Customers value the CX-Series CX300.4 amplifier for its exceptional sound quality, powerful performance, and compact size. Many customers have praised its ability to deliver clear and crisp audio, with one customer saying, "Sound quality good and no issues so far." The amplifier's compact design makes it easy to install in various vehicles, as noted by a customer who said, "Amp works fantastic, and installation done excellent."
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 1 Showing 1-20 of 119 reviews
Pros mentioned:
Ease of use, Price, Size
Rated 5 out of 5 stars
Great amp for my truck
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this as part of a package deal through Best Buy and it drives the 4 door speakers in my f150 supercrew. The amp is small enough that it fit perfectly in the tray under the rear seat. All of the settings are clearly labeled and relatively easy to reach. I would recommend you download the owners guide from Kicker's website; it is short, easy to understand and very helpful in setting/tuning the amp. Given the sales price and ease of use, I would definitely buy it again. As soon as my reward points post I will be buying the Kicker mono amp in this series to drive my sub.
I would recommend this to a friend
Pros mentioned:
Size, Sound quality
Rated 5 out of 5 stars
Great amp
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This reviewer received promo considerations or sweepstakes entry for writing a review.
The amp was affordable and is well built, I drive for work, so I'm almost always playing music and it has not overheated, clipped, or had any technical issues. It powers my jbl speakers great and is compact enough to fit virtually anywhere. 9/10
I would recommend this to a friend
Pros mentioned:
Power, Sound quality
Rated 5 out of 5 stars
Great amp
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This amp is powering my highs and they sound great. I have them hooked to two sets of kicker 6X9 and I am not disappointed. I was skeptical at first buying from a box store, but after the install and hearing them. I would not hesitate on the least next time I'm in the market for car audio.
I would recommend this to a friend
Pros mentioned:
Power, Sound quality
Rated 5 out of 5 stars
All music no distortion
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Very good powerful amp that is all business when you crank it up. I trusted the installer's opinions and bought strictly on his advice. He steered me in the right direction.
I would recommend this to a friend
Pros mentioned:
Power, Sound quality
Rated 5 out of 5 stars
Sweet sounding amp!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Added this amp to my 2015 Jeep Wrangler factory head unit. Also upgraded to Kicker speakers. My Jeep rocks now! Top off and cruising I can hear every note! Definitely a great choice. Nothing works like adding power.
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Great while it lasted!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this for a friend for Christmas. He did not want me to spend the extra to have it installed, but I sure wish he had let me! He had installed that sort of thing before on the same vehicle though, so I let his wish stand. I did get to experience the sound firsthand, and it was amazing! I am thinking the vehicle was just too old to handle what was happening, because it blew in less than two weeks. We got it replaced, because he DID let me put the Geek Squad protection on it. He tried again, and it did it again. We gave up, and since it was under the extended return policy of the holidays, I was able to get everything refunded completely, even the protection plan. I was very pleased about that, at least!
I would recommend this to a friend
Pros mentioned:
Power
Rated 5 out of 5 stars
Awesome Amplifier
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This amplifier is insane to say the least. Keep in mind that this is not top of the line, so therefore not the most powerful nor the cleanest sounding. But when paired up with the correct speakers and source it works wonders. Mine is powering 2x JBL 6.5", 4x Kicker 5.25", 2x Kenwood 6x9" yet does not run hot and still has plenty of power left over.
I would recommend this to a friend
Pros mentioned:
Power, Sound quality
Rated 5 out of 5 stars
Nice and Powerful
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This reviewer received promo considerations or sweepstakes entry for writing a review.
More than enough power for my 15 inch woofers. Very good Quality.
I would recommend this to a friend
Pros mentioned:
Ease of use, Sound quality
Rated 5 out of 5 stars
Amp
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great combined sound though my I phone. Easy to install and was a grea addition to my street rod
I would recommend this to a friend
Pros mentioned:
Power
Rated 5 out of 5 stars
It's a great amp
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this amp to replace an existing one.
If you are looking for a great amp look no further. I'm powering 4 speaker with this amp. Look for the rms not total watts this one has 341 I believe it's more than enough for my use.
I would recommend this to a friend
Pros mentioned:
Power, Price
Rated 4 out of 5 stars
Very pleased
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great amp for the price. Hooked it up to 2 punch 12in subs and it rocks.
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Great power and sound
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I had an old amplifier burn out on my boat , it was a 300 w amp that ran 4 speakers , now that I put this 600w in , the sound is so amazing , feels like I have 10 speakers in the boat now , very happy !
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
My Amp
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Not installed yet, just bought speakers Kickers and wires.
Will have installed beginning of next month. Taking wife on trip to Reno first. our 30th anniversary. I trust it's much better than the original Bose system 17 years old in my QX4.
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
What more can you ask for???
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This reviewer received promo considerations or sweepstakes entry for writing a review.
It is perfect for what I need it for. This 4 channel runs my stock speakers and gives enough boost to my fronts that the music is balanced, not all bass
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Its quality and its loud.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I wanted to get a class AB amp for efficency a nd sound quality. This unit surpassed my expectations in both regard. Wouls go class A if I could afford it but bang for buck this is a good item.
I would recommend this to a friend
Pros mentioned:
Power
Rated 5 out of 5 stars
Great Amp
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great Amp never fades on power works perfect once my other amps fails I wil replace it with a another kicker so now I will have twin kickers.
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 4 out of 5 stars
Good basic amp
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great starter amp. Good bass and tone for auto sound
I would recommend this to a friend
Pros mentioned:
Power
Rated 4 out of 5 stars
Nice amp
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This amp was an easy install. Has plenty of power for most applications. But only has 75 watts RMS per channel, the product description reads 150, but belive that best buy put max output by accident.
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
IMPRESSIVE
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This reviewer received promo considerations or sweepstakes entry for writing a review.
GREAT PRODUCT! HAVE THIS IN A 04 DODGE 4X4 AND IT TAKES A BEATING FROM VIBRATION AND HAS PERFORMED FLAWLESSLY! CRYSTAL CLEAR AT MAX. OUTPUT WHICH SURPRISED ME AND IS FINE TUNE ABLE.
I would recommend this to a friend
Pros mentioned:
Power
Rated 5 out of 5 stars
Great deal!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Awesome purchase! Gives me an awesome amount of power to the value and i've had no troubles with it 2 months into use!