Ключевые слова: accessory, amplifier, audio, background, big, black, box, center, communication, computer, connect, design, device, digital, electrical, electronic, entertainment, equipment, isolated, listening, media, mobile, mobility, modern, mp3, music, musical, new, personal, phone, plastic, player, portable, power, product, quality, single, small, smart, sound, speaker, stereo, studio, surround, technology, telephone, volume, white, wireless,