Shiva 12″ | 500w Car Audio Subwoofer


  • Hi Temp 2” Round Wound Copper Voice Coils
  • Non Pressed Paper Cone with Poly Dust Cap
  • Single Progressive Spider w/ Heavy Duty Lead Wires
  • Grade Y35 Ferrite Magnet Motor Structure w/ Vented Pole
  • 500W RMS Power Rating
  • Hand built in the U.S.A.
  • Avalilable in Dual 4 Ohm Voice Coils

Out of stock


Coming back in all it’s glory, the Adire Audio Shiva sets a benchmark for price and performance, offering quality bass on a budget. Built in America, the Shiva features: an upgraded cast aluminum basket, large foam surround, Kevlar impregnated cone, flat progressive epoxy coated spider, 2″ diameter VC, over an inch of magnet, vented pole piece, and huge bumped back plate. The Shiva was designed with price and performance in mind. This understated, excellent performer has a rugged, industrial look that is an example of form following function. As with nearly all of our woofers, Shiva is at home in a wide variety of enclosure types. The low Fs, moderate Q and moderate Vas allows for great performance in a wide range of both sealed and vented alignments.


Coil Dual 4
Fs 21.4 Hz
Re 7.89 Ohm (VC wired in series)
Qms 10.76
Qes 0.32
Qts 0.31
Mms 128.23g
Cms 0.43 mm/N
Sd 506.7cm^2
Vas 157.26 L
SPL 88.83 dB 1W-1m @ Re
88.89 dB 1W-1m @ Zn
Bl 20.58 Tm
Xmax 16 mm (One Way)
RMS 350W – Program Prower
500W – Thermal

Box Info

Overall Diameter 12.5″
Cutout Diameter 11.125″
Mounting Depth 6.00″
7.00″ With Pole Vent Spacing
Driver Displacement .1 ft^3
Sealed Enclosure QTC .6 – 2 ft^3
QTC .707 – 1.32 ft^3
QTC .8 – .97 ft^3
QTC .9 – .75 ft^3
QTC 1 – .59 ft^3
Ported Enclosure 2.0-2.35 ft^3 @ 28-30 Hz
Port Area: 36 Sq Inches


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