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Kicker CWRT672 (48CWRT672)

300W Peak (150W RMS) 6.75” CompRT Series Dual 2-ohm Shallow Car Subwoofer

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• Peak Power: 300 watts
• RMS Power: 150 watts
• Impedance: Dual 2 ohm
• UV-Resistant Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 2-3/4"
• Sensitivity: 82.6 dB

Learn more about the 48cwrt672
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List price $149.99
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Current Promotions (1 offer)


Get a Free roll of Belva 16 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Kicker CWRT672 (48CWRT672)

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Priced separately $116 95

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Description


Kicker brand icon

Authorized dealer

Low-Profile Acoustic Precision

The Kicker 48CWRT672 is a high-performance, ultra-slim 6.75" transducer engineered for the CompRT series. Designed specifically for installations where space is at a premium—such as under-seat enclosures or tight door panels—this driver delivers an authoritative bass response that defies its compact dimensions. By utilizing a blacked-out SoloKon polypropylene cone and an improved Santoprene surround with signature red double stitching, the 48CWRT672 maintains exceptional tonal accuracy and structural integrity even during high-excursion performance.

Thermal management is a critical feature of this thin-mount driver. It incorporates Kicker’s Forced-Air Cooling technology, allowing the subwoofer to operate 20% cooler by using the cone’s own motion to circulate air through the motor structure. With a mounting depth of less than three inches and a Dual 2-Ohm Voice Coil (DVC) configuration, this transducer offers the system-building flexibility required for sophisticated, space-saving high-fidelity installations.

Product Details:

  • 6.75" Dual 2 ohm CompRT Series Subwoofer
  • Power Handling:
    • Peak: 300 watts
    • RMS: 150 watts
  • ANSI/CTA-2031-A compliant
  • UV-Resistant Polypropylene cone
  • Utilizes one-piece SoloKon cone reinforcement technology
  • UV-resistant Santoprene Surround with signature red double stitching
  • Ultra-thin sub fits under the seat or behind the back bench
  • Advanced suspension and heat management system
  • Forced-Air Cooling to help subwoofers run 20% cooler
  • Frequency Response: 30 - 500 Hz
  • Sensitivity: 82.6 dB
  • Recommended sealed box volume: 0.18 cubic feet - 0.75 cubic feet
  • Top-mount depth: 2-3/4"
  • Cutout diameter: 5-5/8"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Sold Individually

PDF Icon Kicker 48CWRT672 owner’s manual

Product history:

Kicker CWRT672 thumbnail
(newest, current model)
Kicker 43CWRT671 thumbnail
(previous model, replaced by Kicker CWRT672 (48CWRT672))
Kicker 40CWRT671 thumbnail
(previous model, replaced by Kicker CompRT CWRT671 (43CWRT671))

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Kicker CWRT672 (48CWRT672) Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Kicker CWRT672 (48CWRT672) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Kicker CWRT672 (48CWRT672) Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Kicker CWRT672 (48CWRT672) Subwoofers

2 Channel Amp

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
CompRT Series
Subwoofer Size
6.75"
Peak Power Handling
300 watts
RMS Power Handling
150 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Frequency Response
30 - 500 Hz
Sensitivity
82.6 dB
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
UV-Resistant Polypropylene
Woofer Surround
UV-resistant Santoprene
CTA-2031 Compliant
Yes
Recommended Enclosure Specifications
Recommended Enclosure Type
Sealed
Minimum Sealed Box Volume
0.18 cubic feet
Maximum Sealed Box Volume
0.75 cubic feet
Top-Mount Depth (Mounting Depth)
2-3/4"
Cutout Diameter
5-5/8"
Shallow Mount Installation
Yes
What is in the box?
Paperwork
User manual
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

CWRT672

Weight:

4.60lbs

Internal SKU:

48cwrt672

Internal Product ID:

182777

Customer Ratings & Reviews


Kicker CWRT672 (48CWRT672) thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Very nice speaker.

The following review is for a previous version (40CWRT671).

This is a very nice speaker if you realize it's small and ment for small areas. I used it in my tj and it fit well and sounds great.

By adrenln on December 6, 2013

38 found this helpful


Good Little Kicker!

The following review is for a previous version (40CWRT671).

I was looking for something to replace the stock sub in the center console of my 2004 Yukon Denali. I'm glad I went with this little Kicker sub. It is definitely four times louder than the stock that I had replaced. It fills the inside with more than enough bass to go with the mids and highs of the door speakers. Now, you won't hear it too much on the outside, which is fine with me because I just need enough to fill the inside and don't won't to annoy those around me on the outside (neighbors or other drivers). Remember, it is a little over 6.5 inches, so you won't get the bass that a ten or twelve inch sub will provide, but it will definitely give you an improvement over your stock 6 or 6.5 inch sub.

Overall, I'm happy with my purchase and would highly recommend this Kicker sub, especially if you are just wanting to fill the inside of the vehicle with bass without bother others on the outside.

By Woody on December 8, 2015

18 found this helpful


Good Little Kicker!

The following review is for a previous version (40CWRT671).

I was looking for something to replace the stock sub in the center console of my 2004 Yukon Denali. I'm glad I went with this little Kicker sub. It is definitely four times louder than the stock that I had replaced. It fills the inside with more than enough bass to go with the mids and highs of the door speakers. Now, you won't hear it too much on the outside, which is fine with me because I just need enough to fill the inside and don't won't to annoy those around me on the outside (neighbors or other drivers). Remember, it is a little over 6.5 inches, so you won't get the bass that a ten or twelve inch sub will provide, but it will definitely give you an improvement over your stock 6 or 6.5 inch sub.

Overall, I'm happy with my purchase and would highly recommend this Kicker sub, especially if you are just wanting to fill the inside of the vehicle with bass without bother others on the outside.

By Woody on December 8, 2015

18 found this helpful


Very impressive for the size

The following review is for a previous version (43CWRT671).

These little guys are super cool. They're completely protected on the backside and are very shallow. The front has a cool design, no guard necessary. These subs are constructed very well. I love them.

By Nathanael on April 22, 2020 Checkmark Icon Verified purchase

16 found this helpful


By Tammy on November 9, 2025 Checkmark Icon Verified purchase
2001 Jeep Wrangler




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