American Audio Optical Fader (VMS680)(0)No Reviews yet $35.18 Quantity discounts available QuantityPrice SKU: American Audio OF-1 Quantity -+ Add to Cart Details American Audio OF-1 the Optical Fader. Details Back DetailsAmerican Audio OF-1 the Optical Fader. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review