L-ACOUSTICS - SB 28

KS21 SUB L- ACOUSTICS

L-ACOUSTICS
9054

L-ACOUSTICS SUB KS21
8Ω BASS SUB Enclosure, 138dB SPL,
,SUBWOOFER 1 X 21 INCH
NEW MATERIAL
Manufacturer’s warranty

Out of Stock
€4,760.00 tax excl.
€5,712.00 tax incl.
Out-of-Stock
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  Checked and tested equipment

All our products are inspected, tested, and checked by our technicians before shipping.

  Fast & secure shipping

Shipping within 24/48h from our warehouse. Delivery in France and internationally.

  Dedicated customer service

A team available to support you before and after your purchase, with personalized advice.

Reference compact sub-bass

  • Compact, high efficiency 21 ”subwoofer
  • Exceptional impact
  • Short-term SPL increased
  • Lightweight (49 kg / 10 8 lbs)
  • Simple, fast, integrated fittings
  • Piloted by LA4X and LA12X

SOLID BASES

L-Acoustics' subwoofers complement systems wherever increased bandwidth is required. All subwoofers incorporate high excursion transducers, ultra low vibration walls, and L-Vent laminar vents. The result is a dramatic reduction in flow noise, optimized dynamics and power handling, and outstanding performance.

Due to their versatility, it is possible to integrate L-Acoustics subwoofers in all rental applications or fixed installations. Engineers and sound designers can choose between standard or cardioid configurations. The multiple possible arrangements of subwoofers make it possible to modulate their directivity (symmetrical / unbalanced) in order to adapt to each project.



L-ACOUSTICS
: 9054
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ALV France delivers its products across France and internationally through a logistics service tailored to professionals. Shipments are handled by trusted transport partners selected for their reliability. Equipment is dispatched from our 1,000 m² site, which includes a storage warehouse, a technical support workshop, and a showroom — ensuring optimal responsiveness.

Before shipping, each item is thoroughly tested, inspected, and serviced by our technical team. Upon request, a personalized tracking service can be arranged to meet your organization’s specific needs.

  • Shipping in France and internationally
  • Trusted transport partners
  • Physical stock ready for fast dispatch
  • All equipment tested and inspected before shipping
  • Custom logistics tracking available on request

For any delivery-related questions or specific needs, our team is at your disposal.

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