The Denon DR-M22 is a cassette deck introduced in the late 1980s, known for its solid build quality and good performance. It features a dual-capstan transport mechanism which ensures stable playback and recording by minimizing wow and flutter. The deck supports standard tape types, including normal, chrome, and metal, allowing users to select the optimal setting for different tapes. It offers Dolby B and C noise reduction systems, enhancing sound clarity by reducing tape hiss. The front panel includes an array of buttons for easy operation, such as play, stop, rewind, fast forward, and record, alongside a counter display for tracking the tape position. There's an automatic tape type detection feature, simplifying setup for users. The DR-M22 is equipped with line-level and microphone inputs and outputs, making it versatile for various recording applications, including live performances and home recordings. The deck typically has a frequency response of 20 Hz to 20 kHz with a dynamic range that meets standard expectations for consumer-level equipment. The integrated headphone output allows for private listening, with adjustable volume for convenience. Overall, it is aimed at users seeking both functionality and quality in their cassette recordings.