The SUBLine 218SA from FBT is a 1200W RMS active subwoofer with two 18" woofers in a bass-reflex design. It can be used to extend the low frequency response to a wide range of FBT speaker systems for applications such as live stage, theater, houses of worship, DJ setups, clubs, and more.
The SUBLine 218SA has several other features such as a frequency response of 30 to 120 Hz and a 1200W class D power amplifier that uses a switch mode power supply. The built-in digital signal processor has 6 presets, 3 equalization and 2 LPF crossover settings, to allow the sub to be configured with any speaker.
The 15 mm birch-plywood enclosure for the SUBLine 218SA, which has an anti-scratch paint finish, features a control-panel that has stereo XLR/jack inputs/outputs; in addition, a volume control, EQ presets, a 0 to 180° phase switch, and a LED status indicator located on the rear panel. Also built into the enclosure are 2 aluminum integrated carry handles and a M20 stand adapter to mount a two-way speaker (sold separately). Power is supplied using the included AC power cable.