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How to Choose a Car Video System
This Kenwood KVT-915DVD features built-in surround-sound decoding for true home-theater-style digital sound.
You can make your mobile theater sound like your home theater!
As with your home stereo, it’s actually possible to get true 5.1 surround
sound in a car! The cozy, enclosed nature of the vehicle makes it easy to
hear the distinct channel separation. Your vehicle's front and rear speakers
act as the front left and right and surround left and right channels. You'll
have to add a center channel speaker (which can present some mounting challenges;
consulting a professional is highly recommended, depending on your experience)
car video system and an amplified subwoofer to complete the speaker setup.
There are several ways to get surround sound in your car: Hook your Dolby
Digital® and DTS®-compatible DVD player (or in-dash DVD receiver)
up to a separate surround-sound decoder. This is usually done with an optical
digital cable, although some brands have proprietary connections that work
between their own components. It's very similar to a home setup. The signal
from the decoder will then have to go to separate amplifiers. You'll need
amplification for your front, rear, and center-channel speakers, as well as
for your subwoofer. A four-channel amp will work for the front and rear speakers.
You'll then either need separate amps for the center channel and subwoofer,
or powered versions of both speakers (both of which are available). A very
few in-dash DVD receivers let you loop back the audio and car video signal
from the decoder and use their internal amplifiers to power the front and
rear speakers (which means you'll still need to amplify the center channel
and sub).
Install an in-dash receiver with built-in surround decoding. These receivers
decode the digital surround-sound signal internally, and have all the speaker
outputs you need, including center channel. All you have to add in this case
is an amplified subwoofer.
Use a multi-channel theater component amplifier.The mobile car
video system market in 2004 witnessed the debut of five-channel
amplifiers that feature built-in digital surround decoding. These offer front
and rear speaker outputs, a center channel output,car
video system and a preamp output for connecting a separately amplified
sub. These make for clean, powerful installations with excellent sound quality.