I chose this deck out among others for two features specifically: A2DP (bluetooth stereo) support, and 5V pre-outs. Despite a laundry list of other great features, the CZ702 disappoints on these two critical fronts.
To be fair, the bluetooth problems I've seen could be attributed to my computer rather than the CZ702. A couple of different Android devices connect without issue and both music and hands-free operation are great. The laptop however, connects to the deck but after much struggle, ultimately would not output any sound to it from WIndows 7. I tried MS's bluetooth drivers as well as a couple of different versions from the vendor (Acer).
I booted the same laptop into Ubuntu and was able to get phone-quality audio through the deck, but nothing you would actually want to listen to music or even spoken word through for any length of time. Again, this could just be immature drivers from MS and Linux, and no fault of Clarion, since Android had no problem with bluetooth and the CZ702.
The second great disappointment was the 5V pre-out. If you know what this is, then you know that the whole point of it is to boost your SNR for a low-noise experience. The CZ702 may or may not output true 5V signal; I have no way to verify this. The real problem is an unmistakeable hissing coming from the speakers at all times when the deck is on. The hissing gets louder when you turn up the volume and quieter when you turn it down. It is clearly audible even with the deck volume set to 1. Turn the deck volume to 0 however, and the hissing immediately disappears. Clearly this noise is not coming from the amp (this amp has already proven to be virtually noiseless anyway). I don't mean to give the impression that this hissing overpowers the music. It doesn't, and in fact it's probably not worse than your average sub-$200 deck. The point is that for a product that boasts premium features, the CZ702 unfortunately fails to delivery where it counts.
I won't bother going on about all of the features. There are many, and for the most part they function as you would expect, but if you're somebody that values sound quality in your car audio, this deck unfortunately fails to separate itself from the pack.
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