Rating: 
Summary: Great Discman/mp3 player
Review: I bought this item about 2 weeks ago and the sp90 and i find this to be better than the sp90 for 3 reasons. the backlit display the option to get the upgradedable firmware and the optional remote. i would sugest this product to anyone for someone who wants simplicity without getting lost in the ocean of products there is right now.
Rating: 
Summary: Do Not Buy This Product
Review: I bought this product for my 15 yr old son for Christmas and less than two weeks later it does not work. I would not even rate this product one star. When you push the play button it says "door open" even though the door is closed. My son has e-mailed the technical support for the company and had no results. We have called technical support numerous times and because of the high volume of calls (obviously others are having a problem with the product too), we are unable to get through. I am very disappointed and very dissatisfied with this product. Unfortunately according to the info received with the product, we can not return this product to Amazon, but have to deal with Riovolt itself. This is very disappointing. My son is very disappointed and I am out the money for this product.
Rating:
Summary: DO NOT BUY
Review: I bought this this CD player and have been trying to get in touch with their tech support ever since. This player doesn't. All I get is READ ERROR with anything but the most basic CDs. Don't even try an enhanced CD (which ones aren't nowadays?). I have not even ventured beyond retail CDs for this player. Some basic CDs even display garbage on the screen. If you try calling their tech support you get told to call back later due to high call volume. With products like this, it is no wonder. Their website provides firmware updates for the 100 and 250, but not the 150??? Steer clear of this product. ... poor product and service.
Rating:
Summary: Looks Like a Piece Of Junk
Review: I do not own one of these players (nor will i ever) but from the reviews i have read around the web i can say this looks like the worst cd player you could get. From what i have heard this player is easily broken, just shuts down during play, skips songs, does not display the song it is actually playing and will sometimes just display a bunch of letters and numbers that don't make sense. If your smart you shouldn't buy this player. If you want a great mp3/cd player then buy either a RCA RP2458 or an iRiver ChromeX. They have many more features and do not screw up and i know that because i own them both.
Rating:
Summary: Lacks Reliability
Review: I dropped it once, less than a foot from the ground and it stopped working. Warranty does not cover that. It looks nice and runs great, but it can't take any abuse without completly breaking down. I suggest trying something else.
Rating:
Summary: Horrible
Review: I first brought this cd player yesterday I was a bit dissapointed with the features, and the LCD display. It worked the first day, but the second day all it started saying was READ ERROR, and it doesnt do anything else but that, I think Rio Cd players should be Recalled, before i brought this everyone that recently owned one told me they [foul up] as soon as you take it out of the package! so i decided to buy it at the store..., so i could take it right back if something went wrong, and ofcourse like everyone told me, it [stopped working] for NO reason at all, you could keep this thing in a nice cushioned box, and treat it perfectly and yet it STILL will break. it is ashamed that they sell things like that for that type of price...
Rating:
Summary: DO NOT BUY THIS
Review: I got my Riovolt 150 in February, right out of the box it would lock up at times and not read the disk at others, by month 3 the player would no longer spin the cd at all even tough the display worked just fine. I tried to contact Rio about this but was told to try different batteries and different headphones, I'm not exactly sure how different batteries or head phones are supposed to effect spin up if the thing was plugged into the wall, but hey, so I did, and it still didn't work, contacted Rio again and never heard back from them, this thing is total junk do not buy it!
Rating: 
Summary: Go with the SP350!
Review: I got this player in November '03, and it worked fine - for a while. It played all my audio CD's and my iTunes-burned MP3 CD's without a hitch. Supposedly, the battery life is supposed to be longer when you play WMA or MP3 files as opposed to normal audio CD's. I popped in an MP3 CD and my batteries were dead in 3 1/2 hours. I'm an accessory kind of person, so I went looking for the wired remote and the AC adapter at rioaudio.com. Guess what? Nonexistant! Firmware updates? Nonexistant! The player itself has a few little flukes besides the battery issue. Occasionally, it'll only see the first 50 out of the 100 MP3 tracks on my CD, and sometimes it says "read error" when I stick in a new CD, but they're small problems. The thing that really bothers me it that the buttons on the front of the player are getting more and more unresponsive as time goes on. I practically have to jump on the play button to get the thing to turn on. My advice? This player may be worth the $30 on amazon if you really need something cheap, but if you have a little bit more dough, go with the Rio SP350 (I'd give it four stars). If you decide you want to leave CD's behind all together, then get the Rio Chiba (256MB, definetly 5 stars).
Rating:
Summary: depends on how much you paid and how you plan to use it
Review: I got this thing for $20 after $20 rebate (yet to come) at circuit city.
Pros:
1. Nice display. Displays the whole file name, not just 8 or so characters of it.
2. nice backlight
3. Buttons easy to use when driving (comparing to other plaeyers)
4. Nice headset
5. Nice sound. Cons:
1. FF is way to slow, about 5 times the play speed - takes about 10 min to FF 50 min (sony's is about 10 times faster. Panasonic doens't have one at all (for mp3))
2. Battery life is nowhere near 8hr.
3. When connect or disconnect the power supply (car adapter) it shuts off even when the batteries are installed.
4. Can only remmeber the last track, not the position in the track (very annoying when you listen to long mp3 files)
5. Sometimes skips tracks. (Yes skips right to the middle of a next track)
6. Sometimes get "reading error"
7. Starts playing automaticly when you install new batteries (useless feature.)
Rating:
Summary: Fine unit - mediocre headphones.
Review: I love my player and give it 5 stars. The supplied headphones are not that great - so the overall package gets 4 stars.
Owned this player for a couple of months and I think that for its price its the best one out there.
Nice backlit display, easy navigation and mine at least plays flawlessly. I got this player because it could play windows media in addition to mp3. I can get almost 20 hrs worth of music on one CD with windows media and it still sounds very close to the original. It plays VBR and CBR files (both mp3 and wma) fine.
Remembers where it left off.
Has user adjustable and preset tone controls - Very Nice feature. I hate when stuff I buy does not come with user adjustable tone controls.
Sound quality is super. No complaints.
No skipping problems.
Haven't measured battery life with my rechargeables - but no complaints on this front. So - whats not to like?
Navigation could have been a bit more straightforward.
The line out level is quite low - so I have to turn up the volume on my home stereo waay up if using this as a source. This is irritating. Also, the line out is coupled to the volume control. Meaning that the signal has to pass through the volume control circuit adding to the noise/distortion specs.
The lid does not open as wide as other CD players - so one has to reach in a bit to put CD's in and out (which I don't do very often since I only use this for mp3 and wma)
The display is nice - but it should have been at the center of the unit or on front. Some silly designer put it at the back of the unit where it is harder to see w/o tilting the unit. And the display is oval - very stupid. Characters kind of get cut off because of its shape. A nice square display bang in the center would have been wonderful.
Would have liked the option of having backlight on permanently if desired.
A bit bulky - but who cares - it does its job rather well.
The CD viewing window is too small to figure out what CD is in the player. Why don't manufacturers want to give a larger viewing window?? I find this problem with other equipment too.
Would I buy it again - YEP! Any day - over a Sony. You should too.
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