Guangzhou Huiying Electronics Products Co., Ltd, which is a professional manufacturer of all type of professional sound: e.g. professional speaker(passive and active), amplifier, mixing console, active crossover, Karaoke amplifier and speaker, Wire and wireless microphones, woofers and compression drivers, public address amplifiers and speaker, lawn speaker, peripherals and so on. We provide OEM/ODM.. For more product information, please kindly visit our website: www.yt-hy.com