For Sale: L-Acoustics KS28 (2)

Configuration:

• Quantity: 2 × L‑Acoustics KS28 dual‑driver subwoofers

• Connectors: Neutrik NL4 Speakon, factory standard

• Cabinets: Birch plywood enclosure with laminar vent design

• Finish: Black textured coating, consistent across both units, minimal cosmetic wear

• Grilles: Steel mesh, intact, no corrosion or deformation

Technical Specifications (per manufacturer):

• Frequency response: 25 Hz – 100 Hz (±3 dB)

• Maximum SPL: 143 dB peak (per cabinet)

• Transducers: 2 × 18" direct‑radiating drivers

• Recommended amplification: L‑Acoustics LA12X amplified controllers

• Dimensions: 1,200 × 600 × 800 mm

• Weight: 79 kg per enclosure

Condition & Verification:

• Both units tested individually and as a pair

• Passed latest SMAART v8 system measurement report (available on request)

  • Frequency response matched factory reference curve within ±1 dB

  • Phase alignment consistent across both units

  • No anomalies in distortion or noise floor

• Connectors tested for continuity and mechanical integrity

• Drivers original and within tolerance, no recones

• Rigging hardware inspected and verified functional

Usage History:

• Operated in controlled environments, not exposed to outdoor touring conditions