The Sony MZ-R909, released in August 2001, is a portable MiniDisc recorder that enhances the recording and playback experience. It features a sleek design and is available in Silver, Red, and Blue. The device has a robust construction, weighing 110g (137g with battery), and compact dimensions of 80.0 x 75.5 x 20.5mm, making it highly portable. It supports the ATRAC Type-R format and includes features like a backlit display, a jog dial, and manual and auto track marking capabilities. With a G-Protection anti-skip buffer, it ensures consistent audio playback even during movement. The MZ-R909 improves upon its predecessor, the MZ-R900, with enhanced playback settings and a D-pad for easier navigation. It includes various input options, such as a 3.5mm line in with optical capabilities and a microphone input, while its outputs consist of a 3.5mm line out and headphone jack. The device uses a 'Gumstick' battery and optionally supports an AA sidecar for extended usage.

The Sony MZ-R909, released in August 2001, is a portable MiniDisc recorder that enhances the recording and playback experience. It features a sleek design and is available in Silver, Red, and Blue. The device has a robust construction, weighing 110g (137g with battery), and compact dimensions of 80.0 x 75.5 x 20.5mm, making it highly portable. It supports the ATRAC Type-R format and includes features like a backlit display, a jog dial, and manual and auto track marking capabilities. With a G-Protection anti-skip buffer, it ensures consistent audio playback even during movement. The MZ-R909 improves upon its predecessor, the MZ-R900, with enhanced playback settings and a D-pad for easier navigation. It includes various input options, such as a 3.5mm line in with optical capabilities and a microphone input, while its outputs consist of a 3.5mm line out and headphone jack. The device uses a 'Gumstick' battery and optionally supports an AA sidecar for extended usage.