L-Acoustics KS28 Reference High Power Subwoofer — specification sheet
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L-Acoustics · KS28 · Speakers

L-Acoustics KS28 Reference High Power Subwoofer

L-Acoustics KS28 Reference High Power Subwoofer

The L-Acoustics KS28 is a reference high-power subwoofer featuring two 18-inch neodymium cone drivers and a bass-reflex acoustic load with L-Vents. It delivers a maximum SPL of 143 dB down to 25 Hz in standard or cardioid configurations. Procure.ae supplies this IP55-rated audio equipment across the UAE and the wider Middle East & Africa (MEA) region.

The L-Acoustics KS28 achieves 143 dB maximum SPL with a low frequency limit of 25 Hz, utilizing two 18-inch neodymium cone drivers in a bass-reflex enclosure with L-Vents. It operates at a nominal impedance of 4 ohms and supports both standard and cardioid directivity configurations. The unit connects via a single 4-point speakON connector and requires LA12X amplification for optimal performance.

Constructed from Baltic beech and birch plywood with a coated steel front grill and 3D fabric, the KS28 weighs 79 kg and measures 1340 x 550 x 719 mm. It features a flush-fitting 2-point rigging system with high-grade steel components, six ergonomic handles, and two ground runners for secure installation. The finish is dark grey brown Pantone 426 C, and the design allows for flying.

Type
subwoofer
Weight
79 kg / 174 lb

Key features

01
Acoustic Performance
Delivers 143 dB max SPL with 2 x 18-inch neodymium drivers and a 25 Hz low-frequency limit.
02
Directivity Configurations
Supports standard and cardioid configurations for precise low-frequency control in various environments.
03
Durable Construction
Built from Baltic beech and birch plywood with a coated steel grill and IP55 rating for protection.
04
Rigging and Handling
Features a flush-fitting 2-point rigging system, six ergonomic handles, and ground/side runners.
05
Power and Connectivity
Operates at 4 ohms nominal impedance with a single 4-point speakON connector and LA12X amplification.

Specifications

General
ModelKS28
Typesubwoofer
Audio
Frequency Response25 Hz
Impedance4 ohms
Max SPL143 dB
Connectivity
Connector Type4-point speakON
Physical
Dimensions1340 x 550 x 719 mm
Finishdark grey brown Pantone 426 C
MaterialBaltic beech and birch plywood
Weight79 kg / 174 lb
Compliance
IP RatingIP55
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This sheet is compiled from the product data held on procure.ae. For fully accurate and up-to-date figures, always refer to the manufacturer’s own specification sheet or datasheet for this model.

Specifications are provided by the manufacturer and may change without notice.

Pricing is quote-based. Contact Procure for current pricing and availability.

Delivery across the UAE and beyond, installation on request and manufacturer-backed warranty.

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