The dB Technologies IS118S-WP-B is a powerful passive low-frequency extension designed for high-performance speakers in the IS install series. Built for both indoor and outdoor installations – arenas, theatres, places of worship, multifunctional spaces and clubs – it offers exceptional durability and robustness with IP55 weather protection and a tough black polyurea-painted finish.
A premium 18″ woofer (4″ voice coil) handles 1200W RMS / 4800W Peak for up to 136.5 dB SPL, ideal as the bottom-end of an IS210 main system in either point source or line array configurations. Multiple rigging options support flexible stacking or hanging via DRK1/DRK2+LP4 accessories.
Specifications
- Speaker Type: Passive Bass-reflex Subwoofer
- RMS Power: 1200 W / 4800 W Peak
- Usable Bandwidth (-10dB): 38 Hz to crossover
- Frequency Response (-6dB): 41.5 Hz to crossover
- Impedance: 8 Ohm
- Max SPL: 136.5 dB
- Driver: 1x 18″ woofer, 4″ voice coil
- Input: Screw terminal block (+ / -)
- Housing: Multiplex plywood with polyurea painting
- IP Rating: IP55
- Color: Black
- Dimensions (WxHxD): 650 x 650 x 550 mm
- Weight: 40.3 kg
- Flyable: via DRK1/DRK2 + LP4 accessories








Reviews
There are no reviews yet.