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Martin Audio Blackline S218+ Zoom

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Martin Audio Blackline S218+

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Dual-driver vented sub-bass system

Martin Audio

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Product Description


Martin Audio Blackline S218+

The powerful Blackline S218+ sub-bass system has been designed to be used with large scale Blackline F12+ and F15+ systems to extend and increase the total low frequency output power. It can also be used as the low frequency section of a bi-amped or tri-amped H3+ system. The S218+ provides good bass punch with extended sub-bass output from two new, long-excursion, 18” (460mm)/4” (100mm) voice coil drivers with water resistant cones and triple roll surrounds.

The S218+ must be electronically crossed over with the M3+, DX1.5 or equivalent Electronic Controller.


  • Direct radiating 18” (460mm) drivers
  • High temperature 4” (100mm) voice coil
  • Fitted with handles and castors
  • Five year limited warranty


Large scale club performance
Large club installs

Additional Information

Additional Information

Manufacturer Martin Audio

TYPE Dual-driver, vented sub-bass system

FREQUENCY RESPONSE (1) 35Hz-150Hz ± 3dB -10dB @ 28Hz

DRIVERS 2 x 18” (460mm)/4” (100mm) voice coil LF drivers

RATED POWER (2) 1500W AES, 6000W peak


SENSITIVITY (3) 105dB (half space)

MAXIMUM SPL (9) 136.5dB continuous, 142.5dB peak (half space)



CROSSOVER 80-150Hz active

ENCLOSURE 320 litre, multi-laminate birch ply

FINISH Textured black paint

PROTECTIVE GRILLE Black perforated steel

CONNECTORS 2 x Neutrik NL4

PIN CONNECTIONS LF+,- : 1+,1- and 2+,2-

FITTINGS 4 x 4” (100mm) castors, 6 x pocket handles, 2 x lid clips

DIMENSIONS (inc wheels) (W) 561mm x (H) 1066mm x (D) 780mm (911mm)(W) 22.1ins x (H) 42ins x (D) 30.7ins (35.9ins)

WEIGHT 87kg (191.5lbs)


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