Speakers and subwoofers; pro audio speakers; pro audio subwoofers; DJ speakers; DJ subwoofers; portable speakers; portable subwoofers; battery-powered speakers; battery-powered subwoofers; home speakers; home subwoofers; gaming speakers; gaming subwoofers; outdoor speakers; outdoor subwoofers; buried underground speakers and subwoofers; distributed sound systems; waterproof speakers; powersports speakers and subwoofers; e-bike speakers; e-scooter speakers; recreational vehicle (RV) speakers and subwoofers; electric vehicle (EV) sound systems; marine speakers and subwoofers; aviation speakers and subwoofers; heavy equipment speakers and subwoofers; desktop speakers and subwoofers; wearable speakers and subwoofers; toolbox speakers and subwoofers; ice chest speakers and subwoofers; camping speakers and subwoofers; speakers and subwoofers integrated into furniture, namely, home theater systems, couches, chairs, billiard tables, gaming desks, and arcade game cabinets; audio amplifiers; audio signal processors; and audio equalizers; power systems comprised of solar panels, rechargeable batteries, DC/AC power inverters, DC/DC converters, AC/DC converters, power banks, wireless battery chargers, electrical power distribution units, electrical power backup systems, and electrical power storage walls.
Electrical and Scientific Apparatus