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L-Acoustics KS28

L-Acoustics KS28


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Product Highlights

  • High Power Subwoofer: The KS28 is a reference high-power subwoofer featuring dual 18" transducers, designed for impactful low-frequency performance.
  • Advanced Technology: Equipped with L-Acoustics' L-Vents technology for minimized turbulence noise and increased output capability.
  • Versatile Directivity: Offers standard or cardioid configurations, providing flexibility for different acoustic environments.
  • Exceptional Performance: Delivers a broad bandwidth with exceptional dynamics, ensuring clear and powerful low-frequency sound.
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The KS28 subwoofer stands out with its dual 18" transducers, delivering a powerful low-frequency experience ideal for event organizers and planners. Its innovative L-Vents technology, first introduced in 2007, significantly reduces turbulence noise, enhancing the overall sound quality and output capability. The subwoofer's ability to switch between standard and cardioid configurations offers versatile directivity, making it suitable for a wide range of events, from concerts to corporate gatherings.

  • Acoustical Specifications:
    • Max SPL: 143 dB
    • Low Frequency Limit: 25 Hz
    • Transducers: 2 x 18" neodymium cone drivers
    • Acoustical Load: Bass-reflex, L-Vents
    • Nominal Impedance: 4 Ω
  • Physical Specifications:
    • Weight: 79 kg / 174 lb
    • Directivity: Standard or cardioid configurations
    • Connectors: 4-point speakON
    • Rigging and Handling: Flush-fitting 2-point rigging system, 6 ergonomic handles, ground and side runners
    • Cabinet: Premium grade Baltic beech and birch plywood
    • Front: Coated steel grill, acoustically neutral 3D fabric
    • Rigging Components: High grade steel
    • Finish: Dark grey brown Pantone 426 C
    • IP Rating: IP55
    • Amplification: Amplified by LA12X