The newer Infinity systems don't necessarily have any special markings. By 2002 those systems used a remote-mounted amplifier instead of the amps on the speakers. In all Chrysler applications, all radios put out speaker-level output and will run speakers directly with or without an amplifier. The amps only modify the tone for the shape of the vehicle. That is unlike the confusing Ford and GM systems that must be matched to the amps.
The only way to know if there are amps on the speakers is to pop one out of the lift gate and look for it. You can expect to find a small plastic box with a crossover network. If there's an amp in it, there will be four wires.
Sometimes you can get an idea of whether to expect to find a remote amp by looking at the radio model. Chrysler built a real inexpensive CD-radio that turns the disc as it gets drawn in. Don't expect to find an amp with that. Most systems used the cd / cassette combo radios built by Mitsubishi. There is no radio built for a car that I'm aware of that is higher-quality. That's the one that will typically have amplified speakers.
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Sunday, February 3rd, 2013 AT 9:59 PM
