Compact, high-performance subwoofer for use with BlacklineX full-range loudspeakers, extending the combined system down to 42Hz. A long-excursion 4″ (100mm) voice coil driver in a compact reflex enclosure with four reflex ports, usable singly, stacked or flown on integral M10 insets.
1 x 18″
Driver
42Hz
LF limit
4″
Voice coil
Black
Finish
Features
1 x 18″ long-excursion driver
4″ (100mm) voice coil
Extends system low-frequency response to 42Hz
Compact reflex enclosure with four ports
Use singly, stacked or flown
Integral M10 insets for flying
Black finish
Specifications
| Brand | Martin Audio |
| Manufacturer part number | X118B |
| Type | Subwoofer |
| Series | BlacklineX |
| Driver | 1 x 18″, long excursion |
| Voice coil | 4″ (100mm) |
| System low-frequency limit | 42Hz |
| Enclosure | Compact reflex, four ports |
| Rigging | Integral M10 insets |
| Colour | Black |









