The Technics SJ-MD100 is a MiniDisc recorder produced between 1999 and 2000 in BR Germany, featuring a black-brown finish characteristic of Technics devices. It has dimensions of 430 x 103 x 300 mm and weighs 3.4 kg. The device is equipped with a variety of inputs and outputs, including 1 RCA input, 2 optical digital inputs, and outputs for RCA, headphone, and digital optical. The SJ-MD100 supports a frequency response of 5 to 20000 Hz with a distortion factor that contributes to a signal-to-noise ratio of 99 dB and a dynamic range of 97 dB. It utilizes a 24-bit processor and Technics-designed ATRAC technology, enhancing sound quality. Playback features include title programming, shuffle, and repeat functions, while recording is available through analog and digital sources. The device includes advanced functionalities such as editing capabilities for title names, deletions, and moving tracks. It also provides a user-friendly interface with a jog dial for track access and level controls for recording and headphone output. The remote control, known as Eur645272, is compatible with the Technics SJ-MD150. Overall, the SJ-MD100 was positively received in reviews, noted for its decent sound quality and good equipment quality.