The Pioneer CT-660 is a dual cassette deck that was introduced in the mid-1980s. Designed for both high-quality audio playback and recording, it features several advanced functionalities for its time, including Dolby B and C noise reduction, which helps to reduce hiss and improve sound quality when playing back recorded tapes. The device supports high-speed dubbing, offering the capability to duplicate cassettes efficiently. With its comprehensive control layout, users can easily navigate through recording options, playback settings, and tape functions. The CT-660 is built with a sturdy chassis and a polished front panel, providing both durability and a classic aesthetic. It also includes features such as auto reverse, allowing for uninterrupted playback on both sides of a cassette, and an LED peak level meters for monitoring audio levels during playback and recording. Overall, the CT-660 combines performance and user-friendly operation for audiophiles and casual listeners alike.