1. Adopted 2-Step Acoustic Compensator for flexible Acoustic Compensation. 2. Capability for 2 sets of tape decks with Inter-dubbing (A to B) function and unique Sound Injection System. 3. Dolby* N.R. Connection Jacks and De-emphasis Selector switch for Dolbyized FM Broadcast Reception. 4. High sensitive (1.7/xV) and clear sound FM Tuner section by 4-gang Tuning capacitor. MOS-FET. 3 x 2-element Phase-linear Filters, Quadrature Demodulator, Dual Inline Package IC's and Phase Lock Loop MPX Demodulator 5. Other Features 2 Phono Inputs, Speaker System A.B.C, Function Indicator, Tone Defeat Switch, MIC Jack, FM Detector Output and 2 Tuning Meters