Amplifiers, multi-channel distributed audio amplifiers; Audio amplifiers; audio and video components and audio video source controllers, namely, volume controls, speaker selectors, switch plates and impedance matching devices; audio and video touch pads and control panels; Audio electronic components, namely, surround sound systems; audio equipment, namely, digital home theater speakers, reference theater speakers, multi-application speakers, computer speakers, automotive speakers and subwoofers, audio docking stations, video display card components, and electrical replacement parts for the foregoing; Audio speaker enclosures; Audio speakers; Audio-video receivers; audio/video multi zone controllers; Audiovisual receivers; computer software and firmware for controlling audio-video components, namely, for controlling televisions, multi source and multi zone distribution amplifiers, electric light dimmers and home automation control modules; Conical attachment to an audio speaker for diffusing and distributing sound as it is transmitted from the speaker; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, home theater systems, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Digital audio players; Distribution amplifiers for audio and video signals; Electronic interconnecters for audio and video signals; Electronic switchers for audio and video signals; Home and office automation systems comprising wireless and wired controllers, controlled devices, and software for lighting, HVAC, security, safety and other home and office monitoring and control applications; Loud speaker systems; Loud speakers; Loudspeakers with built in amplifiers; Matrix switchers for audio and video signals; Paging equipment; Power amplifiers; Pre-amplifiers; Public address (PA) and sound system accessories, namely, microphone stands, speaker stands, microphone cables, speaker cables, speaker boxes and sound mixers; Racks for amplifiers; Remote controls for audio equipment, video equipment, radio, television, home theater, computers, electric light dimmers and home automation control modules; Security and fire alarms; Security products, namely, entry door systems comprising touch pads and security doors; Software to control and improve audio equipment sound quality; Sound amplifiers; Sound mixers with integrated amplifiers; Speaker enclosures; Stereo amplifiers; Subwoofers; tactile input keypads for controlling audio-video components, namely, for controlling televisions, distribution multi zone controllers for computers, electric light dimmers and home automation control modules; Transmitters and receivers for audio and video signals for transmission over twisted pair cables