What is an active subwoofer?

Subwoofers are an essential component of any audio system, providing deep bass that enhances the overall sound experience. While passive subwoofers have long been the standard choice for audiophiles, active subwoofers have gained popularity in recent years.

In this article, we’ll explore what an active subwoofer is, how it works, and the benefits it offers. Whether you’re looking to upgrade your current audio system or are simply curious about subwoofers, this article will provide you with the information you need to make an informed decision.

What is an active subwoofer?

An active subwoofer is a type of subwoofer that has a built-in amplifier. This means that the subwoofer does not need an external amplifier to power it, making it a more convenient option for many audio systems.

Active subwoofers are designed to reproduce low-frequency sounds, typically below 100 Hz, which are difficult for regular speakers to reproduce. The built-in amplifier provides the power necessary to drive the subwoofer and produce deep, powerful bass.

How does an active subwoofer work?

An active subwoofer works by taking the low-frequency signals from an audio source, such as a receiver or amplifier, and amplifying them using the built-in amplifier. The amplified signal is then sent to the subwoofer’s driver, which produces the low-frequency sound.

Active subwoofers typically have a crossover circuit that separates the low-frequency signals from the rest of the audio signal. This allows the subwoofer to focus on reproducing the low-frequency sounds while leaving the higher-frequency sounds to the main speakers.

Many active subwoofers also have adjustable settings, such as volume, phase, and crossover frequency, allowing users to customize the subwoofer’s performance to their liking.

Benefits of using an active subwoofer

There are several benefits to using an active subwoofer in your audio system:

1. Convenience: With a built-in amplifier, an active subwoofer does not require an external amplifier, making it a more convenient option for many audio systems.

2. Power: The built-in amplifier provides the power necessary to drive the subwoofer and produce deep, powerful bass.

3. Customization: Many active subwoofers have adjustable settings, allowing users to customize the subwoofer’s performance to their liking.

4. Efficiency: Active subwoofers are typically more efficient than passive subwoofers, meaning they can produce more bass with less power.

5. Versatility: Active subwoofers can be used in a variety of audio systems, from home theater systems to car audio systems.

Conclusion

An active subwoofer is a convenient and efficient option for anyone looking to enhance the bass performance of their audio system. With a built-in amplifier and adjustable settings, an active subwoofer can provide deep, powerful bass that is tailored to your specific needs.

Whether you’re a casual listener or an audiophile, an active subwoofer is a valuable addition to any audio system.