Apparatus for the transmission of sound and image; [ sound and picture recording apparatus; radio receivers and transmitters; apparatus for wireless transmission of acoustic information; ] loudspeakers; [ audio speakers for automobiles; audio equipment for vehicles, namely, loudspeakers for automotive systems, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; car audio apparatus, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; ] audio equipment for recording studios, namely, stereos, speakers, amplifiers, equalizers, crossovers and audio recorders; pairable wireless speakers; [ speaker enclosures; ] software to control and improve audio equipment sound quality; [ audio amplifiers; integrated audio amplifiers; ] multi-room audio devices, namely, stereos, speakers, amplifiers, equalizers, crossovers, speaker housings and surround sound systems [ ; record players; portable radios; portable media players; personal headphones for sound transmitting apparatuses; music headphones; personal stereos; speakers for portable media players; acoustic conduits; sound recorders; audio receivers; apparatus for the reproduction of sound; audio amplifiers; audio electronic apparatus, namely, digital devices for recording, organizing, transmitting and reviewing audio files; audio processing apparatus, namely, equalizers, limiters, compressors; digital sound processors; high fidelity audio apparatus, namely, stereos, speakers, amplifiers, equalizers, crossovers, speaker housings, digital devices for recording, organizing, transmitting and reviewing audio files ]