Earphones; Eyeglasses; Headphones; Sunglasses

Acoustic security system, comprising microphone array, acoustic signal processors, and pre-recorded software for recognizing and reporting intrusions into physical locations

Woofers; Loudspeakers; Record players; Megaphones; Microphones; Sound transmitting apparatus; Sound reproduction apparatus; Horns for loudspeakers; Compact disc players; Headphones; Earphones; Portable media players; Audio amplifiers; Sound and video recording and playback machines; Audio cables; Cabinets for loudspeakers