Sony's CPA-9C MiniDisc and Discman®Cassette Adapter is ideal for use with Sony MiniDisc and Discman CD Players. Permitting connection from your portable MD or CD player to your car stereo, the CPA-9C features a silent mechanism, and self-adjusting spring-loaded head.Product Features• Connects your portable CD player to your car stereo• Connects Your Portable CD Player: to your car stereo, through the car's in-dash cassette player• For use with Sony Discman® players and non-Sony players• Ideal for Use With Sony Discman® CD Players: compatible with other models• Self-adjusting spring head• Cassette-Shaped Interface: inserts into your car's tape deck (compatible with decks that make you insert the cassette with the tape opening facing the side)• Mini-Plug: inserts into your portable CD player's headphone jack• Silent Mechanism: reduces mechanical noise on the road• Self-Adjusting Spring-Loaded Head maintains optimum contact with your cassette deck's tape headSpecifications• Frequency Resp