Car stereo CD changers are CD players that can hold more than one CD. Some car stereo CD changers only hold a few CDs while others can hold over fifty. Car stereo CD Changers are part of what is known as the head unit. It is the control center of a tape-oriented car stereo system. It’s the brains and connects to the muscle, which consists of amplifiers and loudspeakers. Many people refer to the unit as the deck, receiver or CD player. This term indicates what type of input you would expect to use the head unit with.
Car stereo CD changers should be able to handle many different audio formats besides CD audio. MP3 CDs are a great way to listen to tons of music in the car. However, car stereos can sound surprisingly good. Given that, you may want to consider what options you include in your car stereo. Many people equip their cars to work with Apple’s iPod portable audio players. You will want your car stereo to work with all standard formats, such as CD and MP3, but also work with high-resolution audio formats, like DVD Audio and Sony’s SACD. Sony have established SACD as a contender and started a format war. They are the only corporation on Earth that can do that; they own half the music on earth and can manufacture players too. Sony started a format war simply by only allowing their vast music catalogue to be released on SACD, never on DVD Audio.
If your CD changer can play SACD or DVD Audio, you may want to consider equipping your car with surround sound rather than just stereo. After all, you’ll probably have speakers in the back of the car anyway, and if you like strong bass you’ll have a subwoofer. High definition audio formats require 5.1 sound capability actually. he 5.1 format indicates by the name 5.1 the number of discrete (separate) channels it allows. For example, 5.1 sound has to one center channel, a left and right channel, and two surround speakers and a subwoofer (the .1 part). Incidentally, you need at least two loudspeakers to create the illusion of sound having any direction other than from the speaker itself.
Ideally, your car stereo CD changer should be able to cope with rewriteable media. Rewritable media is not only cost-effective, it’s reusable and thus effective for temporary storage of music or video that you want to share or enjoy only temporarily. Rewriteable media is an offshoot of the computer world. The main formats are CD-R/RW, DVD-R/RW and Panasonic’s less popular format, DVD RAM. Consumer electronics companies are answering the call to make their CD and DVD players compatible with rewritable media from a playback point of view. They are also making devices, such as home theater DVD burners, that use rewritable media without the need for a computer. These discs can then be used in your car, if your car stereo CD changer supports rewritable media.
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