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Customer Ratings & Reviews

Customer reviews

Rating 4.7 out of 5 stars with 597 reviews

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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

94%would recommend to a friend

Customers are saying

Customers admire the CX 400W Class D Digital Mono Amplifier for its power and sound quality. The amplifier is also appreciated for its compact size and ease of use, making it a convenient option for many users. The bass performance and reasonable price point are additional benefits that customers find appealing. However, a few customers have noted that the amplifier can generate some heat.

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 5 Showing 81-100 of 597 reviews
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    kicker-CX 400w AMP

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

    excellent sound, alot of bang for the buck! Best buy installers connected to my subwoofer bought separatedly from Amazon!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Speaker

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

    Well i had to get the amp to go with the speakers. My son is really Going to enjoy this gift.

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

    Rated 5 out of 5 stars

    Great amp for a sub!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Doing it’s job so far! Great price for the bang!it’s powering my 12 inch kicker down firing sub!

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

    Rated 5 out of 5 stars

    Nice little amp

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

    Nice little amp, I love that the bench test papers come with it. It powers my older JL 4 ohm 12s perfectly.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Size

    Rated 5 out of 5 stars

    Pairs great with Kicker subwoofer

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

    Paired with a Kicker subwoofer and it sounds amazing. Easy to use and setup. It's lightweight and compact. Easy to mount. Great build quality.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Sounds great

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works well paired with kicker subs and 6x9 speakers

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

    Rated 5 out of 5 stars

    Cx class Kicker

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

    Decided to stay in Cx class for sub and followed with amp. Great quality. No clipping...no over heating...even ordered cx class controller...

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Sound quality

    Rated 5 out of 5 stars

    Great sound

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great sound. Easy to install and wire up. Glad I purchased

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

    Rated 5 out of 5 stars

    Excellent sound

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

    I am pleased with my purchase for the sound and bass of the product

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great purchase hands down!!!

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great purchase, and I highly recommend this product!!!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Excellent power and warranty.

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

    Works excellent pushing 10” sub. Amp failed after a few months but kicker repaired and sent back.

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

    Rated 5 out of 5 stars

    Kicker amp.

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Kicker amplifier gives me plenty of boost. Idk if it would win any competition but plenty of bass produced

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Get your system optimum quicker with Kicker

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Kicker is as good as you want every day person to compatition level first Kicker amps I've had I've never heard any negative opinions about any Kicker products I wish this company continuous success

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

    Rated 5 out of 5 stars

    Good amp for price.

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

    Very good amp for the price, I bought it to power up the kicker subwoofer and it works great. It’s somewhat compact too.

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

    Rated 5 out of 5 stars

    Best for the price

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    Best Buy Employee
    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The the continuous sound that this amplifier gives  really works for any sub that you can think of especially if you’re not looking to get too much bass. Any of the kicker amplifier’s will work as long as you make sure that you get the right wattage for the sub that you were wanting otherwise you’ll definitely under power which isn’t a bad thing.

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

    Rated 5 out of 5 stars

    Good Sound

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

    Works well hooked with my subwoofer and speakers. Excellent for the price!! And the sound in my car has improved tremendously.

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

    Rated 4 out of 5 stars

    Kicker amp

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Really decent little amp. I use it to power 2 10” kicker subs and it sounds great. Big things really do come in small packages. The size of this amp was a nice change compared to the big bulky amps in used to.

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

    Rated 5 out of 5 stars

    Nice amp

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

    Good power. Small size. Gits well. Looks good. Kicker name

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great amp for price

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome amp to give a boost of bass to any sub!!!!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Power

    Rated 5 out of 5 stars

    Great amp, small & can be put anywhere in vehicle.

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nothing to dislike, powerful amp . Easy to set up.

    I would recommend this to a friend
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