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A home stereo system built around an integrated amplifier is perfect for a serious music lover. Learn what to look for as you shop.

Learn the basics of power amplifier applications and connections, plus criteria for choosing the right amplifier for your PA sound system.

Marine stereos are available in a variety of shapes, sizes, and configurations. Our handy guide will help you find the receiver that's right for your boat.

Golf carts aren't just for the "back nine" anymore -- they're almost as likely to be seen driving around the neighborhood. Your cool cart deserves a stereo to match.

New marine speakers in your boat will give you an immediate upgrade in sound quality, but you'll also need a marine amplifier to get the best sound over open water.

Marine radio buying guide
by Tim Sprinkle

From sunlight to rain to extreme temperatures, your boat's marine audio system has to endure a lot of abuse. This article will help you choose the right marine stereo.

Upgrade your car's sound
by Buck Pomerantz

Factory stereo systems leave a lot to be desired. The four upgrade systems we discuss in this article improve the factory sound of different vehicles in different ways.

This article will help you figure out how to start building the car stereo system that's right for you, by deciding where the weakness is in your current system.

Life with a factory stereo
by Charlie Pastorfield

Many new vehicles make it difficult to install a new stereo. This article covers some of your options for improving the sound without changing the stereo.

Video: Upgrading Your Factory Stereo, part 2
by Robert Ferency-Viars, Ken Nail

In this short video, Crutchfield experts show how a fellow employee created a high-performance car audio system without replacing his vehicle's factory stereo.

Video: car amplifier power
by Zak Billmeier, Ken Nail

We describe the basics of deciding how much power an amplifier should have when you're trying to match it to your speakers or subwoofers.

When it's time to upgrade your boat's audio system, it's important to look for marine-rated stereo equipment that can stand up to life on the water.

These bolt-in audio component kits from Rockford Fosgate will make your Polaris RZR rock. They let you upgrade your sound without cutting or modifying your RZR.

Building a great car stereo doesn't have to be an "all or nothing" proposition. With a plan and a budget, you can build a great audio system one step at a time.

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