Audio speakers; loudspeakers, loudspeaker systems [ and component parts and accessories, namely, transformers, signal processing modules, cables, and connectors for such products and instruction manuals associated therewith; woofers; sub-woofers; audio speaker enclosures; acoustic membranes for incorporation in microphones and audio loudspeakers; sound amplifiers; microphones, microphone cables ]; headphones [ and accessories, namely, ear pads, volume controls, headbands and cable connectors, ] headsets [ and accessories, namely, ear pads, volume controls, headbands, cable connectors, booms and microphones ]; earphones [ and accessories, namely, ear pads, volume controls, ear bands and cable connectors]; ear sets, namely, ear pads, volume controls, ear bands, cable connectors, microphones and booms [; interactive remote control units for audio recording and playback; sound mixers; surround sound processors; signal processors; power amplifiers; computer software to control computer and audio equipment sound quality and instructions manuals sold as a unit therewith; and computer software to improve computer and audio equipment sound quality and instructions manuals sold as a unit therewith ]