B218X | 2 x 18" Passive Portable Subwoofer

Only Available in China

The B218X is a dual-driver, high performance subwoofer for use with 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.

Features

Dual-driver, direct radiator subwoofer
2 x 18” (460mm) drivers with 4” (100mm) voice coils
Durable plywood enclosure
Large ports for reduced air noise
Powder coated, perforated steel grille
Integral ergonomic handles
35mm pole-mount socket
Feet for vertical or horizonal operation
Rebate recesses for stable horizontal stacking
M10 flying inserts

Applications

Portable sound reinforcement
Live music clubs
Premium KTV
Nightclubs

The B218X enclosure is constructed from plywood and finished in black textured paint.

For added versatility in deployment, the B218X is fitted with a 35mm pole-mount socket for mounting full-range enclosures, and integral M10 inserts provide for eyebolt suspension of a single enclosure.

Ergonomic handles assist ease of handling and the drivers are protected by a perforated steel grille. Rubber feet on the base of the B218X resist movement and align with recesses in the top surface for stable horizontal stacking. Feet are also provided on one side of the enclosure for vertical operation of a single cabinet.

The B218X is supplied as standard without castors, which are available as an accessory pack.

When used with full-range systems, crossover and EQ functions can be performed by the DX0.4, DX0.6 or DX4.0 system controllers or by a Martin Audio amplifier with onboard DSP.

Links

Datasheet

Specification

TYPE	Dual-driver, direct radiating subwoofer
FREQUENCY RESPONSE (5)	42Hz-200Hz ± 3dB, -10dB @ 33Hz
DRIVER	18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet
RATED POWER (2)	1600W AES, 6400W peak
SENSITIVITY (8)	106dB
MAXIMUM SPL (9)	141dB peak (half space)
NOMINAL IMPEDANCE	4Ω
DISPERSION (-6dB)	Omnidirectional
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-
FITTINGS	12 x M10 inserts, pole-mount socket
DIMENSIONS	(W) 1049mm x (H) 587mm x (D) 727mm (W) 41.3ins x (H) 23.1ins x (D) 28.6ins
WEIGHT	88kg (194lbs)