Rating: 
Summary: REALLY POOR SOUND QUALITY
Review: I could hardly hear any bass from the player, I tried to change the earbud to a Sony's high fidelity earphone but the result was the same. The trible part was too extreme and might eventually spoil ones ears! I was really disappointed with it so I sent it back and exchanged for a Eiger Lab F20, Now! this product really does amazed me with the excellent sound quality. Believe me, it's much more better than the Diamond's junk!
Rating: 
Summary: The NiQ Electronics review- Great for an Mp3 Player/300vs500
Review: I had first purchased a PMP300, but wasn't satisfied. The design of the PMP500 intigued me, and i couldn't resist. It was a very good buy. This is a review and comparison of both products.Hardware: Like the PMP300, the PMP500 can play mp3 tracks and cd tracks, but unlike the PMP300, the PMP500 can also play MPEG2.5, ADPCM, and Audible.com content. The PMP500 plays Mp3s 16 to 320 Kbps and VBR. It includes a Basic equalizer with song adjustments such as treble, bass, etc. The PMP300's equalizer consisted of only four synthetic options: Normal, Rock, Classical, and Jazz. Connection: The song transfere speed from your computer to your device for both products is relitively the same, with the PMP500 being a little faster. Connection from the PMP300 is made by parallel-port connection. It is hooked into your printer port and has another parallel port in the back for your printer so that way you can operate your printer and your player at the same time. The PMP500 has easy connection thru a USB socket. NOTICE: YOU MUST HAVE A USB SOCKET IN YOUR COMPUTER TO OPERATE THE PMP500. THE PMP500 DOES NOT WORK ON WINDOWS N/T OR WINDOWS 95. Buttons: The buttons on the PMP300 are far better than the buttons on the PMP500. The buttons on both products are easy to use and good, but the buttons on the PMP300 are bigger and cooler. Memory: Memory on the PMP500 is better than the PMP300. But keep in mind. If you buy memory chips (They are like disks. There is a slot on both product for insertion. The chips can be easily ejected. They are called Flash Cards. You can buy them here.) You can store play lists on diferent disks, label them, and when you want to hear your pesonal mix, just pop in that certain disk.
Rating:
Summary: They have technology for 6GB
Review: They have technology for 6GB and they are juts making it...32MB thatis bucks where you could get 6GB FOR $600 bucks! NOW THAT'S SAD,more than 1,200 songs FOR $600!...
Rating: 
Summary: GET 64MB GET 64MB GET 64MB
Review: Great little player...2 miffs. 1) delicate.. i MTN bike a lot and its delicate and contrary to popular belief, it will skip 2) 32 megs sucks big time. Hold out for the 500 series because it has twice the mem and its way more solid in design feel. Tron - Defender of the Users....
Rating:
Summary: Won't work on All PCs!
Review: It would not work on my P2 233 PC. My buddy has the same PC, but it works on his. He also has the same Rio 300 and his works on his PC but not mine. Now it won't work on my new P3 667 PC. It works on another buddy's machine. I tried to do all the things that Diamond told me...no luck...the best offer they had was to replace it. That's not the problem...I recommend a USB MP3 player. This parallel port stuff sucks.
Rating: 
Summary: Best Purchase I've Made In Years!
Review: I bought the cassette tape for the car to use the mp3 player onthe road. You can fit about 8 quality sounding songs on the 32meg mp3 player and it is better than any walk-man i've ever owned.
Rating: 
Summary: Complete Flop!
Review: I have recently bought the Diamond Rio PMP300 player and it was a complete dissapointment right fromt he get-go. As soon as I got home, I was so excited to put my MP3's on to it and begin to listen to it. WRONG! If you dont have a computer that was made yesterday, it wont work. My computer was made in 96 and already it is too old to support the software. I had to call Rio and wait 20 mins for a operator who as soon as I talked to him, said my computer was hopeless and the only way it might work was to go and download all of this information and purchase new parallel port adaptors. NO WAY! no where on the box did it say this. I have finally gotten it to work, but it is skipping like crazy. something is wrong with it and this sucker is going back to the store. Its a complete flop, and NO ONE should buy it. It only has 32MB memory, and the cards cost a fortune. it is always running, so the battery slowly wears down. I love the earbuds, and the size and wieght, thats why there are 2 stars. No other reason. Overall, this product stinks!
Rating:
Summary: Good machine
Review: Good machine for the price. The people complaining about the memory BUY MORE MEMORY! Its not that expensive. The people complaining about the sound quality RIP YOUR SONGS AT HIGHER SPEEDS! Its not that hard. I recommend audio grabber for ripping them though. The software works perfectly. I've had it for 3 months and have not had any problems at all with it breaking and I take it to hell and back. The only thing is it would be better if it had backlit display and usb capabilities.
Rating:
Summary: POOR Tech Support!
Review: I have received my mp3 player to find out that the softare does not work on my computer. I have called their tech support line to find out that I must wait ten to fifteen minutes to get help. The only problem with this is that is not a free call. Therefore I have emailed them just to get an email back to find out that they need more info. So I email them back and didn't get a response. Besides this I cannot comment on the usefulness of the product because I have yet to get it to work. All in all, I must say I bought an expensive paper weight. So far, I can tell you that I will not purchase a product from this company again because of the poor customer service which I feel is a major trait that any business should possess. Lastly, I feel giving this player 1 star is too much. Thank you, Brett
Rating:
Summary: A lot of bang for the buck!
Review: If you are a jogger and go for 45-60 minutes, the Diamond pmp300 is the greatest thing since sliced bread! The player is super-light, has NEVER skipped, and the download/music selection software works great. I converted some of my favorite jammin' CDs (from my own personal library) to 96 kbs MP3's and get about an hour of very acceptable sound quality. The quality is much better than cassette but not quite that of CD. I have had the pmp300 for 8 months and have not experienced any problems at all. I would highly recommend using the RealJukebox player for recording and storage of your MP3 library. It works great with the pmp300. This might be the best hundred bucks I ever spent! Get one!
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