S2T

Amplifiers for use in land based self propelled vehicles operating on wheels; power amplifiers for use in land based self propelled vehicles operating on wheels; software for noise cancellation and for active noise control; and software for noise cancellation and for active noise control, namely, engine order cancellation and engine noise cancellation, road noise cancellation, and electronic sound synthesis for use in land based self propelled vehicles operating on wheels; microphones; loudspeakers for use in land based self propelled vehicles operating on wheels; sound processors; head units, namely, vehicle infotainment systems, namely, radios and audio video display units; control modules which process external data and audio signals for noise cancellation and for active noise control for audio and video systems; input modules which process external data and audio signals for noise cancellation and for active noise control for audio and video systems; memory modules for storing data and pre-set user options