Signal processing circuitry in music systems consisting of a loudspeaker system, amplifier and one or more of a radio tuner, compact disc player, record player and audio tape player; music systems; loudspeaker systems; amplifiers, radio tuners, compact disc players, record players, audio tape players; computer hardware and software, including computer hardware and software for adjusting characteristics of a sound system based on properties of environment where sound system is located; parts and accessories for all the aforesaid goods in class 9

Loudspeaker systems and signal processing circuitry in music systems consisting of a loudspeaker system, amplifier and one or more of a radio tuner, compact disk player and tape player