• Country
• United States of America (USA)

• Manufacturer / Brand
• Diamond Multimedia SA; Chatsworth CA

• Year
• 1998

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 236372

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• DSP, Digital Signal Processor

• Wave bands
• - without

• Details
• HD or solid state memory

• Power type and voltage
• Dry Batteries / AA: 1 x 1,5 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Rio PMP300 - Diamond Multimedia SA;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 68 x 93 x 20 mm / 2.7 x 3.7 x 0.8 inch

• Notes

• Weltweit erster mobiler Serien-MP3 Player.

• Net weight (2.2 lb = 1 kg)
• 0.085 kg / 0 lb 3 oz (0.187 lb)

• Price in first year of sale
• 399.00 DM

• Author
• Model page created by Holger Struthoff. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Diamond Multimedia SA; Chatsworth CA