Best subwoofer amplifiers for 2026

irst of all, if you want bass, you have to get an amplifier. The physical nature of low-sounding notes is that they take a lot of power to produce. Whichever component subwoofer you choose, it'll sound best with an amplifier designed to play low frequencies without distortion, and provide enough clean power to fill your vehicle with the throbbing bass beats you want.

Adding a subwoofer to your audio system

The most common question we hear is "How do I wire it in?" If you already have an aftermarket receiver, adding a sub amp is a pretty straight-forward process.

• You use RCA cables from the receiver to the amp inputs,
• speaker wire from the amp outputs to the sub,
• and amplifier power and ground cables to the car's battery and chassis.

However, many cars today have built-in multi-function receivers with factory amplifiers that are impossible to replace. What's often needed is some sort of interface device, like a line output converter or a vehicle-specific amplifier interface module, to process factory signals so your sub amp can handle them and produce clean bass. Give us a call before you buy your amplifier so one of our Advisors can help you figure out what you'll need to install one in your vehicle.

For more on system integration, see Adding an amp to a premium factory system.

Why did we choose these subwoofer amps?

These are some of our best-selling mono amplifiers, which also earned an average Crutchfield customer review rating of four or more stars*. So, not only do our customers buy these amplifiers, they're so pleased with their purchase they take the time to provide some feedback once they've spent some time with it.

You can use this collection of amplifiers as a starting point in your search for your sub amp. After looking them over, if you want to dive deeper into what to look for when shopping for a mono subwoofer amplifier, check out our Car amplifier buying guide.

[Check out all of our best-selling and top-rated mono amplifiers]

Alpine S2-A60M — Compact 600-watt powerhouse

Basics: The popular Alpine S2-A60M amp makes it a little easier to get great bass in your vehicle — it's so small it can fit almost anywhere, even under most passenger seats, and it delivers the power you want without breaking your bank account. The Alpine S2-A60M mono subwoofer amplifier can send up to 600 watts RMS to a sub, filling most vehicle interiors with powerful bass goodness.

Extras: The amp employs Alpine's "Enhanced Shutdown Performance" technology to keep the music playing reliably when you're pushing it loudly for a long time. The amp will work with a factory radio, using its speaker-level inputs to get signal from the factory system's speaker wiring. If you do decide to get an S2-A60M, make sure you also get the RUX-KNOB.2 wired remote, so you'll be able to adjust the bass volume from your driver's seat.

JBL Club A600 — Space-age power

Basics: This amp is the updated version of the very popular Club 5501 amplifier, with a smaller chassis and more powerful output. Although it looks like it was carved out of a block of steel, JBL's Club A600 mono sub amp will actually deliver up to 600 watts RMS to your subwoofer. The Class D amplifier design ensures the amp'll stay cool while playing loudly and that its high output won't put any strain on your vehicle's electrical system.

Extras: Speaker-level inputs allow this amplifier to integrate into almost any system, even one using your car's factory radio. You can use the low-pass filter and variable bass boost to maximize the performance of your subwoofer and enclosure, while a phase switch ensures that the bass will blend well with your full-range speakers.

AudioControl EPIC1000 — Compact, powerful, and affordable

Basics: AudioControl's EPIC1000 offers you more power per square inch and watts per dollar than most other amps on the market today. This 1000-watt amplifier was designed specifically for subwoofers as it features low-pass and subsonic crossover filters, a tunable bass boost, and a wired remote bass control.

Extras: AudioControl made this EPIC amp for ultimate bass sound and connectivity, and includes a power and ground connection harness that'll work with their EPICENTER® bass enhancers as well as with their other line output converters and interface processors.

Kicker 47KEY500.1 — Automatic bass

Basics: Now you can get fantastic, powerful bass without shelling out a lot of money for a huge amp or spending too much time tuning the system after installation. Kicker's KEY500.1 compact subwoofer amplifier features automatic signal processing that tailors the sound to blend in perfectly with your specific stereo system. And this compact power pack can send up to 500 watts RMS to your sub.

Extras: After installation, you download test tones from Kicker and use the auto setup to analyze your system's response and apply the equalization and bass boost necessary to produce great bass. In addition, the KEY500.1 features an automatic limiter that protects your sub from any electrical dips or surges when an eco-friendly start-stop car starts up again.

Rockford Fosgate Power T750X1bd — Super compact, bursting with power

Basics: Rockford Fosgate's Power Series T750X1bd mono amplifier can drive up to 750 watts RMS into a 1-ohm load, allowing you to power multiple subs for bigger and better bass. A dual-fan forced air cooling system keeps this sturdy little amp from overheating, so it can play hard for a long time.

Extras: The amp's controls feature input and output clip lights, to show you when the signal's good (blue) or too high (red). The optional wired remote has a clip light on it as well, so you can monitor and control the bass level from the front seat.

Kicker CXA1200.1T — High-level bass power

Basics: Like your bass loud? Kicker's CXA1200.1T mono subwoofer amplifier can put out up to 1,200 watts RMS, so your sub will really push some air. The quality of the bass tone matters as much as the volume, so the amp features low-pass and subsonic crossover filters plus a variable bass boost to get maximum performance from your sub/enclosure combination.

Extras: This amplifier works with 1-ohm loads, so you won't have to worry too much about matching impedances when you add a second or third sub to your system. Kicker's Fail-Safe Integration Technology keeps this amp's input free from noise or interference, so you can tap into your vehicle's speaker wiring for an input signal without a worry.

JL Audio JD500/1 — Power up the bass

Basics: JL Audio's JD500/1 offers superior power and serious features for your dollar. This mono subwoofer amplifier will send up to 500 watts RMS to a sub, so you'll hear and feel the bass the way you want it. A variable low-pass filter and bass boost help you tune your sub to fit your system and sound its best. An optional wired remote control lets you turn the sub up or down from the front seat.

Extras: The amp includes speaker-level inputs with signal-sensing amp turn-on, along with preamp inputs and outputs, so it's ready to work in virtually any system. Differential-balanced inputs plus JL Audio's NexD™ amp technology keep the signal sounding pure and noise-free at all times.

Building your bass system

With the right subwoofer amp, every ride becomes a dance party. To get that party started, there are a few important things to keep in mind while shopping for a subwoofer amp. Namely, the mix of power and impedance.

Getting the right amount of power (watts)

You want the bass to musically blend and be well-balanced with the rest of your system, so, here's a good rule-of-thumb guide to power:

Matching the amp to the subwoofer's impedance (ohms)

A subwoofer has impedance (measured in ohms) which represents the "load" an amplifier will sense on its output. An amplifier will put out different amounts of power (watts RMS) based on the impedance load it "sees."

Most subwoofer amps are optimized for pushing 2-ohm loads. The question becomes, at what impedance can the sub be wired? Here are some examples of the answer:

Check out our subwoofer wiring diagrams for more solutions.

Putting it all together

Getting the right sub for an amp, or the right amp for a sub, is like solving a puzzle where the amplifier's capabilities (X watts RMS into Y ohms) needs to match the subwoofer's specifications (Y ohms and can handle X watts RMS). Your goal is to get those two variables to match for both the amplifier and the subwoofer. For more information see our article about how to match subwoofers and amplifiers.

Let us help you shop

Don't forget to read our car amplifier buying guide, and then contact our advisors if you have any questions or to confirm what you need to install a new mono subwoofer amplifier in your car.