A turn control system is provided having four wheels and a steering wheel that controls the vehicle steering. At least one of the soybean varieties in the blend has resistance to a given race spectrum, while another of the soybean varieties in the blend may have resistance to a differing race spectrum or be a susceptible variety. A plurality of seat junction boxes 30 may be interposed between the audio and video processors 20 and the groups of seat display units 40. The signal levels are scaled to adjust for audibility, after which the delayed and scaled signals from all frequency channels are combined into an outgoing sound. An encapsulant is deposited over the semiconductor component.