Sansui AM/FM stereo receiver model 990DB. Black version of the Sansui 9090DB From around 1977. 125 watts per channel into 8 ohms. Features, Low and high filters, triple tone control, bass, mid, treble along with 300hz/Defeat/150hz switch for both treble and bass controls, Two head phone outputs, FM muting on/off, Dolby NR controls, Meter level selectors, Mic input with mic level control, Two tape in/outputs, Two phono inputs, one aux input, Has both tuning and signal meters, also has both right and left channel power watt meters. Neat receiver.