Martin Audio SX118 Compact, Direct Radiating Subwoofer

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

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What's in the box:

  • SX118
  • 5-year Limited Warranty


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Sound Reinforcement For Small And Medium-Size Venues

The Martin Audio 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. This direct radiating professional subwoofer is a great sound reinforcement for small and medium-sized venues to take your music game to the next level.


  • 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

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)

We've added technical materials to help with your buying decision. Even if you're technically inclined, you may want to consider talking to our sales techs to make sure this item is the right fit for your particular use. 800.562.6006

SX118 (MAU-SX118) Specifications

SX118 (MAU-SX118) Drawing

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