Kicker 43CWRT121
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Item# 46723 / Condition:  Brand New  On Sale  Review this product

Kicker 43CWRT121

12" ompRT shallow- mount subwoofer with dual 1-ohm voice coils. Produces 500 watts of RMS /1000 watts of Peak Power with a frequency 25 - 500Hz

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Save $43.99 | Reg. Price $263.94 In Stock
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CompRT Subwoofers

The only thing thin about the CompRT® Subwoofer is the mounting depth. Whether it’s on the road, sand or trail, these tough subs work perfectly in nearly anything with a motor.

CompRT Subs Main

Big Bass Anywhere

Your car’s back dash. The bags on your bike. Behind your ATV’s seats. Add the weatherproof CompRT Sub to your ride without sacrificing comfort or storage space.

CompRT Subs Big Bass Anywhere


Superior components make a huge difference. Dual voice coils, a unique heat management system and our signature red cone stitching all help to give you deep bass and outstanding reliability in our thinnest subwoofers.

CompRT Subs Stout

Ready to Ride

This KICKER® sub is built to take the power and sound incredible. With recommended power ratings as high as 500 watts, it’s easy to get the bass you crave.

CompRT Subs Ready to Ride

12" CompRT 1 Ohm

The CompRT 12-Inch Subwoofer is an all-weather slim sub with a 1Ω dual voice coil design. 

A thick magnet structure reliably delivers huge power handling without effecting mounting depth. The specially designed UniPlate™ back plate and solid pole piece serve as a single heat-absorbing unit to provide excellent thermal management. 

The CompRT 12-Inch Subwoofer works best with a sealed or ported enclosure and 500 watts of recommended power. See below for more details.

Xmax (millimeters) 10.5
Dual Voice Coil Yes
Cutout Diameter or Length (inches) 10 15/16
RMS Power Range (Watts) 200-500
Bottom Mount Depth (inches) 4 1/2
Qts 0.5895
Port length (inches) N/A
Vas (liters) 54.3
Port diameter (inches) N/A
Top Mount Depth (inches) 3 11/16
Peak Power Handling (Watts) 1000
Ideal Ported Box Volume (cubic feet) N/A
Size 12 -inch
Sensitivity 85.48 dB at 1 watt
Impedance 1 ohms
Cone Material Polypropylene
Surround Material Rubber
Ideal Sealed Box Volume (cubic feet) N/A
Free-Air No
Frequency Response 25 - 500 Hz
Fs (Hz) 29.4

What's Included:

  • Subwoofers are usually sold as a single unit unless otherwise noted.
  • UPC: 713034076384
  • Weight: 15
  • Authorized Internet Dealer
*Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to for replacement within 1 year from the original date of purchase with proper return authorization.