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Martin Audio SX118 Compact, Direct Radiating Subwoofer

1000W AES, 4000W peak - Durable Black Polyurea Coating - 138dB peak SPL

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  • SX118
  • 5-year Limited Warranty


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Sound Reinforcement For Small And Medium-Size Venues

Martin Audio's SX118 (MAU-SX118) Compact, Direct Radiating, High Performance Subwoofer extends the low frequency operating range of the system to 47Hz and provides exceptional low frequency output for such a compact enclosure.


  • Compact, Direct Radiating Subwoofer
  • 18” (460mm)/4” (100mm) Voice Coil, Long Excursion, Ferrite Magnet, Waterproof Cone
  • High Output Capability
  • Tour-Grade Plywood Enclosure With Flying Inserts

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 SX118

{ "TYPE": "Compact, direct radiating subwoofer", "FREQUENCY RESPONSE ": " 47Hz – 150Hz ±3dB, -10dB @ 41Hz ", "DRIVER": " 18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone ", "RATED POWER ": "1000W AES, 4000W peak", "SENSITIVITY ": " 102dB ", "MAXIMUM SPL ": " 138dB peak ", "NOMINAL IMPEDANCE": " 8Ω ", "DISPERSION (-6dB)": " Omnidirectional/or Cardioid (paired) ", " ENCLOSURE ": " Multi-laminate birch/poplar ply ", " FINISH ": " Durable Polyurea Coating ", " PROTECTIVE GRILLE ": " Black perforated Zintec ", " CONNECTORS ": " 2 x NL4 type ", " PIN CONNECTIONS (INPUT) ": " LF: +1, -1 Link through: +2, -2 ", " PINS CONNECTIONS (LINK) ": " LF: +1, -1 Link through: +2, -2 ", " FITTINGS ": "Two skids on base, with mating channels on topM20 top-mounted thread plate for pole mounting16 x M10 mounting points2 x bar handles, 1 on each side4 x fittings for optional transit cover16 x M8 inserts for optional castors", " DIMENSIONS (INCL SKIDS) ": " (W) 600mm x (H) 509mm x (D) 632mm (760mm including castors) (W) 24in x (H) 20.36in x (D) 25.26in (30.38in including castors) ", " WEIGHT ": " 43.5kg (96lbs) w/o castors 47kg (104lbs) with castors " }

Research Materials for SX118 (MAU-SX118)

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