Factory speakers usually sound fine when they're new, but they deteriorate over time. We compared speakers of different ages to see how badly they fare.

Your car can be a great place for music listening. Many commuters suffer for hours each day with inferior sound quality that they'd never tolerate from their systems at home. Here are some tips on how to improve sound quality in your vehicle, whether you're listening on a simple factory system or a multi-channel amplified setup.

Just because you can't replace your vehicle's factory stereo doesn't mean you have to live with a poor sound system. In this short video, Crutchfield experts take a look at how a fellow employee created a high-performance car audio system.

These days we can add iPod controls to almost any vehicle's stereo by using vehicle- or stereo-specific adapters.

Many new vehicles incorporate climate controls and other features into their factory radios, making it difficult to install a new stereo. Car stereo manufacturers have responded with a variety of products for upgrading your factory radio. Don't want to replace your radio? Charlie Pastorfield reviews some of your options.

Bluetooth® wireless technology can be a great benefit in the car, where we tend to juggle gadgets plugged into the stereo. Find out what it takes to add hands-free talking and wireless music streaming to your car stereo.

You don't need to feel like you're stuck with the few features that happen to be built into your factory stereo. In this short video, Crutchfield experts explain how easy it can be to add the options you want, like iPod control or hands-free calling, to your factory stereo.

Factory speakers are not built to last, so over time they'll deteriorate to the point where they sound truly awful. We set up a blind listening test in our Labs and invited some of our most critical listeners to drop by and see if they could tell a difference in the sound.

If you want your music to be loud, amplifiers are definitely part of the picture. But an amp can do much more than just get other people's attention.

Subwoofers are speakers dedicated solely to reproducing low frequencies. No matter what kind of music you like, or at what volume you listen to it at, they can be a crucial part of your overall listening experience.

An explanation of iBiquity Digital's HD Radio technology and what it means for AM and FM radio listeners.

Learn how to take your digital music collection with you on the road.

Replacing your vehicle's factory speakers is one of the easiest ways to get a dramatic improvement in your car stereo's sound quality. In this short video, Crutchfield experts discuss how and why to change your factory speakers.

I put in a plug-and-play satellite radio recently, connecting it to my Dual XHD-6425 head unit through its aux input. With channel guide in hand, I began flipping stations in earnest, ready to...

Bluetooth lets you talk hands-free in the car, but it can do a lot more. Many in-dash stereos also let you stream audio from your phone over your vehicle's speakers. Depending on your phone's features, you may be able to listen to driving directions, Internet radio, stored music, and more.

Factory speakers are the bane of every music lover's existence. They're just not built to withstand the conditions inside your car over time. Fortunately, we carry all kinds of aftermarket speakers that are built to survive - and thrive - in these harsh conditions.

Installing tweeters in your factory tweeter locations, or custom-mounting them on the upper part of your doors, will give you better stereo imaging and raise the soundstage to your ears. You'll hear better placement of instruments in recordings, and you'll enjoy more depth of sound. And they might not be as difficult to install as you may think.

With iDatalink's Maestro radio replacement package, you can install a powerful Kenwood navigation receiver and keep your familiar SYNC features intact.