L-Acoustics KS21

Features

• High power compact 21″ subwoofer
• Exceptional impact
• Improved efficiency
• Lightweight (49 kg / 108 lbs)
• Simple, fast, integral rigging
• Supported by LA4X and LA12X

Specifications

• Description: High power compact subwoofer: 1 × 21’’ amplified by LA4X / LA8 / LA12X
• Usable bandwidth (-10 dB): 31 Hz - 100 Hz ([KS21_100])
• Maximum SPL1: 138 dB ([KS21_100])
• Transducers 1 × 21’’ neodymium cone driver
• Acoustical load: Bass-reflex, L-Vents
• Nominal impedance: 8Ω
• Connectors:
  • IN: 1 × 4-point speakON
  • LINK: 1 × 4-point speakON
     
• Rigging and handling
  • Flush-fitting two-point rigging system
  • 1 pole mount with M20 x 150 insert
  • 4 handles, 8 corner stops and 2 ground runners
     
• Weight (net): 49 kg / 108 lb
• Cabinet: Premium grade Baltic beech and birch plywood
• Front: 
  • Coated steel grill
  • Acoustically neutral 3D fabric
     
• Rigging components: High grade steel with anti-corrosion coating
• Finish: Dark grey brown Pantone 426 C