Kicker :: 40CWRT121 :: $149.95

Kicker 40CWRT121

Item# 38733

800W 12" CompRT Shallow-Mount Dual 1 Ohm Car Subwoofer

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What's Included:

  • Product Information Inside Box
  • Owner's Manual
  • Kicker logo stickers
  • Template on box
  • One 12" Dual 1-ohm voice coil subwoofer
  • Manual (English/ Spanish/ German/ French)

Product Highlights:

  • power handling: 100-800 watts RMS (400 watts per coil)
  • 12" subwoofer with dual 1-ohm voice coils
  • frequency response: 25-500 Hz
  • rubber surround
  • injection-molded polypropylene cone
  • peak power handling: 1600 watts
  • sensitivity: 87.1 dB
  • top-mount depth: 3-3/4"
  • sealed box volume: .55 - 3.0 cu. ft.
  • ported box volume: 1.75 - 2.25 cu. ft.

The CompRT 12-Inch Subwoofer is an all-weather thin subwoofer with a pair of 1Ω voice coils. With our custom SoloKon™ technology and the CompRT’s unique interior support system, the sub pounds out deep bass – even in a small enclosure. Match any RT sub with a PX amplifier for an outstanding combination of power and size. The CompRT 12-Inch Subwoofer works best with a sealed or ported enclosure and 500 watts of recommended power.


Impedance 1 ohms
Peak Power Handling (Watts) 1000
Surround Material Santoprene
Ideal Ported Box Volume (cubic feet) 1.75 - 2.25 cu. ft.
Fs (Hz) 32.7
Size 12 -inch
Top Mount Depth (inches) 3 3/4
RMS Power Range (Watts) 100-500
Sensitivity 87.1 dB at 1 watt
Dual Voice Coil Yes
Cone Material Injection Molded Poly
Ideal Sealed Box Volume (cubic feet) .55 - 3.0 cu. ft.
Free-Air No
Frequency Response 25 - 500 Hz
Cutout Diameter or Length (inches) 10 13/16
Vas (liters) 61
Qts 0.518
  • Subwoofers are usually sold as a single unit unless otherwise noted.
  • UPC: 713034065463
  • Weight: 12.25
*Warranty: 1 Year warranty.
1 Year warranty from implies that repairs must be returned to, not the manufacturer. More information can be found in our help section under returns & warranties.
What's not covered : Misuse, abuse, defacement, physical damage of any kind, and improper installation / operation. Video and multimedia equipment with damaged or cracked screens.Subwoofers and speakers are not warranted against being blown, burned or abused.