We are available Mon-Sat 9am-6pm MST 1-877-744-1179 Chat with us
Trade/Sell Your Gear
Notify Me When In Stock

We’ll be happy to e-mail you when this item is available. Just fill in your name and e-mail address

Product Description

Line Circle
The KEF KASA500 Subwoofer Amplifier surpasses expectations with its powerful Class-D Dual 250WPC design, delivering thunderous bass that elevates any audio experience. Its DSP control ensures optimal performance, while the versatile connectivity options and included rack mount ears make installation a breeze. Whether for home theater enthusiasts or audiophiles seeking premium sound quality, the KASA500 stands as a testament to KEF's commitment to innovation and excellence in audio engineering.
Get the Details

Features & Specs Line Circle

Crossover Frequencies
40 - 140Hz or software bypass
Inputs
Selectable stereo RCA line level, or mono LFE RCA level; Stereo speaker level
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.)
Weight
4kg (9 lbs)
Crossover Frequencies
40 - 140Hz or software bypass
Inputs
Selectable stereo RCA line level, or mono LFE RCA level; Stereo speaker level
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.)
Weight
4kg (9 lbs)

Expert Insight

Line Circle

The KEF KASA500 Subwoofer Amplifier impresses with its potent Class-D Dual 250WPC system, delivering thunderous bass and unparalleled audio depth. With DSP control for precision and easy installation aided by versatile connectivity options, it's a must-have for both home theater aficionados and discerning audiophiles seeking top-tier sound quality.

Expert Img
Nate M
Brand Manager

Details

Line Circle

KEF KASA500 Subwoofer Amplifier

Elevate your audio experience with the KEF KASA500 Subwoofer Amplifier. Engineered with precision and power, this Class-D Dual 250WPC amplifier delivers thunderous bass, optimized specifically for KEF Ci subwoofers. Whether you're enhancing your home theater setup or creating a high-fidelity music system, the KASA500 ensures exceptional performance in any configuration.

Key Features:

  • Powerful Class-D Dual 250WPC amplifier
  • DSP controlled for optimized bass response
  • Versatile connectivity with line and speaker level inputs
  • Configurable pass-through with optional high pass filters
  • Optional rack mount ears included for flexible installation

Enhanced Flexibility: The KASA500 is designed to adapt to your evolving audio needs. With firmware updates available from KEF engineers, you can optimize performance with additional KEF speakers using the proprietary KASA500 Programmer*. (*Note: USB Type A Male to USB Type A Male cable required for firmware updates.)

Installation Made Easy: The KASA500 manual includes comprehensive installation diagrams for both home theater and music sub/satellite setups, ensuring seamless integration into your audio system.

Specifications:

  • Color: 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 250 watts 4 ohms; Bridge 1 x 500 watts 8 ohms
  • Amplifier Power: 2 x 250 watts 4 ohms; Bridge 1 x 500 watts 8 ohms (<1% THD)
  • Product External Dimension (H X W X D):
    • Without feet: 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

Documents Available for Download:

KEF KASA500 Manual
KEF Architectural Speakers Spec Sheet
KEF In-Wall and In-Ceiling Selection and Setup Guide

Upgrade your audio setup with the KEF KASA500 Subwoofer Amplifier and experience unparalleled bass performance tailored to your preferences.

Reviews

Line Circle
Product Descriptiondown arrow

Product Description

Line Circle
The KEF KASA500 Subwoofer Amplifier surpasses expectations with its powerful Class-D Dual 250WPC design, delivering thunderous bass that elevates any audio experience. Its DSP control ensures optimal performance, while the versatile connectivity options and included rack mount ears make installation a breeze. Whether for home theater enthusiasts or audiophiles seeking premium sound quality, the KASA500 stands as a testament to KEF's commitment to innovation and excellence in audio engineering.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

Crossover Frequencies
40 - 140Hz or software bypass
Inputs
Selectable stereo RCA line level, or mono LFE RCA level; Stereo speaker level
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.)
Weight
4kg (9 lbs)
Crossover Frequencies
40 - 140Hz or software bypass
Inputs
Selectable stereo RCA line level, or mono LFE RCA level; Stereo speaker level
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.)
Weight
4kg (9 lbs)
Expert Insightdown arrow

Expert Insight

Line Circle

The KEF KASA500 Subwoofer Amplifier impresses with its potent Class-D Dual 250WPC system, delivering thunderous bass and unparalleled audio depth. With DSP control for precision and easy installation aided by versatile connectivity options, it's a must-have for both home theater aficionados and discerning audiophiles seeking top-tier sound quality.

Expert Img
Nate M
Brand Manager
Detailsdown arrow

Details

Line Circle

KEF KASA500 Subwoofer Amplifier

Elevate your audio experience with the KEF KASA500 Subwoofer Amplifier. Engineered with precision and power, this Class-D Dual 250WPC amplifier delivers thunderous bass, optimized specifically for KEF Ci subwoofers. Whether you're enhancing your home theater setup or creating a high-fidelity music system, the KASA500 ensures exceptional performance in any configuration.

Key Features:

  • Powerful Class-D Dual 250WPC amplifier
  • DSP controlled for optimized bass response
  • Versatile connectivity with line and speaker level inputs
  • Configurable pass-through with optional high pass filters
  • Optional rack mount ears included for flexible installation

Enhanced Flexibility: The KASA500 is designed to adapt to your evolving audio needs. With firmware updates available from KEF engineers, you can optimize performance with additional KEF speakers using the proprietary KASA500 Programmer*. (*Note: USB Type A Male to USB Type A Male cable required for firmware updates.)

Installation Made Easy: The KASA500 manual includes comprehensive installation diagrams for both home theater and music sub/satellite setups, ensuring seamless integration into your audio system.

Specifications:

  • Color: 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 250 watts 4 ohms; Bridge 1 x 500 watts 8 ohms
  • Amplifier Power: 2 x 250 watts 4 ohms; Bridge 1 x 500 watts 8 ohms (<1% THD)
  • Product External Dimension (H X W X D):
    • Without feet: 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

Documents Available for Download:

KEF KASA500 Manual
KEF Architectural Speakers Spec Sheet
KEF In-Wall and In-Ceiling Selection and Setup Guide

Upgrade your audio setup with the KEF KASA500 Subwoofer Amplifier and experience unparalleled bass performance tailored to your preferences.

Reviewsdown arrow

Reviews

Line Circle
View More