JVC TD-W354BK Dual Cassette Deck (Discontinued by Manufacturer) Continuous playback (deck A-B) provides hours of uninterrupted listening Dolby HX PRO for extended high-frequency response during recording Microphone input with level control; pitch adjust; full-logic controls simplify operation and minimize tape wear Compu Calibration adjusts bias, equalization, and recording level to ensure flat frequency response and low distortion