Rating: 
Summary: Every thing is OK
Review: Will be better if the player can manage folders in the disk
Rating: 
Summary: Horrible purchas
Review: This was hands down the most disappointing purchase of my life
Rating:
Summary: Cheaply Made, Sounds Very Good
Review: I bought this back in late May of this year using the pick-up from Circuit City option here on Amazon (this works extremely well) because I wanted a relatively inexpensive MP3 CD player. Overall I am happy with it, but the build quality and not-so-good anti-skip are somewhat big drawbacks.First of all, the firmware that comes on the unit stinks. It produces good sound quality but lacks a lot of features. As is common with owners of these units I followed instructions on how to install the version 2.04 firmware for the RioVolt IMP100. With this firmware this unit is quite nice. It has very little delay between tracks and allows for Winamp playlists among other things. The firmware, either original or upgraded, is quite easy to use once you get used to it and works well enough. The display is only 2 lines with a rather stupid-looking dancing figure on the bottom half. But that 2-line space is used very effectively by the firmware. As for sound quality, it is very good. It is a step above my SoundBlaster Live! 5.1 sound card in my computer for both MP3s and regular audio CDs. The equalizer isn't anything to brag about, but it is quite effective for getting the most out of small portable headphones. The earbuds that come with this thing are pretty decent, especially if you add some foam pads to them. But I highly recommend some Sony MDR-829LP earbuds instead, as these will provide far superior sound quality and good bass, especially if you double up on the foam pads with them and adjust the EQ a bit. As for build quality, it stinks. Quite cheaply made and I doubt that I will be able to use this thing for more than a year or two without it falling apart. And the anti-skip function is not very effective if you have the CD player in a pocket in your jacket and are walking at anything but a snail's pace. Otherwise, the anti-skip works fine and should work flawlessly in a car or other place where it is sitting flat. For the money this is quite a nice MP3 CD player especially in the sound quality department. But you get what you pay for in build quality, though. Maybe a little less.
Rating:
Summary: Pretty good unit.
Review: Sound quality is excellent! It looks and feels well-built, sturdy, somewhat on a heavyweight side. I found that when using while jogging, even fast walking or any other vigorous exercise, it skips badly, unless you set it on a maximum 120 sec. anti-skip protection. However, on this setting it drains batteries in no time. My advice: if you use it for active exercise, get good quality rechargeable batteries, set it on max. anti-skip and recharge batteries after each use, as they will be pretty much drained down.
Rating:
Summary: Great product.
Review: This product is great though it typically will not give you more than 5 odd hours of battery life on an alkaline battery if you use forawrd /search mode often. However It is still a great product and I would recommend that people use rechargeable batteries with it .
Rating:
Summary: Excellent CD/MP3 player
Review: After using this player I don't know how people use non-cd based MP3 players. The RioVolt SP90 has played almost every single disk that I have played in it, the lone exeption was the fault of my cd-burning software.
It has played almost all of the MP3's on a disc, but if the MP3 has ID tag's of a different version the player won't touch them.
Also the player is remarkably sturdy. I carry it in my backpack, I've dropped it several times while it was playing and it still works great.
Even the included headphones are of a decent quality and sound good. The one problem I've had is that listening to CD's, there is sometimes a hiss or other noise in the background.
Rating:
Summary: Great Value!
Review: This is one great MP3/CD player, especially for the money. I recently got one, and I have used it non-stop for the past month. It handles file with ease, and the navigation system isn't hard to get used to. The 2 minute anti-skip works as advertised, and it is good on batteries (about 12 hours). It is finicky with burnt CD's though... it would skip on CD's that I burned at 48x, but that was solved by turning it down to 24x. I have had no skip problems after that. The volume is a little low, but its perfect to listen to in most situations. This is a great product, and I recommend it to anyone on a low-budget income (aka teenagers).
Rating: 
Summary: Worked 4 a while
Review: mine worked for about 11 months then it just quit working
untill then i was really impressed,ooks good,sounds good,plays mp3 cds then it quit reading cds it dosent read cds or mp3 cds any more its a giant paper wieght
Rating: 
Summary: Great Value
Review: Complain all you want about the small features that it doesn't have, or are not good enough, but the fact is that this player is the best value for money I know - tags and folders support, very easy navigation system, good sound and very reliable (I've had it for about a year during which I travelled extensively).
The only problem (which isn't significant enough for taking off any stars) is that the batteries do seem to end earlier than I expected, even with MP3 CDs, but it's not too bad.
Rating:
Summary: Good for the price, not for loud places
Review: Good battery life, no back light, maximum volume is low. good price. Durable...I've dropped it twice still works.
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