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Martin Audio WSXa Zoom

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Martin Audio WSXa

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Hyperbolic folded bass horn, large bass horn enclosure.

Martin Audio

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Product Description


Martin Audio WSXa

The WSXa is a folded horn subwoofer which has been specifically designed to reproduce very deep bass frequencies with maximum efficiency, speed and impact. It is intended to be used with Martin Wavefront Series loudspeakers such as the W8, W8C and also the W8 line array enclosures in the most demanding touring situations where extreme levels of bass are required. It is also ideal for reproducing the concentrated bass energy of contemporary dance music in club environments.


  • 7ft (2.1 metre) folded-horn subwoofer
  • Maximum efficiency deep bass reproduction
  • Mirror image stacking capability


Bass ground stack for W8 and W8C
Outdoor bass line source
Contemporary dance music subwoof

It features a powerful 1000 Watt, 18" (460mm) driver with magnet structure and suspensions specially engineered for very large linear excursion. The internal 'S' shaped folded horn - a Martin hallmark - is over 7 feet (2.1 metres) long and couples the driver to the airload by means of a modified hyperbolic expansion law. This results in an efficiency typically 5dB greater than ported direct radiator sub-bass systems and contributes to the exceptionally fast transient characteristic of the WSXa.
The WSXa is designed to be ground stacked and ultimate performance is achieved by close coupling a stack of four or more WSXa’s mirror imaged on their sides to increase the combined horn mouth area. For large outdoor systems, stacking mirror imaged pairs up to six or more high will form a tall line source which will focus the bass into the audience yet retain good horizontal coverage.
The WSXa is constructed from multi-laminate birch ply and is fully equipped for touring with rear castors and bar handles.WSXa

Additional Information

Additional Information

Manufacturer Martin Audio

TYPE Hyperbolic folded bass horn

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

DRIVERS 18” (460mm)/4” (100mm) voice coil, ultra-long

excursion, water resistant cone

RATED POWER (2) 1000W AES, 4000 peak



MAXIMUM SPL (calculated @ 1m) 135dB continuous, 141dB peak (half space)


CROSSOVER 150Hz or below via DX1.5 or DX2 controller

FINISH Textured grey paint

PROTECTIVE GRILLE Grey perforated steel

CONNECTORS 2 x Neutrik NL8

DIMENSIONS (inc. wheels) (W) 572mm x (H) 1066mm x (D) 936mm (1067mm)
(W) 22.5ins x (H) 42ins x (D) 36.9ins (42ins)

WEIGHT 95kg (209lbs)


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