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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
HiFonics HCC-2500.1D COLOSSUS Classic Series 2500W Super D-Class Monoblock Car Audio AmplifierHifonics COLOSSUS Classic Mono subwoofer audio amplifier delivers 2500 watts with Super D Class technology that features Ultra Fi MOSFET outputs that are selected for both balance and output power. Class D MOSFET Monoblock Amplifier Peak Power: 1x2500 @ 1 Ohm, 1x1250 @ 2 Ohms, 1x625 @ 4 Ohms Frequency Response: 10Hz 500Hz, Built in bass control with 0 10dB boost 4 AWG Power and 12 AWG Speaker Terminal Wire Gauges Stable at 1 ohm Remote Subwoofer Level
Hifonics COLOSSUS Classic Mono subwoofer audio amplifier delivers 2500 watts with Super D Class™ technology that features Ultra-Fi™ MOSFET outputs that are selected for both balance and output power.
- Class D MOSFET Monoblock Amplifier
- Peak Power: 1x2500 @ 1 Ohm, 1x1250 @ 2 Ohms, 1x625 @ 4 Ohms
- Frequency Response: 10Hz-500Hz, Built in bass control with 0-10dB boost
- 4 AWG Power and 12 AWG Speaker Terminal Wire Gauges
- Stable at 1 ohm | Remote Subwoofer Level Control Included
- Dimensions: 19 × 10.75 × 4.5 in
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great product for the price
Model: 197mil 31 sqft Car Sound Deadening Mat, Model: 197mil 31 sqft Car Sound Deadening Mat
This sound deading material has a good thickness to it. It seems like the cab of the truck is cooler inside from the heat of the motor. It’s easy to install and easy to cut with a razor blade. The quality it’s an 8/10 the only complaint I have is the adhesion will stick to your fingers if you are touching it when you peel the backing paper off. It stick to the truck great tho. It covered the entire floor and back wall of a single cab truck.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Used it on HVAC ductwork did its job and stuck well
Model: 197mil 31 sqft Car Sound Deadening Mat
There was a lot of material in here for the money, so a decent value, I used it for some extra sound deadening on the ductwork in my house before finishing the basement, seems to help cut down the echoes coming through the ductwork. Overall the product was good had a few pieces where the sticky tore off the foam and stuck to the paper backing but all in all no complaints.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Exactly as described!! Easy installation.
Model: 197mil 31 sqft Car Sound Deadening Mat
Easily installed. Cut with regular scissors. Made a huge difference in interior noise.
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Reviewed in the United States on May 31, 2026
★★★★★ 4
A worthwhile addition to just butyl itself.
Model: 197mil 31 sqft Car Sound Deadening Mat
I used this as a topper to butyl sound deadening material on the floor and side panels and am very pleased. It was generally easy to use. It is very sticky and cannot be easily repositioned as the foam will separate from the sticky side if you try, but its not a big deal. I have yet to run the car but the panels are much quieter when tapped on vs just the butyl alone, and this stuff weighs almost nothing.
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Good deadening
Model: 197mil 31 sqft Car Sound Deadening Mat
This sound deadening works well and has good adhesion .
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Reviewed in the United States on May 18, 2026
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