Antennas; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio-receivers and video-receivers; Circuit boards provided with integrated circuits; Computer software for wireless content delivery; Earphones; Electronic navigational and positioning apparatus and instruments; Integrated circuit modules; Loudspeakers; Radio beacon machines and apparatus; Radios; Sound transmitting apparatus; Wireless routers; Wireless transmitters and receivers; Software to control and improve audio equipment sound quality