Rating: 
Summary: Enormous amounts of storage
Review: The fact that this changer holds 400 CDs is great. The amazing thing is that those CDs and be CD-Rs or CD-RWs filled with MP3s. For those of you playing along at home that's a little over a quarter of a terabyte of music at your finger tips. And you can daisy chain two devices together if that's not enough space. I've been impressed at how well it handles MP3s. It's smart enough to treat each folder as a album and has controls to skip between them as if they were individual discs. I was looking for a good way to both backup and integrate my MP3 collection with my other entertainment components. By burning my collection to a bunch of CD-Rs I solve both problems with the CDP-CX455. The cost per GB of storage is slightly more than buying a bunch of hard drives, but way more convenient (for me)and you don't have to worry about a drive breaking on you.
Rating: 
Summary: Almost great
Review: The Sony CDPCX450 will handle a huge amount (400) of cd's. Certainly my entire collection. The two-way remote is cool and very functional allowing the remote to store the names and artists of each CD after you input this information into the changer.The unit has all the features that you'd expect including an optical output. My only gripe: The unit only allows 20 characters for song or artist names. This is not nearly enough characters for many CD's in my collection. So you end up having to abbreviate the titles and artists, which gets kind of funky. Also, the unit only allows ten characters for group names. Once again, not quite enough. Otherwise this is a great changer and works well. Keep in mind that this unit does not play MP3's. Sony's CDPCX455 does.
Rating:
Summary: 5 Stars, but Watch Out!!
Review: They SAY they're fully linkable, but use extreme care when buying more that one unit for your very extensive collection. These things are all very intelligent machines-- too smart for their compatability with each other. They are "Master Drives," according to one Sony Rep, and are therefore not set up to be "Slaves." Sony will tell you that you can access 800 Total CDs, but instead of being able to purchase 2 of these guys at 400 each, you've got to get this one and 2 more 200 CD players. If you DO buy 2 of these, you have access to all 400 in your primary, but only 200 of the 400 possible in your secondary. Now that I'm done writing to a miniscule portion of the public that might want to access 401-800 discs, I love mine. It's a convenient, wonderful machine. I feel like I'm in control of an entire radio station when I tell it to shuffle. Have fun.
Rating:
Summary: Makes listening to music easy.
Review: This is the first CD changer that we purchased. What a difference it has made! We don't have to keep changing discs and we can jump to any disc we want quckily without having to search through a stack of CD's. My partner has his favorite CD's under his "artist's" name and I have mine under my name. We can then play our set anytime we want either in continuous mode or shuffle. We have 198 more "artist's" slots that we can program any number of discs to. If you have a combination of CD albums and individual tracks you can program upto 32 of them in one program. There are three program slots. Entering data was a pain but it was easier with a key board but once that is done you can sit back and enjoy the music. We made a list of all our CD's so we could refer to it. Also we put the CD's in different categories and left several slots open in each category so we can add more CD's in the future. I called Sony's customer service number twice on a Saturday afternoon and got through each time with out any problems. You first have to go through this very "real" sounding voice recognizing machine but then you will get to speak to somebody and they were very helpful with some functions that I did not follow.
We have used this great gadget for about two months and we have not had any scratches on our CD's. We are very happy with this product!
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