplifier is optimized to deliver thunderous bass from KEF Ci subwoofers. With both line and speaker level inputs, and DSP configurable pass-through with optional high pass filters – the KASA500 is versatile and can be deployed in limitless system configurations. Optional rack mount ears included.

KASA500 Software update tool

KASA500 is a powerful Class-D Dual 250WPC amplifier. This DSP controlled system amplifier is optimized to deliver thunderous bass from KEF Ci subwoofers. With both line and speaker level inputs, and DSP configurable pass-through with optional high pass filters – the KASA500 is versatile and can be deployed in limitless system configurations. To allow for future flexibility KEF engineers may update the KASA500 DSP firmware to optimize performance with additional KEF speakers. The KASA500 Programmer* is a proprietary tool for updating the KASA500 firmware. NOTE: KASA500 software requires a "USB Type A Male to USB Type A Male cable" for connection between your computer and the KASA500.

Download KASA500 Programmer


The latest KASA500 Firmware provides settings for KEF Ci subwoofer models Ci3160RLb-THX, Ci200QSb-THX, Ci200TRb, Ci4100QLb and Ci250RRb with THX certified performance (if applicable) in both mono and stereo mode.

Download KASA500 Firmware Rev. 10.05

Download KASA500 EQ setting dip switch chart


KASA500 manual includes installation diagrams for both home theater and music sub/satellite installations.

Download KASA500 user manual

 

* KEF KASA500 Programmer currently runs only on Windows based machines.

The Details


SPECIFICATIONS

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Colour
Black
Crossover Frequencies
40 - 140Hz or software bypass
Inputs
Selectable stereo RCA line level, or mono LFE RCA level; Stereo speaker level
12 Volt Trigger Input Voltage
8 to 14 Volt DC@1.5mA max ⅛"" diameter female plug (tip positive or tip negative)
Recommended Amplifier Power
(<1% THD) 2 x 250watts 4ohms; Bridge 1 x 500watts 8ohms
Amplifier Power
2 x 250watts 4ohms; Bridge 1 x 500watts 8ohms (<1% THD)
Product External Dimension (H X W X D)
88 x 432 x 304mm (3½ x 17 x 12 in.)
With feet : 92 x 432 x 304mm (3⅝ x 17 x 12 in.)
With rack ears; 2 EIA rack space: 88 x 483 x 304mm (3½ x 19 x 12 in.)
Weight
4kg (9 lbs)
Unit Measurement
Piece
Remarks
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.
KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.

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Please visit our Ci Software Download page for more details.

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