SONY TC-W310 Type: double compact cassette deck Track System: 4-track, 2-channel stereo Tape Speed: 4.8, 9.6 cm/s Heads: 1 x playback, 1 x playback/record, 1 x erase Motor: 2 x DC servo Tape Type: type I, CrO2, Metal Noise Reduction: B, C Frequency Response: 30Hz to 15kHz (Metal tape) Signal to Noise Ratio: 71dB (dolby C) Wow and Flutter: 0.12% Total Harmonic Distortion: 1% Input: 77.5mV (line) Output: 0.44V (line)