Type: auto reverse, double compact cassette deck Track System: 4-track, 2-channel stereo Tape Speed: 4.8 cm/s Heads: 1 x record/playback, 1 x playback, 1 x erase Motor: 2 x DC servo, 2 x DC Tape Type: type I, Cr02, Metal Noise Reduction: B, C Frequency Response: 20Hz to 17kHz (Metal tape) Signal to Noise Ratio: 78dB (dolby C) Wow and Flutter: 0.07%