Loud speakers; audio speakers; headphones; earphones; personal headphones for sound transmitting apparatuses; personal headphones for use with sound transmitting systems; headsets, headphones, earphones, and noise-cancelling headphones for use with telephones, mobile phones, cellular phones, smartphones, mp3 players, portable and handheld digital electronic devices, music and video players, computers, tablet computers, audio streaming systems, internet streaming devices, digital media streaming devices, televisions, projection systems, audio and video broadcast systems, and for audio components streaming over local area networks.