Martin Audio Blackline X218





Double Trouble.
Blackline X218

The Blackline X218 is the ultimate low-frequency solution in the BlacklineX series. This high-performance, dual-driver subwoofer features two 18” drivers with 4” voice coils in a reflex enclosure, delivering massive output levels and low distortion for the most demanding professional applications.


Dual 18″ Reflex System

Maximum Performance.

Dual 18″ Drivers

Features two 18” (460mm) long-excursion drivers with 4” (100mm) voice coils, working in tandem to move massive amounts of air for earth-shaking bass.

141dB Peak SPL

Capable of producing extremely high output levels with a peak SPL of 141dB, making it suitable for large clubs, live concert venues, and outdoor festivals.

Optimized Porting

The enclosure utilizes eight large ports with a significant frontal area to dramatically reduce turbulent air noise, ensuring clean bass even at maximum output.

Flexible Deployment

Designed for versatility, it can be used singly or stacked horizontally. It includes feet for vertical or horizontal operation, a 35mm pole socket, and M10 inserts.

Technical Specifications

Acoustics & Drivers

Type

Dual-driver, direct radiating subwoofer

Frequency Response

42Hz-200Hz ± 3dB (-10dB @ 33Hz)

Drivers

2 x 18” (460mm) with 4” (100mm) voice coil, long excursion, ferrite magnet.

Crossover

80-120Hz active

Power & Performance

Rated Power

1600W AES, 6400W Peak

Sensitivity

106dB

Max SPL

141dB peak (half space)

Nominal Impedance

Physical & Dimensions

Enclosure

Birch/poplar ply

Finish

Black textured paint

Dimensions

(W) 1049mm x (H) 587mm x (D) 727mm

Weight

88kg (194lbs)

Fittings

12 x M10 inserts, pole-mount socket, 4 x pocket handles

Connectors

2 x NL4 type

Ideal For

Live Music Venues
Nightclubs
Indoor/Outdoor Festivals
Corporate Events
Rental Companies
Houses of Worship