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Martin Audio SX112 12" Slimline High-Performance 400W Passive Subwoofer

Original price £730.00 (inc. VAT) - Original price £730.00 (inc. VAT)
Original price £730.00 (inc. VAT)
£730.00 (inc. VAT)
£730.00 (inc. VAT) - £730.00 (inc. VAT)
Current price £730.00 (inc. VAT)

The Martin Audio SX112 is a compact passive subwoofer perfect for areas with limited space, looking to add deep and punchy bass to their sound system.

The Martin Audio SX112 is a slim and compact subwoofer designed to be installed into smaller areas where space is a premium. It'll easily fit under a table or behind a bar for example.

Although it's small in design, it packs a punch with 400W RMS power, 1600W Peak.

It's very sleek in design and features the same grille pattern as the ADORN wall speakers, ensuring it doesn't look out of place with any system.

The Martin Audio SX112 is a perfect choice for:

  • Small to medium-scale installations
  • Portable sound and stage monitoring
  • Hotels, restaurants and bars
  • Houses of Worship and auditoriums
  • Educational facilities
  • Live music and dance clubs
  • Mobile DJ’s


Martin Audio SX112 Key Features

  • Slimline direct-radiator subwoofer
  • 1 x 10” (250mm) driver with 2” (50mm) voice coil
  • Large port for reduced air noise
  • Perforated steel grille
  • 8Ω nominal impedance
  • M8 flying inserts
  • 5-year warranty

View the Martin Audio range of products HERE



    Martin Audio SX112

    • Frequency Response: 48Hz-150Hz ± 3dB, -10dB @ 35Hz
    • Driver: 1 x 12” (300mm)/3” (75mm) voice coil, long excursion, ferrite magnet
    • Rated Power: 400W AES, 1600W peak
    • Sensitivity: 100dB
    • Maximum SPL: 126dB continuous, 132dB peak (half space)
    • Nominal Impedance: 8 ohms
    • Dispersion (-6dB): Omnidirectional
    • Crossover: 80-120Hz active
    • Enclosure: Plywood
    • Finish: Black
    • Protective Grille: Perforated steel
    • Connectors: 2 x NL4 type
    • Pin Connections (Link): +1, -1 Link through: +2, -2
    • Fittings: 12 x M8 inserts

    Dimensions (INCL FEET)

    • (W) 487mm x (H) 390mm x (D) 410mm
    • (W) 19.2ins x (H) 15.4ins x (D) 16.1ins

    Weight: 21.5kg (47.3lbs)


      Martin Audio SX112 Data Sheet

      Martin Audio SX Subs Series Manual

      Customer Reviews

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