The Philips N4422 is a compact cassette deck that was part of Philips' line-up in the late 1970s and early 1980s. It features a sleek design typical of the era, with a brushed aluminum front panel and plastic casing. The device is designed to handle normal bias, chrome, and metal tapes, offering flexibility for different tape types. Key specifications include a frequency response range of 30 Hz to 18 kHz, ensuring good sound quality for cassette playback. The N4422 has a signal-to-noise ratio typically around 58 dB, which helps minimize background noise during playback. It also includes features such as auto-stop, tape-select switch, and Dolby B noise reduction, which enhances the playback quality by reducing tape hiss. The deck allows for easy operation with play, stop, rewind, and fast-forward functions conveniently arranged on the front panel. Additionally, it is compatible with both manual and automatic recording levels, giving users control over their recordings.