4 band adjustable bass and treble, 2 Filters 30Hz and 8Khz tone defeat switch, A B and C speaker outs (only 2 at a time) AM FM, phono 1&2, aux, and 2 tape loops, Preamp Out/Power amp in, Supersonic Suppressors over main filter caps, Loudness control, adapter loop (eq), Mint Condition, Awesome Tuner, all original