Amplifiers; Apparatus for wireless transmission of acoustic information; Audio cables; Audio processing equipment, namely, limiters and compressors; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Electronic sound pickups for guitars and basses; Guitar effects processors; Loudspeakers, headphones...