Sony MZ-R900 silver portable MiniDisc player and recorder. It features both playback and recording functionalities. It supports MDLP (MiniDisc Long Play) modes, allowing up to 5 hours and 20 minutes of music on one MD using LP4 mode. The device includes G-Protection jog proof for 200 seconds. It incorporates a sampling rate converter for digital recording from various sources. The unit weighs 94 grams without a battery or disc installed
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