Skip to contentGo to Product SearchGo to Footer
Main Content

Customer Ratings & Reviews

No content
  • Front. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black.
  • Angle. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black.
  • Back. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black.
  • Alt View 11. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black.
  • Alt View 12. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black.
  • Alt View 13. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black.
  • Alt View 14. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black.
  • Alt View 15. Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black.

Alpine - Power Pack 180W Class D Bridgeable Multichannel Amplifier with High-Pass Filter - Black

Model:
KTP-445U
SKU:
4769803
Highly rated by customers for:
Your price for this item is $231.99
Clearance
The comparable value price is $289.99

Customer reviews

Rating 4.7 out of 5 stars with 779 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.7 out of 5 stars

Pros mentioned filter

Cons mentioned filter

96%would recommend to a friend

Customers are saying

Customers are enthusiastic about the Power Pack 180W amplifier, particularly its improved sound quality, ample power, and convenient size. Many found the installation process to be fairly simple and the product easy to use. While some users noted the instructions could be better, the amplifier is well-regarded overall for its performance and value.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 26 Showing 501-520 of 779 reviews
  • Pros mentioned:
    Sound quality

    works great for stock motorcycle system

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I purchased this as a kick for my stock motorcycle system. works great.

    I would recommend this to a friend
  • Pros mentioned:
    Size

    nice sound

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I am very happy with this amp. Price right and fits well in a smaller car.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Amp

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works great. Goes well with the new stereo and sounds good

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    sounds great

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    put this on a bike small great sound and compact for the right place and price

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Adds more power

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Adds more power to the sps 600c speakers makes them play more clear.

    I would recommend this to a friend

  • Best bang for your buck

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This worked just it should and very good for the price

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Nice little amp

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is a nice compact amp you just want to boost your sound and aren't looking to enter SEMA.

    I would recommend this to a friend

  • Perfect compact amp.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This amp is awesome and for the price you can beat it.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Great Value

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Quality sound at a reasonable cost. Shopped for options and found this was the best bang for the buck.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Awesome

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product would definitely recommend to a friend

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Great Amplifier

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    May be small, but has a great sound. Highly recommend.

    I would recommend this to a friend
  • Pros mentioned:
    Power

    Amplifier

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great power! Was "blown away" by amount of sound created

    I would recommend this to a friend
  • Pros mentioned:
    Installation

    great

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It was really easy to install and works great. I recommend it.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Great for more clean power

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I am using this to get more clean power to drive my speakers.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Makes my speakers sound great

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love them my speakers sound awesome. I can'timagine music wwith out it.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Great amp for small vehicle

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Hooked this up to a Kicker 10 inch sub in a Subaru Impreza. Great bass without drowning out the highs. Nice balance

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Great Amplifier for Granddaughter

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amplifier sounds great, was not hard to hook up very Happy.

    I would recommend this to a friend
  • Pros mentioned:
    Size

    compact power

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    One of the very few amps that you can install inside your dashboard.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Improved sound & headroom for JVC KW-V330BT

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This amp improved both the sound the headroom(volume) for my JVC KW-V330BT with stock speakers. BB installer was excellent.

    I would recommend this to a friend

  • Precise

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    John is lovely, great installer. He taught me step by step with all the in's and outs with my new equipment. I got Everything!!!

    I would recommend this to a friend
Page 26, Showing 501-520 of 779 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.