Brand: Sony
The Sony TC-854-4 is a portable cassette player and recorder manufactured by Sony Corporation. It was released in the late 1980s and features a compact design that makes it easy to carry around. The TC-854-4 supports standard audiocassette tapes and has a built-in microphone for recording. It has a frequency response of 40 Hz to 20 kHz, an output power of 0.35 watts per channel, and uses two AA batteries as its power source. Some additional features of the TC-854-4 include automatic recording level, Dolby noise reduction, and Dolby B noise reduction playback compatibility. Overall, the Sony TC-854-4 is a classic example of a personal cassette player that captured a significant share of the market during the 80s and 90s.