Tweeters; speakers; professional audio speakers; multimedia speakers; mid-range stereo speakers; woofer stereo speakers; microphones; microphones for CB radios; wireless microphones; CD players; amplifiers, car amplifiers, guitar amplifiers, and public address speaker amplifiers; antennas, car antennas, and antennas for UHF/VHF signals used in televisions, digital televisions, FM radio, personal stereos, car stereos, headphones, and wireless headphones; computer accessories, namely, computer ...