Amplifier stands; Amplifiers; Amplifiers for bass guitars; Amplifiers for musical instruments; Amplifiers for wireless communications; Speaker enclosures; Speaker microphones; Speaking tubes; Acoustic amplifiers; Acoustic amplifiers for mobile devices; Aerial amplifiers; Antenna amplifiers; Audio amplifiers; Audio speaker enclosures; Audio speakers; Audio speakers for automobiles; Audio equipment for vehicles, namely, loud speakers for automotive audio systems; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio frequency amplifiers; Bass amplifiers; Bass speakers; Cases for amplifiers; Cases for audio speakers; Conical attachment to an audio speaker for diffusing and distributing sound as it is transmitted from the speaker; 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; Distribution amplifiers for audio and video signals; Dual amplifier balancers; Electric audio playback units with lights and speakers; Electrical amplifiers for use with musical instruments; Electromagnetic interference filters for amplifiers; Electronic effect pedals for use with sound amplifiers; Frequency amplifiers; Guitar amplifier accessory, namely, a fitted face plate to affix to an amplifier for use with electric guitars; Guitar amplifiers; Home theater systems comprising audio amplifier; Loud speaker systems; Loud speakers; Loudspeakers with built in amplifiers; Monitor signal amplifiers; Mounts and mounting brackets adapted for audio speakers with swiveling bases therefor; Musical instrument amplifiers; Optical semiconductor amplifiers; Portable vibration speakers; Power amplifiers; Power transformers for amplification; Pre-amplifiers; Protective cases for audio equipment in the nature of audio speakers; Public address (PA) and sound system accessories, namely, microphone stands, speaker stands, microphone cables, speaker cables, speaker boxes and sound mixers; Racks for amplifiers; Radar receivers with amplifiers; Radio frequency (RF) amplifiers; Signal processors for audio speakers; Sound amplifiers; Sound mixers with integrated amplifiers; Sound projectors and amplifiers; Sound systems comprising remote controls, amplifiers, loudspeakers and components therefor; Soundbar speakers; Stereo amplifiers; Tube amplifiers; Valve amplifiers; Wave reflectors for acoustic speakers, lighting apparatus, and air flow devices; Wireless speakers; Wireless indoor and outdoor speakers; Wireless microphones with integrated speakers; Wireless wall-mounted speakers