HSU

Loud speakers, and components for loud speakers, namely, woofers, midranges, tweeters, speaker ports, passive radiators, speaker enclosures, amplifiers, passive and active crossovers, equalizers, microphones, temperature sensors, motion sensors, accelerometers, speaker motors, solenoids, wireless transmitters and receivers, remote controls, DSP, surround sound processors, bass management units, computer controls for speakers, computer interfaces, graphic display interfaces, analog and digital audio interfaces, portable audio and video device interfaces, and video interfaces