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Martin Audio SX112 (SX212) Ultra Compact Subwoofer

400W AES, 1600W peak - Black Finish - 132dB peak SPL

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What's in the box:

  • SX112
  • 5-year Limited Warranty

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Increased Impact And Low Frequency Performance

Martin Audio's SX112 (MAU-SX212) Ultra Compact Subwoofer is a direct radiating sub-bass system designed to extend the bandwidth and increase the headroom of full-range loudspeaker models. It features a very efficient 12" (300mm) long-throw bass driver with a high power 3" (75mm) voice coil and generously-sized reflex ports for low noise, high power operation.


  • 12” (300mm) Driver With 3” (75mm) Voice Coil
  • Large Ports For Reduced Air Noise
  • Perforated Steel Grille
  • Integrated Flying Points
  • Water Resistant Cone

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 SX112

{ "TYPE": "Compact, single driver, direct radiating subwoofer", "FREQUENCY RESPONSE ": "48Hz-150Hz ± 3dB -10dB @ 35Hz", "DRIVER": "12” (300mm)/3” (75mm) voice coil, long excursion, ferrite magnet, waterproof cone ", "RATED POWER ": "400W AES, 1600W peak", "SENSITIVITY ": "100dB", "MAXIMUM SPL ": "126dB continuous, 132dB peak (half space)", "NOMINAL IMPEDANCE": "8Ω", "DISPERSION (-6dB)": "Omnidirectional", "CROSSOVER": "80-120Hz active", "ENCLOSURE": "52 litre, Plywood", "FINISH": "Black or white textured paint", "PROTECTIVE GRILLE": "Black or white perforated steel", "CONNECTORS": "2 x NL4", "PIN CONNECTIONS": "Left to right: Input+, Input -, Link -, Link+", "FITTINGS": "12 x M10 inserts", "DIMENSIONS": "(W) 487mm x (H) 390mm x (D) 410mm (W) 19.2ins x (H) 15.4ins x (D) 16.1ins", "WEIGHT": "21.5kg (47.3lbs)" }

Research Materials for SX112 (MAU-SX212)

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