Martin Audio SXC115 compact cardiod subwoofer

4000W peak output - Black textured paint finish - 137dB peak SPL

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  • Martin Audio SXC115
  • 5-year Limited Warranty

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Increased impact and low frequency performance

Martin Audio SXC115 (MAU-SXC115) compact cardiod subwoofer features a 15" forward facing driver and a 12" rear facing driver, each driven by individual amplifier channels, DSP and individual chambers with optimised bass reflex porting. This unit produces a cardioid dispersion pattern which maximises the front radiation and reduces unwanted radiation behind the subwoofer. The cabinet is built with high-quality birch laminate and finished with a hard wearing, textured black paint. With twin grab handles, foam-backed perforated steel grilles, interlocking skids (prevent movement when stacked), a threaded plate in the top for pole-mounting, and flying inserts, Martin Audio has built this sub to be versatile, rugged, and easy to use. Designed for touring and fixed installations, an input board cover accessory (not included) makes the unit fully weather resistant and suitable for permanent outdoor usage.


  • Compact, cardioid subwoofer
  • Front facing 15” (380㎜)/4” (100㎜) voice coil driver
  • Rear facing 12” (300㎜)/4” (100㎜) voice coil driver
  • 28㏈ rear rejection at 75㎐
  • Tour-grade plywood enclosure

Martin Audio was founded in 1971 by engineering maestro Dave Martin. Renowned for integrity in design, technical excellence and the longevity of its products, Martin Audio takes system creation into a further dimension. Their mission is for every member of the audience to enjoy an exceptional sonic experience faithfully reproducing the artist's performance.

Specifications for the Martin Audio SXC115

{ "TYPE": "Compact, cardioid subwoofer", "FREQUENCY RESPONSE (Measured on-axis in half (2pi) space at 2 metres, then referred to 1 metre.)": " 44Hz – 150Hz ±3dB, -10dB @ 36Hz ", "DRIVERS": "15” (380mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone12” (300mm)/4” (100mm) voice coil, long excursion, neodymium magnet, waterproof cone", "RATED POWER (AES Standard ANSI S4.26-1984.)": "15”: 1000W AES, 4000W peak12”: 800W AES, 3200W peak", "SENSITIVITY (Measured in half (2pi) space at 2 metres with 2.83V input, using band limited pink noise, then referred to 1 metre.)": " 101dB ", "MAXIMUM SPL (Calculated at 1 metre.)": " 137dB peak ", "NOMINAL IMPEDANCE": "15”: 8 ohms12”: 8 ohms", "DISPERSION": " Cardioid ", " ENCLOSURE ": " Multi-laminate birch ply ", " FINISH ": " Textured black paint ", " PROTECTIVE GRILLE ": " Black HEX perforated steel ", " CONNECTORS ": " 2 x NL4 ", " PIN CONNECTIONS ": " 15”: +1, -1; 12”: +2, -2 ", " PINS CONNECTIONS ": " 15”: +1, -1; 12”: +2, -2 ", " FITTINGS ": "Two skids on base, with mating channels on topM20 top-mounted thread plate for pole mountingTwo bar handles on each side16 x M10 mounting points16 x M8 inserts for optional castors", " DIMENSIONS ": " (W) 500mm x (H) 550mm x (D) 811mm (939mm incl castors) (W) 19.69in x (H) 21.67in x (D) 31.92in (36.96in incl castors)", " WEIGHT ": " 53kg (117lbs), 56kg (124 lbs) incl castors " }

Research Materials for Martin Audio SXC115 (MAU-SXC115)

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SXC115 (MAU-SXC115) Specifications

SXC115 (MAU-SXC115) Drawing

Martin SX Series Subwoofer Brochure

Martin SX Series Subwoofer User Guide

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