How To Buy An Amp For A Subwoofer?

There are a few things to consider when purchasing an amplifier for a subwoofer. The first is the wattage output of the amp. It is important to make sure the amp can handle the power requirements of the subwoofer.

The next thing to consider is the impedance of the amp and speaker. Most home theater receivers have a low impedance rating, so it is important to find an amplifier that can work with that. Finally, consider the size of the room and how much volume you want from the subwoofer.

A larger room will require a more powerful amp to fill it with sound.

  • The first step is to determine the size of the amplifier that you need
  • The next step is to choose the type of amplifier that you want
  • There are two main types of amplifiers, Class A and Class D
  • Class A amplifiers are more expensive but they offer better sound quality
  • Class D amplifiers are less expensive but they don’t offer as good sound quality
  • The next step is to decide how much power you need
  • The final step is to choose a brand and model that fits your budget and needs

How to choose the right amplifier for your subs

How Do I Know What Amp to Get for My Subs?

If you’re looking to add some serious bass to your music, then you’ll need to invest in a quality amplifier. But with so many options on the market, it can be tough to know which one is right for your needs. Here’s a quick guide to help you choose the perfect amp for your subs.

First, you’ll need to determine how much power you need. This will depend on the size and number of subwoofers you’re using, as well as the sensitivity of your subs. A good rule of thumb is that each subwoofer should have its own dedicated amplifier channel, and each channel should be able to deliver at least 50 watts RMS (root mean square).

Next, consider the features you want in an amplifier. If you plan on doing any serious customizing or installing, then look for an amp with built-in crossover controls and equalization settings. These will allow you to fine-tune the sound of your system to perfection.

Other handy features include bass boost controls and remote level controls, which let you adjust the bass levels from outside the vehicle. Finally, make sure you get an amplifier that’s built to last. Look for models with heavy-duty construction and robust circuitry that can handle extended use without skipping or overheating.

And don’t forget about warranty coverage! A good amp should come with a solid warranty from the manufacturer in case anything goes wrong down the road. With these tips in mind, finding the perfect amplifier for your subwoofer system shouldn’t be too difficult.

Just take your time, do your research, and listen to your favorite tunes with new found bass today!

What Type of Amp is Best for Subwoofer?

There are a few things to consider when choosing an amplifier for your subwoofer. The first is power. How much power does the amp need to be able to produce in order to drive your subwoofer?

The second is impedance. What is the impedance of your subwoofer? The third is frequency response.

What frequencies does the amplifier need to be able to reproduce in order for it to work well with your subwoofer? The answer to these questions will help you determine what type of amp is best for your subwoofer. If you have a powerful subwoofer that requires a lot of power, then you’ll need an amp that can produce a lot of power.

If you have a lower powered subwoofer, then you’ll need an amp that doesn’t require as much power. If you have asubwoofer with a high impedance, then you’ll need an amp that can handle high impedances. And if you have asubwoofer whose frequency response isn’t as wide as some others, then you’ll want an amplifier whose frequency response can match it.

How Many Watts is a Good Amp for a Subwoofer?

If you’re looking for a good amp for your subwoofer, you’ll want to make sure it has enough watts to power your sub. A good rule of thumb is to get an amp that has twice as many watts as your subwoofer’s RMS rating. So, if you have a subwoofer with an RMS rating of 1000 watts, you’ll want an amp that has at least 2000 watts.

What Size Amp Do I Need for a 500 Watt Sub?

If you’re looking to power a 500 watt subwoofer, you’ll need an amplifier that can deliver at least 500 watts RMS (root mean square) to the subwoofer. Ideally, you’d want an amplifier that can deliver even more than that – around 800-1000 watts RMS would be ideal. This way, you’ll have plenty of headroom and your subwoofer will always sound its best.

Keep in mind that the actual power draw of your subwoofer will vary depending on how hard it’s working at any given moment – so it’s always better to have more power available than you think you’ll need.

How To Buy An Amp For A Subwoofer?


Match Subwoofer to Amp Calculator

It’s easy to find a subwoofer and amplifier that work together. But how do you know if they’re compatible? The answer lies in the math.

To get started, we need to understand two things: impedance and power. Impedance is measured in ohms and refers to the amount of resistance an amplifier will encounter when trying to push electrical current through a speaker. The lower the impedance, the easier it is for the amp to drive the speaker.

Power is measured in watts and refers to the amount of power an amplifier can deliver to a speaker. Now that we know those two things, we can start matching amplifiers to subwoofers using a simple formula:Power (watts) = Voltage²/Impedance (ohms)For example, let’s say you have a 12-volt battery and an 8-ohm subwoofer. Plugging those numbers into our formula, we get:Power (watts) = 122/8= 144 wattsSo, in this case, you would want an amplifier that can produce at least 144 watts of power into an 8-ohm load.

Easy enough, right? Now let’s say you have a little more information about your system. In addition to knowing the voltage and impedance of your subwoofer, you also know that you want your amplifier to be able produce 100 watts of power at 2% THD (total harmonic distortion).

How do we use that information? Simple – we just rearrange our original formula slightly:Voltage = SQRT(Power x Impedience)/2% THDWith our new variables plugged in, it looks like this:Voltage = SQRT(100 x 8)/0.02= 99 voltsSince we now know that our ideal voltage is 99 volts, we can go back and recalculate what our minimum power requirement would be by plugging 99 volts into our original formula like this:Power (watts) = 992/8= 1225 wattsSo now we know that if want an amp that produces 100 watts at 2% THD into our 8-ohm subwoofer, then it must be able produce at least 1225 watts into an 8-ohm load! Hopefully this has helped clear up some confusion about how to match amplifiers and subwoofers together.

If you have any further questions or need help selecting components for your car audio system, feel free contact us today!


Whether you are a music lover or not, having a subwoofer at home is always a great idea. Not only does it add an extra element to your audio setup, but it also allows you to enjoy your music at a whole new level. If you are thinking about buying a subwoofer for your home, there are a few things that you need to keep in mind.

In this blog post, we will be discussing how to buy an amp for a subwoofer. The first thing that you need to do is figure out what kind of subwoofer you want. There are two main types of subwoofers: active and passive.

Active subwoofers come with their own amplifier, while passive subwoofers do not. If you want an easy-to-use system, then we recommend going for an active subwoofer. However, if you are looking for better sound quality, then a passive subwoofer is the way to go.

Once you have decided on the type of subwoofer that you want, the next step is to figure out which amplifier is best for it. When choosing an amplifier for your subwoofer, make sure that it has enough power to drive the woofer properly. We recommend using an amplifier that has at least 75 watts of power per channel.

If you follow these tips on how to buy an amp for a subwoofer, we are sure that you will be able to find the perfect one for your needs!