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Martin Audio WS218X Zoom

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Martin Audio WS218X

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Dual-driver (18") vented sub-bass system

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Martin Audio

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Product Description


Martin Audio WS218X

The WS218X is a high performance sub-bass system designed for use with large scale Wavefront and Blackline systems, in both touring and install applications. It features twin, 1000 watt 18" (460mm) drive units with magnet structure and suspension engineered for maximum linear excursion.

The birch ply cabinet is fitted with six pocket handles and four 4" (100mm) castors for easy deployment. It features large area porting to reduce air noise.

WS218X subwoofers are designed to be powered by Martin Audio MA18K power amplifiers.


  • Dual, direct radiating long excursion 18" (460mm) drivers
  • High temperature 4" (100mm) voice coils
  • High power – 138dB continuous, 144dB peak
  • Fitted with handles and castors


Medium/large scale touring sytems
Theatre sound systems
Club sound reinforcement
Special effects sub-bass

Additional Information

Additional Information

Manufacturer Martin Audio

TYPE Dual-driver vented sub-bass system

FREQUENCY RESPONSE (1) 35Hz-150Hz ± 3dB, -10dB @ 28Hz

DRIVERS 2 x 18" (460mm)/4" (100mm) voice coil, ultralong excursion, water resistant cone

RATED POWER (2) 2000W AES, 8000W peak


SENSITIVITY (3) 105dB (half space)

MAXIMUM SPL (calculated @ 1m) 138dB continuous, 144dB peak (half space)


CROSSOVER 70Hz-150Hz, via DX1.5 or DX2 controller

ENCLOSURE 320 litre, multi-laminate birch ply

FINISH Textured black paint

PROTECTIVE GRILLE Black perforated steel

CONNECTORS 2 x Neutrik NL8

PIN CONNECTIONS LF1: 1+,1- & 2+,2-LF2: 3+,3- & 4+,4-

FITTINGS 4 x 4" (100mm) castors, 6 x pocket handles, 2 x front lid fittings

DIMENSIONS (inc. wheels) (W) 1066mm x (H) 561mm x (D) 780mm(911mm)
(W) 42ins x (H) 22.1ins x (D) 30.7ins (35.9ins)

WEIGHT 89kg (196.2lbs)


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