Martin Audio X218B 2 x 18 Inch Passive Subwoofer

The Martin Audio X218B 2 x 18 Inch Passive Subwoofer is a dual-driver, high performance subwoofer for use with Blackline Series full-range loudspeakers. With an operating range of 42Hz-200Hz + 3dB, it produces high output levels with low distortion and can be used singly or stacked horizontally. It features dual 18” (460mm)/4” (100mm) voice coil, long-excursion drivers in a reflex enclosure with eight large ports that reduce air turbulence at high output levels.

Product Specification:  

Type: Dual-Driver, Direct Radiating Subwoofer

Frequency Response: 42Hz-200Hz ± 3db, -10db @ 33Hz

Driver: 18” (460mm)/4” (100mm) Voice Coil, Long Excursion, Ferrite Magnet

Rated Power: 1600W AES, 6400W Peak

Sensitivity: 106db

Maximum Spl: 141db Peak (Half Space)

Nominal Impedance: 4Ω

Crossover: 80-120Hz Active

Enclosure: Birch/Poplar Ply

Finish: Black Textured Paint

Protective Grille: Black Perforated Steel

Connectors: 2 X NL4 Type

Pin Connections (INPUT): 1+ 1- Link Through 2+ 2-

Pin Connections (LINK): 1+ 1- Link Through 2+ 2-

Fitting’s: 12 X M10 Inserts, Pole-Mount Socket

Dimensions: (W) 41.3 X (H) 23.1 X (D) 28.6

Weight: 194 lbs