Legacy Series - LS2104


The ultimate passive subwoofer, the élite LS2104 delivers up to 4000 watts (program) of bottom end support to any large-scale club or concert venue. A 21-inch neodymium driver with a full 6-inch voicecoil rear-loaded bass horn enclosure delivers a maximum SPL of 144dB (peak)in the essential 32 to 200Hz range.

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  • 8000 Watt 21-inch Subwoofer (4000 Watts Program)
  • Max SPL 144dB Peak (135dB Continuous)
  • Rear Horn-Loaded Cabinet Design
  • 32Hz - 200Hz Frequency Response
  • 2 x Speakon™ and 2 x 1/4-inch Parallel Inputs
  • Integrated All Metal Speaker Pole Mount Adaptor
  • Solid 5/8-inch (15mm) Birch Plywood Construction
  • Made in Canada


Built for maximum long-term reliability, the LS2104 uses a solid 15mm (5/8th-inch) Russian birch plywood cabinet construction with heavy duty tilt wheels and all metal bar handles on bottom, back and sides. A 1 3/8-inch stand adaptor in the top allows a speaker pole to be used to elevate a high power full range loudspeaker in club environments. Inputs include a pair of parallel 4-pole Speakon™ connectors.


System Type Rear Horn-Loaded Subwoofer
Active or Passive Passive
Power Rating (Watts) 4000 Watts (8000 Peak / 2000 Continuous)
Nominal Impedance (Ohms) 4
Sensitivity (dB @1Watt/1m) 98
Max SPL (dB) 144dB Peak (135dB Continuous)
Frequency Response (Hz +/- 3dB) 32 - 200
Driver Configuration 21-inch Woofer w/ 6-inch Voice Coil
Inputs - Speakon 4-pin 2
Wheels Rear
Bar Handles 2x Side, 2x Top, 2x Bottom
Pole Mount Adapter (1 3/8"-3.5cm) Yes. Top
Enclosure Materials 5/8-inch (15mm) 11-ply Russian Birch
Grille Heavy gauge perforated metal
Covering / Finish Black Ozite (Carpet) Covering
Optional Covering / Finishes Black Ultrathane (Paint)
Dimensions (DWH xbackW, inches) 26.75 x 25.25 x 36
Dimensions (DWH xbackW, cm) 68 x 64.1 x 94.1
Weight (lbs/kg) 148.5 / 67.4

Specifications subject to change without notice