Backline X218B 2x18" Long-Excursion Driver with 4" Voice Coil Compact Subwoofer

The Backline X218B is a dual-driver subwoofer. It is intended for installs or live events. It is a great option for medium to large events. 

From the Manufacturer:

The Blackline X218 is a dual-driver, high performance subwoofer for use with BlacklineX 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.

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 horizontal operation

• Rebate recesses for stable horizontal stacking

• M10 flying inserts

Applications:

• Portable sound reinforcement

• Live music clubs

• Bars and restaurants

• Nightclubs

• Corporate AV events and conferences

• Weddings and parties

• Secondary stages at festivals

• HoW, leisure centers and retail outlets

Specifications:

• 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

• 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)