In this day and age, car amplifiers will make or break your sound system (quite literally). We can’t stress enough by saying “buy the right car amplifier” to avoid any expensive audio component replacements. Whether you’re looking for an amplifier to power your entire cars component speaker and stereo system or you’re looking for an amplifier to power your subwoofers, we created a guide that covers just that.
Before we picked the top 10, we took a look into some of todays most popular brands, such as Pioneer amplifiers, Kenwood amplifiers, Sony amplifiers, Rockford Fosgate amplifiers, Pioneer amplifiers, JL Audio amplifiers, Alpine amplifiers, BOSS amplifiers, Pyle amplifiers, MTX amplifiers, and Kicker amplifiers.
Some of these are excellent amplifiers for subwoofers, usually called 1-channel or monoblock. Some are 2-channel or more which work great as amplifiers for your component speakers (although there you’d want an amplifier with the most channels). If you’re looking for the best car amplifiers to power your entire audio system, aim at the most available channels on an amplifier.
10 Best Car Amplifiers To Get For Subwoofers and Component Speakers
10. Pioneer GM-D8601 Class D Mono Subwoofer and Component Speaker Amplifier
If you’re looking to power your subwoofer for a relatively low cost, Pioneer GM-D8601 Class D Mno Amplifier is the way to go. At just over 100 dollars, you’re getting a good bang for the buck and power. Rated at 1,600 watts, you can comfortably get consistent 800 watts of RMS power going directly to your subwoofer.
With this Pioneer amp, you can adjust the subwoofer accordingly from at little as 40 Hz to as much as 240 Hz. The newer amps (including this one) have a wired bass control module, allowing you to turn the bass level up or down without having to physically go to the amp itself and do it.
The speaker level inputs allow you to connect your OEM headunit without having to buy add-on adapters (or anything that does not have RCA-inputs). Some additional specs include: 100 dB signal-to-noise ratio which means higher music volume and less background noise and continuous power outputs come in 3 settings (of 800 watts, 500 wats, and 300 watts ).
In conclusion, this powerful and budget-friendly car amplifier is capable of pushing over 1000 watt amps and right around 800 consistently with no stress.
9. Kenwood KAC-8406 4-Channel Car Speaker Amplifier
Kenwood KAC-8406 car amplifier
Kenwood has been in the game of making amplifiers for a LONG time. It’s no wonder their amps are being used by hundreds and thousands of custom audio systems. The Kenwood KAC-8406 car amplifier is an excellent product for not only powering a small to medium sized subwoofer, but also regular component speakers.
Yes, this amp features 4 channels from which you can hook up speakers. Run 70 watts RMS from all 4 channels at 4 ohms, 200 watts RMS from 2 channels at 4 ohms, or 450 watts from 1 channel at 4 ohms.
An excellent amplifier for running component speakers and a non-overpowering subwoofer. You get Kenwood quality and Kenwood low cost with this amplifier. Check them out on their Amazon page (you’ll save 100 dollars compared to somewhere else).
8. Pioneer GMA3602 2-Channel Bridgeable Car Speaker Amplifier
Pioneer GM-A3602 2-channel bridgeable amp
Moving down to a much small and less powerful car amplifier, comes the Pioneer GM-A3602 2-channel bridgeable amp. Now, with reduced size and power comes a price that is almost half of what you’d pay for the Pioneer mentioned above. Here’s the deal, it comes rated at 400 watts max. Including two RCA inputs for your head unit, it’s very user-friendly with any RCA compatible outputs.
The continuous power come in 90 watts per channel and 60 watts per channel with a maximum continuous power output of 180 watts from one channel. Frequency response varies from 10 Hz to 70 kHz. Signal-to-Noise ratio is 95 dB or greater, giving you pretty good sound levels and not so much background noise.
If you are looking for cost effective, not overpowering amplifier that can power a few car speakers, this model by Pioneer is a fair choice.
7. Rockford Fosgate R750-10 Class D 4-Channel Subwoofer Amplifier
Rockford Fosgate R750-1D Monon Amplifier
For some moderately high subwoofer power, this Rockford Fosgate R750-1D Monon Amplifier is the way to go, seriously. While not the cheapest of the list so far, it’s designed specifically for deep hitting subwoofers used in your car or truck. Running a total of 4 output channels, its rated power ranges from 250-watt amps at 4-ohms, 600-watt amps at 2-ohms, and 750-watt amps at 1-ohm (though multiple users have reported an RMS at 1-ohm of around 900, which is impressive).
This amp features 12dB/octabe Butterworth crossover infrasonic filter and an onboard Punch EQ with +18dB boost at 45Hz. There’s various adjustments that can be done such as Punch EQ, Freq Hz, Infrasonic Filter Hz, and Gain. This amp in particular is made to work perfectly with a subwoofer set.
6. Kenwood KAC-9106D Mono Subwoofer Amplifier
Kenwoods KAC-9106D is a mono subwoofer amplifier
Talk about power when it comes to getting some serious knocking under the trunk. Kenwoods KAC-9106D is a mono subwoofer amplifier, designed to get serious wattage. This amplifier is rated at a maximum 2000 watts and a comfortable 500 watts RMS at 4 ohms and 1,000 watts RMS at 2 ohms. It includes a variable low-pass filter ranging from 50 Hz to 200 Hz at 24 dB per octave. Bass boost ranges from 0-15 dB at 40Hz (respectably).
