If you're ready to take your in-car sound to the next level, a 4 channel amplifier is a versatile and powerful upgrade. At Supercheap Auto, we offer a range of 4 channel amps from trusted audio brands, built to suit everything from everyday setups to custom sound systems. With options to power front and rear speakers, or to run two speakers and a sub, these offer plenty of flexibility for upgrading your audio experience. Whether you're aiming for clearer vocals, stronger bass, or all-round better sound quality, there’s a 4 channel amp to match your needs.
What is a 4 channel amplifier?
A 4 channel amplifier powers four individual speakers or a combination of speakers and a subwoofer. It’s commonly used to power both front and rear speakers for balanced sound across the entire vehicle. You can also bridge two of the channels to run a subwoofer, while still powering two speakers with the remaining channels. This makes 4 channel amps a great option for building a fuller, more immersive sound system without needing multiple amplifiers. These are ideal for those looking to make a bigger impact with their car audio setup.
How to choose a 4 channel amp?
When choosing a 4 channel amp, consider how you plan to use it, whether it's powering four speakers or a combination of speakers and a sub. Look at RMS power ratings, impedance compatibility, and built-in features like high and low-pass filters or bass boost controls. Make sure the amp matches the power requirements of your speakers and fits in the available space in your vehicle. If you're upgrading from a factory system or expanding an existing setup, a 4 channel amp offers a great balance between performance and flexibility.
Get more from your car audio with a 4 channel amp
Our range of 4 channel amps are a solid choice for those wanting more control, more power, and better sound across the whole vehicle. These are perfect for powering a full speaker setup or combining speaker and subwoofer outputs in one compact unit. From daily drivers to weekend cruisers, a 4 channel amp adds clarity, punch, and depth to your favourite playlists. Whether you’re upgrading an existing system or starting fresh, these amps provide the versatility and performance to take your car audio to the next level.
Shop 4 channel amps at Supercheap Auto
Explore our full range of 4 channel amps online or in-store at Supercheap Auto. With a wide selection to choose from, you’ll find options to suit a variety of sound systems, budgets, and installation styles. Whether you're after a high-powered unit for a custom setup or a compact amp for a clean factory upgrade, we’ve got you covered. Plus, we offer all the installation accessories you’ll need, from wiring kits and harnesses, to upgraded speakers.
Frequently Asked Questions - 4 Channel Amps
Can I use a 4 channel amp to power a subwoofer?
Yes, you can bridge two channels on a 4 channel amp to send more power to a subwoofer while still powering your speakers with the remaining channels. This allows for a well-rounded audio system with both strong bass and clear sound. Bridging the channels for a subwoofer also helps maintain the balance in your system, ensuring you don’t compromise the performance of your speakers while adding more bass to your setup.
Do I need a 4 channel amp for my car speakers?
If you want to upgrade your entire car audio system and improve sound clarity across all speakers, a 4 channel amp is a great choice. It’s especially useful if you plan to upgrade both front and rear speakers or add a subwoofer to your setup. A 4 channel amp ensures consistent power delivery to all your speakers, allowing for better sound staging and a more immersive listening experience.
Can I install a 4 channel amp myself?
Yes, installing a 4 channel amp is possible for DIY enthusiasts with basic car audio knowledge. You’ll need an amp wiring kit, some tools, and a bit of patience. Be sure to follow the installation instructions carefully, and double-check all connections for safety and optimal performance. If you’re unsure at any point, consulting a professional installer can ensure the job is done correctly and your system performs at its best.
What’s the difference between a 4 channel amp and a 2 channel amp?
A 4 channel amp can power four individual speakers or a combination of speakers and a subwoofer, offering more flexibility and coverage across your vehicle. A 2 channel amp, on the other hand, typically powers two speakers or can be bridged to run a single subwoofer, making it better for simpler audio setups.
