5 Best Power Amplifiers for Your Subwoofer

(Updated on October 22, 2019)

Power amplifiers are electronic devices or accessories which can amplify the audio signals from your radio or music player for the speakers of your sound system. Most people who care about the sound system in their vehicles will want a power amp installed to take their sound system to another level.

Power amplifiers can power any range of listening devices, such as component speakers, subwoofers, and entire stereo systems. Of course, there are many different power amplifier models on the market. Some amplifiers are better than others for your particular audio system and speakers.

For instance, if you’re only powering a subwoofer, then you’ll want a 1-channel amplifier. But if you have component speakers, then an amplifier that is 2-channel or higher is better. The more speakers and subs you have, the more channels you generally need.

The best thing to do is to purchase an amplifier that has a higher number of channels than you currently need. That would be the safest choice for future demands.

Top 5 Best 1-Channel Power Amps for Your Sub

When searching for power amplifiers, there are several brands to choose from. Some of these brands include Alpine, BOSS, Pyle, MTX, Kicker, JL Audio, Pioneer, Rockford Fosgate, Sony, and Kenwood. Below are five of the best power amplifiers on the market today.

1) JL Audio JX1000

JL Audio JX1000 is a top-quality power amplifier for your car. It is designed for powering huge subwoofers easily. This amp offers a hefty 500-watt RMS of power at 4 ohms; 750-watt RMS at 3 ohms; 1,000-watt RMS at 2 ohms.

The Bass Bost control of the amplifier ranges between 0 and +12 dB. There won’t be any popping when you turn it on because it turns on softly. This is a compact amplifier that is 2 inches high, 11 inches long, and 7.75 inches wide.

There’s a reason why JL Audi is considered by many to be the best power amplifier brand in the biz.

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2) Alpine MRV-M500

Alpine MRV-M500 is a monoblock subwoofer amplifier which is great if you want to give your subwoofer a lot of power. This 1-channel amp offers 500W RMS at 2 ohms and 300W RMS at 4 ohms.

Once your subwoofer starts reproducing the audio signals, you’ll hear some of the cleanest and strongest bass possible. A nice bonus is that a remote wire is not necessary if you use speaker level inputs. It will automatically turn on when needed.

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3) Rockford Fosgate R250X1

The Rockford Fosgate R250X1 is a subwoofer amplifier with one channel. It is recommended for consumers who are on a budget and want something simple that works great. Its 150 watts of RMS at 2 ohms isn’t as powerful as others but for the price, it’s hard to beat.

If the size of your subwoofer ranges from small to medium, then the R250X1 should be good enough to power it. As for compatibility, this Rockford Fosgate amplifier works great with virtually all aftermarket units. Use the RCA inputs for easy connectivity between these devices.

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4) Kenwood KAC-9106D

On the other side of things, the Kenwood KAC-9106D is made to provide some serious power. This is a mono subwoofer amp offers up to 2000 watts max. It’s rated for 500 watts RMS at 4 ohms (and 1,000 watts RMS at 2 ohms).

The low-pass filter has a variable range of between 50 Hz and 200 Hz. If you want an amplifier with a lot of power, then check out the Kenwood KAC-9106D.

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5) Pioneer GM-D9701

Pioneer’s GM-D9701 is a popular 1-channel amp which offers up to 2400 max watts of power. You’ll get 800 watts RMS at 2 ohms and 500 watts RMS at 4 ohms. The construction, from the heavy duty aluminum heat sink to the preamp RCA outputs, is top notch.

It has a 10-240 Hz frequency response and comes with a wired remote bass level controller for easy adjustments from the front seat. For a high quality budget build, it’s hard to find a better value in a powerful 1-channel amp.

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