In some cases, users have reported this AMP being able to push past 2,000-watt amps at peaks… which is very impressive nonetheless. Combine it with a bass boost control to tap into the full volume and bass level, without having to use the dials on the amp. Price is reasonable, and what you should expect to pay for a well put together amplifier that is highly powerful.
5. Rockford Fosgate R250X1 Prime 1-Channel Subwoofer Amplifier
Rockford Fosgate R250X1 is a 1-channel monoblock amp
This guy is Rockford Fosgate’s budget oriented subwoofer amplifier. The R250X1 is a 1-channel monoblock amp capable of pushing 150 watts amps RMP at 4 ohms, and 250 watts RMS at 2 ohms. Ideally, if you have a small to medium sized subwoofer, this amp would power it just fine.
The compatibility between Rockford Fosgate amps (including this one) and OEM/aftermarket headunits is flawless. There’s RCA inputs, remote punch level input, high level input, and a few other adjustable (Punch EQ, Freq Hz, Phase, and Gain).
4. Alpine PDX-V9 5-Channel Extreme Power Digital Car Speaker Amplifier
Alpines PDX-V9 5-channel Extreme Power Density Digital Amplifier
When Alpine comes up, most of the time, the first thing that comes to mind is “expensive audio equipment”. There’s no doubt they make some exceptionally high-quality audio amps, speakers and subwoofers. As our #4 contestant for the best car audio amplifiers to get, is Alpines PDX-V9 5-channel Extreme Power Density Digital Amplifier.
For the kind of amplifers you’d want to power your entire component speaker system and a subwoofer or two. This is a work of art designed by Alpine, from the compact shape, to the internal technology. You’re paying a pretty penny for sound quality that is tough to beat from other similar amplifiers.
This one is rated for 1,600 watts MAX, 100 watts RMS for 4 channels + 500 watts RMS for 1 channel. Front panel controls allow you to get access to the amps essentials without having to access the back. Quick connect terminals work flawlessly for connecting power supply and speaker wires. Shopping for a top of the line amp? Seriously look into the Alpine PDX-V9.
3. JL Audio XD700/5 5-Chanel Class D Car Speaker Amplifier
JL Audio XD700/5 Class D Amplifier
Moving down to a powerhouse of an amplifier, #3 spot goes to JL Audio XD700/5 Class D Amplifier. When we saw powerhouse, we don’t mean sheer power, as much as we mean being able to handle multiple component speaker and 1 or 2 subwoofers. Here’s some specs on how much power you can run at various ohms: 75 watts RMS x 4 channels at 4 ohms, 100 watts RMS x 4 channels at 2 ohms, 200 watts RMS x 2 channels bridged (that’s for the component speakers).
If you’re thinking of running subwoofers, you can push 180 watts RMS at 4 ohms x 1 channel, 240 watts RMS at 3 ohms x 1 channel, and 300 watts RMS at 2 ohms x 1 channel (all these power output ratings apply for both 12.5 volts and 14.4 volts).
Clearer mids and highs can be heard, all coming from an amp the size of a cigar box. A plethora of adjustable buttons can be bound on the back of the amplifier, making it an audiophile’s dream amp.
2. Alpine MRX-M110 Monoblock Subwoofer Amplifier
Alpine MRX-M110 monoblock subwoofer amplifier
As we get closer to the end of our list, be mindful that ANY of these amplifiers will be an excellent choice. Depending on how much you’re trying to power will determine which amp you should go with. Coming in as our #2 amplifier to get is Alpine MRX-M110 monoblock subwoofer amplifier. This is the kind of amplifier you use if you’re looking to run BIG power to your subs. Not only does it look very sleek, it also feed CLEAN and CRISP sound to the subwoofers (most class-d amps are know for their sound, not this one though).
With over 2000 watts max power, you’re able to get 1,100-watt amps RMS at 2 ohms, and 600-watt amps at 4 ohms RMS. It features built-in crossover, Bass EQ controls, and Subsonic Filter. With this kind of power, you’d want to have a reachable bass controller, this Alpine is fully compatible with just that.
In conclusion, consider looking into this Alpine amplifier if you want BIG power to your subwoofers.
1. JL Audio JX1000/1D Class D Car Speaker Amplifier
JL Audio JX1000/1D Monoblock Class D amp
Our #1 best car amplifier to get, hands down is the JL Audio JX1000/1D Monoblock Class D amp. As you saw earlier the previous JL Audio amplifier being reviewed, you know they don’t joke around in quality and cost. This one in particular is the kind of amplifier that will power big subwoofers without breaking a sweat. Let us dive into the numbers: at 4 ohms it powers 500-watt amps RMS, 3 ohms it powers 750-watt amps RMS, and at 2 ohms it will power 1,000-watt amps RMS consistently.
This amp features a variable Bass Bost control ranging from 0 to +12 dB centered at 45 Hz. Soft start turn-on prevents clicking and popping (commonly found in automotive amplifiers), and overall.. this amp is compact (11″ long, 7.75″ wide and 2″ high). Check it out below for more specs.
To compliment your entire car audio system, you need to find a heavy duty working battery. A batter that can handle a heavy load, and a battery that CAN crank over a vehicle regardless of the outside temperature. You can click here to see the car battery buyers guide.