INNOVATION

Acoustic conduits; Acoustic coupling devices; Acoustic membranes; Acoustic separation units; Amplifiers; Apparatus for wireless transmission of acoustic information; Audio headphones; Bullhorns; Cables, electric; Ear buds; Earphones and headphones; Electroacoustic transducers; Electronic systems for recording and automated playback of acoustic pianos; Headphones including attached lanyard; Loudspeakers, headphones, microphones and CD players; Megaphones; Microphones; Personal headphones for sound transmitting apparatuses; Personal headphones for use with sound transmitting systems; Personal stereos; Portable media players; Software to control and improve audio equipment sound quality; Sound reproduction apparatus; Sound transmitting apparatus; Stereo headphones; Telephone apparatus; Telephone receivers