| Sony MZ-NH900 Hi-MD Walkman | Sony MZ-NH1 Hi-MD Walkman | Sony MZ-NHF800 Hi-MD Walkman | Sony MZ-NH600D Hi-MD Walkman |
 | - Original USB
- 3.13" x 3.25" x 0.84"
- 3.9 oz. battery
- Hi-MD MiniDisc
- Remote included
- 45 hrs. playback
- Released in Jul 2004
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 | - Hi-Speed USB
- 3.25" x 3" x 1.28"
- 3 oz. w/o battery
- Hi-MD MiniDisc
- Voice recorder
- Remote included
- 45 hrs. playback
- Released in Jul 2004
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|
 | - Original USB
- 3.25" x 1.19" x 3.13"
- 3.7 oz. w/o battery
- Hi-MD MiniDisc
- Voice recorder
- Remote included
- 45 hrs. playback
- Released in Jul 2004
|
|
 | - Original USB
- 3.34" x 1.19"" x 3.13""
- 3.5 oz.
- Hi-MD MiniDisc
- 30 hrs. playback
- Released in Jun 2004
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Summary not yet available |
Summary not yet available |
Summary not yet available |
Summary not yet available |
| | | |
Space Filler
The now defunct Diamond was the first company to venture into portable MP3 player market with Rio 300 & 500. |
| Sony MZ-N420DPS Psyc Net MD Walkman | Sony MZ-N10 Net MD Walkman | Sony MZ-S1 S2 Sports Net MD Walkman |
 | - Original USB
- 3.25" x 1.25" x 3"
- 4 oz. w/o battery
- MiniDisc
- 42 - 56 hrs. playback
- Released in Jan 2004
|
|
 | - Original USB
- 3.13" x 3" x 0.56"
- 3oz. w/ battery
- MiniDisc
- Remote included
- 77 hrs. playback
- Released in Sep 2002
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|
 | - Original USB
- 3.5" x 4" x 1.5"
- 7.5 oz. w/o battery
- MiniDisc
- 40 - 54 hrs. playback
- Released in Apr 2002
|
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Summary not yet available |
Summary not yet available |
Summary not yet available |
| | |
Space Filler
The now defunct Diamond was the first company to venture into portable MP3 player market with Rio 300 & 500. |
Space Filler
The now defunct Diamond was the first company to venture into portable MP3 player market with Rio 300 & 500. |
