
The L-Acoustics KS21i is a high-power subwoofer featuring a 1 x 21" neodymium cone driver for deep bass down to 29 Hz. It delivers 138 dB max SPL in standard or cardioid configurations. Procure.ae supplies this professional audio equipment to businesses and event organizers across the UAE.
This high-power subwoofer utilizes a 21-inch neodymium driver in a bass-reflex enclosure with L-Vents to achieve a maximum SPL of 138 dB. The low frequency limit reaches 29 Hz, ensuring powerful low-end response. It features an IP55 rating for durability and connects via a 4-point terminal block with push-in capability. The cabinet is constructed from Baltic beech and birch plywood, finished in dark grey brown or pure white.
The KS21i supports rigging via M6 inserts for plates and M8 inserts for A-U15i compatibility. It is designed for use with LA2Xi, LA4X, LA8, and LA12X amplifiers. Weighing 46 kg with dimensions of 752 x 569 x 629 mm, it fits large venues. Procure.ae offers tender quotations and installation services for this system across the UAE and MEA.
| Model | KS21i |
| Type | high power subwoofer |
| Frequency Response | 29 Hz low frequency limit |
| Impedance | 8 Ω |
| Max SPL | 138 dB |
| Polar Pattern | standard or cardioid configurations |
| Speaker Size | 1 x 21" neodymium cone driver |
| Connector Type | 4-point terminal block with push-in connection |
| Dimensions | 752 x 569 x 629 mm |
| Finish | dark grey brown Pantone 426 C |
| Material | Baltic beech and birch plywood cabinet |
| Weight | 46 kg / 101 lb |
| IP Rating | IP55 |
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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