SKU: 66003073128

Crescendo Audio - BassClef 8K

Sale price$1349.99 Regular price$1499.99
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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29

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Description

Crescendo Audio - BassClef 8KAs some enthusiasts have already heard through the grapevine, it is our pleasure to announce the new BassClef series. The current Bass Clef series has had a hell of a run since 2011, but with all good things, it is time to raise the bar once again. The 2018 Bass Clef models range from 4kw to 17kw. The first models to hit the market will be the BC 4k and BC 6k, followed by the 8k, 13k and 17k. All new BC amplifiers utilize a newly tooled Crescendo

As some enthusiasts have already heard through the grapevine, it is our pleasure to announce the new BassClef series.
The current Bass Clef series has had a hell of a run since 2011, but with all good things, it is time to raise the bar once again.

The 2018 Bass Clef models range from 4kw to 17kw. The first models to hit the market will be the BC-4k and BC-6k, followed by the 8k, 13k and 17k.
All new BC amplifiers utilize a newly tooled Crescendo heatsink and revamped circuit boards that stay true to our standards, with even higher power-per-square inch and resilience than before.

Stable down to .5 ohm on sufficient electrical.
Up to 17v capable.
Newly designed, custom tooled, proprietary Multi-piece Thermal optimized Heatsink with patent pending interlocking slide-out CNC engraved top plate.
2 stage copper anodized Top Plate that is easily removable for those who want to color match to their show quality installs.
Silver plated & hard-wired Tiffany RCA inputs
2 sets of oversized 1/0 Power/Ground Inputs for efficient current transfer.
Dual 4 gauge Speaker output terminals! Which each terminal containing two outputs contains the same polarity for extreme ease of use! ( + + ) & (- -)
Overbuilt Power supply with heavy copper traces and Military spec PCB/heavy duty standoffs for extreme vibration resistance.
Handwound heavy duty transformers & inductors to insure no shorting of the windings from escessive vibration.
Manufactured using some of the highest quality and most reliable electrical components, with many 3% tolerance components throughout.
Full 4-Stage Intelligent protection Circuitry

Power Ratings (clean power RMS @13.8v)
1ohm: 8000w
2ohm: 4000w
4ohm: 2500w

Dimensions: 31.25" Length (between mounting brackets) x 12.5" Width x 3" Height

Shipping Notes
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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
SKU: 66003073128

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4.3 ★★★★★
Based on 22 reviews
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K
Verified Purchase
Kamau Kalai
Battle Creek, US
★★★★★ 5
Great for the price
Size: 1 Kit, Size: 1 Kit
Worked great at clearing my headlights and at a great price, I had used a different headlight kit maybe 5-6 months before and it did not perform as good as this kit did, maybe it was a user error with the previous kit but this one cleared it easily and was very easy to do and had a nice clear shine.
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Reviewed in the United States on April 23, 2026
D
Verified Purchase
Dre
San Leandro, US
★★★★★ 5
Good stuff!
Size: 1 Kit
Good product, made a big difference. Easy to apply, Will buy again when needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
C
Verified Purchase
CupcakeDivaKC
Boise, US
★★★★★ 4
I'm Not Disappointed ...
Size: 1 Kit, Size: 1 Kit
I knew going in that my expectations shouldn't be very high because my car is a first generation 2010 Kia Soul. So its old with 16 plus years of yellowing oxidation and some abrasion. I took a chance with doing this because of the reviews and pictures. To my surprise, it worked better than I anticipated and could hope for. My driver side(left) headlight was horrible but my passenger side(right) wasn't too shabby and didn't require as much care. This would have turned out better if I had power drill attachments of the same sanding grit to do this. My arm is going to be really sore come Sunday. 😆 It wasn't too hard to follow the instructions as they were very simple for the application process. I don't know about the 2 years for it lasting, but for now, its durable. Once I drive at night, I'll be able to But all in all, it worked for me and its better than before I tackled it. All in all it looks good, I feel like I'll have a better beam when night 🌙 driving.
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Reviewed in the United States on May 2, 2026
K
Verified Purchase
Kflo
Houston, US
★★★★★ 5
Works great. Definitely a good buy and value.
Size: 1 Kit
This was easy to use and made a world of difference on the lenses.
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Reviewed in the United States on May 1, 2026
G
Verified Purchase
Ghost
Waukegan, US
★★★★★ 5
Let this restoration kit light up your life
Size: 1 Kit
I have a car that is 24 years old and is my daily driver.  Understandably, the headlight lenses have deteriorated to the point where I was using my brights exclusively at night yet never being flashed to turn them down.  I got quotes between 60-80 dollars per headlight for restoration which I just wasn't willing to pay so I decided on this kit to try restoring them myself.  I read reviews before I ever make a decision on a product and noticed many reviewers of other products stated that this product works better so I went ahead and purchased it.  Man, am I glad I did!!!   The kit arrived late this afternoon, I opened it, READ AND FOLLOWED THE INSTRUCTIONS and within 1 1/2 hours had turned a travesty into a triumph.  I started by taping around both lights with 1 inch blue painters tape to protect the paint around the lights.  The kit comes with everything necessary to remove most moderate deterioration but be sure to purchase one that corresponds with your actual situation.  I believe my lenses were far beyond "moderate" but with some heavy elbow grease, the correct use of both supplied sanding disks and my hose set on "mist" I was able to sand off years of damage leaving behind a smooth, albeit opaque surface.  After making sure everything was totally dry using both towels and my leaf blower, I was ready for the Magic!!!  I opened the first clearcoat package (while wearing the provided glove) and lightly but steadily applied the liquid with the supplied towelette and the required 50% overlapping passes.  The opaque lenses instantly turned clear upon contact with the clearcoat.  After waiting around 25 minutes to be sure the lenses were completely dry I opened the second package of clearcoat and applied it in the same manner as the first.  I had no misses or problems with my first coat but for those who do...NOW is the time to make corrections, NOT during the first coat process.  Leave things to dry for around an hour and you are done. The end result?  AWESOME, INCREDIBLE, UNBELIEVABLE...shall I go on???  Not necessary, but I can say I am thrilled with the outcome.  My wife said the lights look new and I agree, there is a night and day difference between before and after. Only time will tell how long the restoration lasts but for now I am very very happy with the results I got from this 3M product.  I highly recommend it to anybody who can read, understand and follow the instructions.  5 stars all the way on this one!!!      
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Reviewed in the United States on June 24, 2025

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