Tumult 15″ | 1000w XBL2 Car Audio Subwoofer


  • Patented XBL^2 Linear Motor Technology
  • Hi Temp 3” Round Wound Copper Voice Coil
  • Non Pressed Paper Cone With Poly Dust Cap
  • Heavy Duty Lead Wires Interwoven Into Spiders
  • Y35 Ferrite Magnet Motor Structure w/ Vented Pole
  • Custom Tooled Progressive Spider
  • 1000W RMS Power Rating

The Tumult. Since its inception it has been the pinnacle of subwoofers. Simply put, nothing compares to the Tumult. Available in 12″ and 15″ sizes with dual 2 Ohm voice coil options. The highest performance, world-class sound quality with XBL^2 motor technology, and amazing build quality. The ultimate subwoofer.

Each Tumult subwoofer features a cast 12 spoke aluminum basket. Dual stacked magnet slugs. All steel cut from ultra-low carbon steel, custom wound 3″ diameter 4 layer copper voice coil using an aluminum former, treated thick paper cone with poly dustcap. Heavy foam surround. Rubber mounting gasket. And legendary Adire engineering throughout.

If you want the best, look no further. Tumult.


Coil Dual 2 or Dual 4
(VC Wired in Series For All Tests)
Fs 21.38Hz | 22.55Hz
Re 3.85 Ohm | 6.36 Ohm
Qms 5.16 | 4.82
Qes .40 | .46
Qts .37 | .42
Le D2 – 1.74 mH Per Coil
D4 – 3.59 mH Per Coil
Mms 368.25g | 331.90g
Cms .21 mm/N
Sd 791.73 cm^2
Vas 133.93 L | 133.63 L
SPL D2 – 86.83 dB @ 1W/1m
D4 – 86.90 dB @ 1W/1m
Bl 21.67 n/a | 25.31 n/a
Xmax 34mm (One Way)
RMS Power 1000W

Box Info

Overall Diameter 15.625″
Cutout Diameter 14.125″
Mounting Depth 8.75″
(9.75″ With Pole Vent)
Driver Displacement .17 cuft
Sealed Enclosure Coming Soon
Ported Enclosure Coming Soon
Shipping Weight 65 LBS


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