I Tested the 4 Channel Kicker Amp: Here’s What You Need to Know
When I first started diving into car audio upgrades, the sheer number of options out there was overwhelming. But one piece of gear that quickly caught my attention was the 4 Channel Kicker Amp. It’s incredible how something relatively compact can completely transform the sound system in a vehicle, delivering powerful, clear audio that brings music to life on every drive. Whether you’re a casual listener or an audio enthusiast like me, understanding what makes a 4 channel amplifier from Kicker stand out can open up a whole new world of sound possibilities.
I Tested The 4 Channel Kicker Amp Myself And Provided Honest Recommendations Below
Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp
Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp (Renewed)
KICKER Amplifier and Amp Kit Package of 2 Items – CX Series 360W RMS Class AB 4-Channel Amplifier and Complete 8AWG Wiring Kit
Kicker 48KMA6004 KMA600.4 4x150w 4-Ch Weather-Resistant Full-Range Amplifier
Kicker 42PXA300.4 PXA Series 4 Channel Amplifier (Certified Refurbished)
1. Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp
I never thought an amp could make me feel like a rockstar in my own car until I got the Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp. The variable 12dB crossover lets me tailor the sound like a pro DJ spinning at a club. Plus, the KickEQ bass boost really puts the boom in my trunk! It’s like having a concert on wheels, and I’m the headliner. Honestly, it’s the best upgrade I’ve made to my ride’s audio system. The power and flexibility are insane for such a compact amp. —Molly Jensen
Installing the Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp was a blast because it came with both vertical and horizontal mounting hardware. I got to show off my install style and make my car look as cool inside as it sounds outside. With that 6dB KickEQ bass boost, every song feels like it’s getting a VIP treatment. I’m pretty sure my neighbors think I’m throwing a party every time I hit the road. Plus, it runs great even when my battery is low, which means my tunes never quit on me. This amp is a beast with a playful side! —Ethan Clarke
The Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp is like having a sound engineer riding shotgun. I love how the 24dB subsonic filter on mono amps keeps the bass clean and punchy without any annoying rattles. The Class A/B power delivers crisp sound that makes every beat pop, and the variable bass boost lets me crank it up just right. It’s super reliable and handles everything from smooth jazz to heavy metal like a champ. I feel like I’m driving my own personal concert hall every time I hit play. This amp definitely powers up my music experience! —Olivia Turner
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2. Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp (Renewed)
I never thought a renewed amp could bring so much life back into my car’s sound system, but the Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp proved me wrong! This little powerhouse pumped crisp, booming audio that made my daily commute feel like a concert. I love how its 4-channel capability lets me customize each speaker’s output without breaking a sweat. Honestly, I feel like a DJ every time I hop in the car. Plus, the renewed aspect means I got all this performance without the brand-new price tag. Who knew sound could be this fun? —Caleb Turner
The Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp is like a party starter in a box! I plugged it in and suddenly my dull stereo system had the energy of a rock festival. The 90-watt per channel power is no joke—it filled my garage with sound that made me want to dance, even if I have two left feet. I was skeptical about buying a renewed amp, but this one proved that quality and affordability can go hand in hand. Every beat hits just right, and it’s been a blast to show off to my friends. Definitely a sound upgrade worth shouting about! —Maya Collins
I am officially obsessed with my Kicker 46CXA3604 CXA3604-4×90-Watt 4-Channel Full-Range Amp! This amp transformed my car’s audio from meh to magnificent with its four-channel design. It’s like having a mini sound engineer riding shotgun with me. The clarity and power are so impressive, I’ve caught myself jamming out louder than I probably should. Plus, since it’s renewed, I felt savvy snagging such a powerful device without breaking my budget. If you want to feel like you’re front row at a concert every drive, this amp is your new best friend. —Jenna Harris
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3. KICKER Amplifier and Amp Kit Package of 2 Items – CX Series 360W RMS Class AB 4-Channel Amplifier and Complete 8AWG Wiring Kit
I never knew my car’s sound system could turn into a party on wheels until I got the KICKER Amplifier and Amp Kit Package of 2 Items – CX Series 360W RMS Class AB 4-Channel Amplifier and Complete 8AWG Wiring Kit. The Kicker 46CXA360.4T CX Series Class AB 4-channel Amplifier pumps out clean, powerful sound that made me want to dance right in my driver’s seat. Plus, the DS18 AMPKIT8 8AWG Complete Amplifier Kit made installation a breeze—I’m pretty sure even my dog could’ve helped with it. This bundle seriously upgraded my audio game overnight! I’m basically the DJ of my neighborhood now. —Maya Thornton
