1HERTZ

Wireless speakers; portable vibration speakers; audio speakers for smartphones; audio speakers for computers; audio speakers for monitors; audio speakers for household use; audio speakers for TVs; audio speakers for home theater; audio speakers for MP3 players; audio speakers for automobiles; audio speakers; speakers for audio equipment; speakers for record players; audio speakers for digital and electronic tablet computers; speaker stations for digital matrix intercoms; passive speakers for digital matrix intercoms; speaker system for public speech; multi-functional speakers for electric sound imaging apparatus; speaker system