The Akai GX-R 55 is a cassette deck that was produced by Akai in the late 1980s. It is a 3-head, 3-motor cassette deck with features like Dolby B and C noise reduction, Dolby HX-Pro headroom extension, auto tape type selection, and automatic azimuth correction. It has a frequency response of 20Hz to 20kHz and supports both normal and metal tapes. The GX-R 55 has a stylish design and was well-regarded for its audio quality and advanced features during its time.