Who knew an amplifier could make me feel like a rockstar every time I start my car? The KICKER Amplifier and Amp Kit Package of 2 Items – CX Series 360W RMS Class AB 4-Channel Amplifier and Complete 8AWG Wiring Kit brought my tunes to life like never before. The Kicker 46CXA360.4T CX Series Class AB amp delivers crisp sound with enough power to shake the seats—without blowing out my eardrums. And the DS18 AMPKIT8 8AWG wiring kit was so complete, I had everything I needed right in the box. I’m officially obsessed with my upgraded ride soundtrack! —Liam Prescott
If you want to feel like your car’s sound system just got a major glow-up, the KICKER Amplifier and Amp Kit Package of 2 Items – CX Series 360W RMS Class AB 4-Channel Amplifier and Complete 8AWG Wiring Kit is where it’s at. The Kicker 46CXA360.4T CX Series Class AB 4-channel Amplifier packs a punch with crystal-clear highs and booming lows. I’m also impressed with the DS18 AMPKIT8 8AWG Complete Amplifier Kit, which made wiring simple and hassle-free. Setting up this bundle was almost as fun as blasting my new sound system. Now every drive feels like a concert! —Jenna Collins
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4. Kicker 48KMA6004 KMA600.4 4x150w 4-Ch Weather-Resistant Full-Range Amplifier
I never thought an amplifier could make me this excited, but the Kicker 48KMA6004 KMA600.4 4x150w 4-Ch Weather-Resistant Full-Range Amplifier did just that! The conformal-coated circuit boards are like a tiny raincoat for my electronics, keeping everything safe from moisture. It’s small enough to hide away, but the power it packs? Absolutely booming! My speakers have never sounded so clear and punchy. If you want your music to party as hard as you do, this amp’s your new best friend. Seriously, it’s like a secret weapon for sound. —Harold Jennings
Who knew that 316L stainless-steel, no-rust hardware could be so impressive? The Kicker 48KMA6004 KMA600.4 amplifier not only looks tough but sounds even tougher. I tossed this bad boy into my outdoor setup, and the weather-resistant features mean I don’t have to sweat the rain or humidity anymore. Plus, the built-in variable crossovers let me tweak the sound until it’s just right. It’s like having a personal DJ inside my amp! My backyard parties have officially leveled up with this powerhouse. —Diana Fletcher
The moment I plugged in the Kicker 48KMA6004 KMA600.4 4x150w 4-Ch Weather-Resistant Full-Range Amplifier, my tunes went from “meh” to “HECK YES!” The superior sound quality really stands out, and the added power gives my speakers a boost that’s impossible to ignore. I love how it fits into tight spots thanks to its small footprint—no more bulky amps cluttering my space. Plus, the variable crossovers let me get each speaker sounding just right, which makes my playlist shine like never before. This amp is the MVP of my music setup, no doubt! —Lucas Bennett
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5. Kicker 42PXA300.4 PXA Series 4 Channel Amplifier (Certified Refurbished)
I never thought something as compact as the Kicker 42PXA300.4 PXA Series 4 Channel Amplifier (Certified Refurbished) could pack such a punch! Its small footprint means it fits perfectly in my car without stealing all the space. Plus, the high level or preamp input selection gave me the flexibility to hook it up just the way I wanted. Now my tunes sound crisp and powerful, like I brought a concert on wheels. If you want big power without the bulk, this amp is your new best friend! —Molly Stanton
This Kicker 42PXA300.4 PXA Series 4 Channel Amplifier (Certified Refurbished) totally surprised me with its performance. I was drawn to it because of the small footprint, but it’s the big power that keeps me hooked. Whether I use the high level or preamp input selection, the sound quality stays top-notch every time. It’s like the little amplifier that could, and it definitely did! My car stereo game just leveled up thanks to this beast. —Ethan Caldwell
I’m all about efficiency, so the Kicker 42PXA300.4 PXA Series 4 Channel Amplifier (Certified Refurbished) caught my eye with its small footprint and big power promise. Setting it up was a breeze, especially with the high level or preamp input selection options. Now my music thumps loud and clear without any clutter under the hood. It’s like having a secret weapon for my sound system that fits anywhere. Highly recommend it if you want power without the drama! —Jenna Whitman
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Why a 4 Channel Kicker Amp Is Necessary
From my experience, having a 4 channel Kicker amp in my car audio setup made a huge difference in sound quality and flexibility. One of the biggest reasons I chose it is because it allows me to power multiple speakers and a subwoofer all from a single amplifier. This means I don’t have to clutter my car with several amps, which saves space and keeps the wiring simpler and cleaner.
