KEF

KEF KASA500 Subwoofer Amplifier with Rack Ears

Model KASA500

Price on Request

Availability: In Stock

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  • Subwoofer amplifier with 2 × 250 W at 4 Ω or a bridged 1 × 500 W at 8 Ω (<1% THD)
  • Crossover of 40 to 140 Hz or software bypass
  • Stereo RCA line level, mono LFE RCA, or stereo speaker level inputs; 12 V trigger input
  • Rack-mountable at 2 EIA rack spaces with rack ears; 4 kg
KEF KASA500 subwoofer amplifier, amplifier front side
  • Authorized KEF Reseller
  • Manufacturer Warranty
  • Fast UAE Delivery
  • Expert Project Support
Delivery, Warranty, Returns and Installation
Delivery
Fast UAE Delivery: Same-Day or Next-Day Delivery Available, Subject to Product Availability and Location. Free Delivery on Orders Above AED 2,000.
Warranty
Manufacturer Warranty with Local UAE Support where applicable.
Returns
B2B Orders are non-returnable. Please confirm product specifications and compatibility before ordering.
Installation
Site Surveys, System Design and Professional Installation are available across the UAE.
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Product details

Overview

What is the KEF KASA500?

The KEF KASA500 is a subwoofer amplifier that delivers 2 × 250 W at 4 Ω, or a bridged 1 × 500 W at 8 Ω (below 1% THD). It has a crossover of 40 to 140 Hz or software bypass, and it comes with rack ears for 2 EIA rack spaces. Installers in the UAE specify it to drive KEF in-wall and in-ceiling subwoofers in active mode.

The KEF KASA500 is an amplifier for subwoofers, not a full-range amplifier. KEF lists selectable stereo RCA line level or mono LFE RCA inputs, stereo speaker level inputs and a 12 V trigger input, with a variable crossover of 40 to 140 Hz or software bypass.

Why this product

Key Benefits

  • Power

    KEF lists 2 × 250 W at 4 Ω, or a bridged 1 × 500 W at 8 Ω, both below 1% THD.

  • Crossover

    KEF lists a crossover of 40 to 140 Hz or software bypass.

  • Inputs

    KEF lists selectable stereo RCA line level or mono LFE RCA inputs, stereo speaker level inputs, and a 12 V trigger input (8 to 14 V DC at 1.5 mA maximum, 1/8 in female plug).

  • Rack mounting

    KEF lists dimensions of 88 × 483 × 304 mm with rack ears, which take 2 EIA rack spaces.

Use cases

Applications

  • Active mode for KEF Ci subwoofers

    KEF lists the KASA500 as the active-mode amplifier for the Ci200QSB-THX, Ci200TRB and related Ci subwoofers.

  • Equipment racks

    The rack ears fit the unit into a 19 in rack at 2 EIA rack spaces.

Technical details

Technical Specifications

System

Type
Subwoofer amplifier
Crossover Frequencies
40 to 140 Hz or software bypass

Power

Output Power
2 × 250 W at 4 Ω; bridge 1 × 500 W at 8 Ω (<1% THD)
Amplifier Power
2 × 250 W at 4 Ω; bridge 1 × 500 W at 8 Ω (<1% THD)
Recommended Amplifier Power (<1% THD)
2 × 250 W at 4 Ω; bridge 1 × 500 W at 8 Ω

Connectivity

Channels
2 (stereo) or 1 (bridged)
Inputs
Selectable stereo RCA line level or mono LFE RCA level; stereo speaker level
12 V Trigger Input Voltage
8 to 14 V DC at 1.5 mA maximum, 1/8 in female plug (tip positive or tip negative)

Physical

Colour
Black
Dimensions (H × W × D)
88 × 432 × 304 mm (3.5 × 17 × 12 in); with feet: 92 × 432 × 304 mm; with rack ears (2 EIA rack spaces): 88 × 483 × 304 mm (3.5 × 19 × 12 in)
Weight
4 kg (9 lb)

Shipping & Packaging

Packaging
Piece

Ownership and support

Ownership & Support

Warranty

The KEF KASA500 is covered by the standard KEF manufacturer warranty. The exact warranty term is confirmed at order.

Same brand

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All orders are final sale. Read our Refund policy.

Expert FAQs

How much power does the KEF KASA500 deliver?

KEF lists 2 × 250 W at 4 Ω, or a bridged 1 × 500 W at 8 Ω, both below 1% THD.

Which inputs does the KEF KASA500 have?

KEF lists selectable stereo RCA line level or mono LFE RCA level inputs, stereo speaker level inputs, and a 12 V trigger input.

What crossover does the KEF KASA500 offer?

KEF lists a crossover of 40 to 140 Hz or software bypass.

Can the KEF KASA500 be rack mounted?

Yes. The KEF KASA500 comes with rack ears, which give a width of 483 mm and take 2 EIA rack spaces.

Which KEF subwoofers use the KASA500?

KEF lists the KASA500 as the active-mode amplifier for the Ci200QSB-THX and the Ci200TRB, which are also available at CorporateAV.ae.

What speaker load does the KEF KASA500 drive?

KEF lists 2 × 250 W at 4 Ω in stereo, or a bridged 1 × 500 W at 8 Ω, both below 1% THD.

What kind of amplifier is the KEF KASA500?

The KEF KASA500 is a subwoofer amplifier, with a crossover of 40 to 140 Hz or software bypass. It is not a full-range amplifier.

How big and heavy is the KEF KASA500?

The KEF KASA500 measures 88 × 432 × 304 mm (3.5 × 17 × 12 in) and weighs 4 kg (9 lb).

Where can I buy the KEF KASA500 in the UAE?

CorporateAV.ae is a supplier of genuine KEF products in the UAE and delivers the KEF KASA500 same-day or next-day across the UAE, subject to availability and location. Request a Project Quote on this page, call +971 56 498 8088, WhatsApp us or email info@corporateav.ae. Phone: +971 56 498 8088. Email: info@corporateav.ae.