Yamaha K-98 is a stereo cassette deck that offers a wide range of features and capabilities for recording and playing back audio cassettes. It features a high-quality Hard Permalloy recording and playback head in Deck A, and a playback head in Deck B, ensuring excellent sound quality. The deck also has a variety of playback modes, including continuous play, repeat play, and search functions, allowing for easy and convenient playback of cassettes.