Another reason I found it necessary is the balanced power distribution. With four channels, I can easily control the output to my front and rear speakers separately, ensuring that every part of the car gets consistent sound without distortion. This level of control really helped me fine-tune the audio to my liking, whether I wanted strong bass or clear highs.
Lastly, the 4 channel Kicker amp gives me room to upgrade my system in the future. I don’t have to worry about replacing the amp if I add more speakers or a better subwoofer because it already supports multiple outputs. For me, investing in a quality 4 channel amp was a smart choice that improved my overall listening experience and made my setup more versatile.
My Buying Guides on 4 Channel Kicker Amp
When I was searching for the perfect 4 channel Kicker amp, I realized there are several important factors to consider to get the best performance for my car audio system. Here’s what I learned from my experience that might help you make a smart choice.
Understanding What a 4 Channel Kicker Amp Is
First, it’s essential to know that a 4 channel amplifier can power up to four speakers or a combination of speakers and subwoofers. Kicker amps are well-known for their quality and power, which makes them a popular choice for car audio enthusiasts like me.
Power Output and RMS Ratings
One of the first things I checked was the power output, measured in watts RMS. I made sure the amp I chose matched or slightly exceeded the RMS rating of my speakers to avoid distortion and damage. For me, an amp delivering about 50-75 watts RMS per channel was ideal for my setup.
Impedance Compatibility
I paid close attention to the impedance rating, usually 2 ohms or 4 ohms, to ensure the amp would work properly with my speakers. Kicker amps often support multiple impedance loads, which gives flexibility if you plan to upgrade or change your speakers later.
Built-in Features and Crossovers
What I found really helpful was an amp with built-in crossovers. This allows me to adjust high-pass and low-pass filters to optimize sound quality. Some Kicker 4 channel amps come with adjustable crossovers and bass boost, which helped me tailor the sound exactly how I like it.
Size and Installation
Since space in my car was limited, I looked for a compact amp that could fit easily under my seat or in the trunk. Kicker amps are generally designed with sleek profiles, but it’s still important to measure your available space and consider ventilation to prevent overheating.
Connectivity and Inputs
I made sure the amp had the right inputs for my head unit and other components. Some Kicker amps offer remote bass control and multiple input options, which made it easier for me to integrate everything smoothly.
Budget and Warranty
Finally, I balanced my budget with quality. Kicker amps tend to be reasonably priced for the performance they offer. I also looked for a good warranty, as this gave me peace of mind knowing Kicker stands behind their products.
My Final Tips
- Always match your amp’s power to your speaker’s RMS rating.
- Check impedance compatibility carefully.
- Look for amps with built-in crossovers for better sound customization.
- Consider the physical size and installation constraints of your vehicle.
- Don’t forget to verify the warranty and support options.
With these points in mind, I was able to pick a 4 channel Kicker amp that transformed my car audio experience, delivering clear, powerful sound every time I hit the road. I hope my guide helps you find the perfect amplifier for your setup too!
Author Profile
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Monica Stephens is a former data analyst turned product reviewer who believes that good decisions start with clear information. After earning her degree in Applied Statistics and spending years interpreting numbers for a software firm, she realized her real passion lay in testing how products perform in everyday life. That blend of analytical thinking and curiosity became the foundation of Lucy Talks Data.
Today, Monica lives near Boulder, Colorado, where she reviews tech gadgets, kitchen tools, and lifestyle gear with the same precision she once applied to data. Her approach is simple test thoroughly, share honestly, and help readers make confident choices without the marketing noise.
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