Captivator 4000ULF

The Captivator 4000ULF is a bass reflex subwoofer with two ultra low distortion 18″ drivers and a 4000 watt amplifier (optional 6000 watt) that is equipped with a full digital sound processor that has been optimized to the smoothest frequency response and highest possible output with minimal distortions.

MSRP $7398
Manufacture Direct $3699

Please call or email to place an order:

Please contact us for most update leadtime
Frequency +/- 3db
12-125hz (sub 10hz in room)
4000 watts RMS (Optional 6000 watts with 240v input +$300)
Dimensions (HxWxD)
41.5″ x 20.5″ x 39.5″ (HxWxD), only 20.5″ deep sideways
18mm, 13ply, void free, Baltic Birch (several times stronger and more expensive than MDF)
Exterior Finish
Matte black lacquer paint designed to be non-light reflective for home theater
5 year Manufacturer defect (amplifier 3 year)

Independently tested by

  • New ultra low distortion18″ subwoofer driver with 33mm xmax each way, +4″ peak to peak
  • DSP: Auto input select, advanced auto turn on & even lower noise floor
  • Bass Reflex Design tuned to 10hz
  • Huge slot port for minimal turbulence and compression
  • Heavily braced cabinet
  • Completely front firing for versatility
  • Magnetically attached grill
  • Built in 4000 watt RMS, up to 95% efficient, DSP optimized, class D amplifier.
    +$300 optional 6000 watt amplifier with 240v input.
  • RCA and XLR inputs
  • 12 volt trigger and auto turn on
  • Amplifier warranty increased to 3 years
  • “LF Adjust” for a flat response outdoors and in small rooms

Baltic birch

Massive 18 inch woofer

Cotton Sound Damping

Polyester Sound Damping