Hangzhou Xingbo Electric Sound Equipment Co., Ltd specialized in manufacture and export kinds of precision parts for replacement of including megaphones, loudspeakers, horn speakers PA amplifiers, car amplifier , public speak,celing speak,car speakers, drive units and column speakers, professional amplifiers, and AL column speakers etc. For more inf pls refer to our web site ,now I give you one of our produces inf ,pls see them in the attachment.. Since we have professional designers, we can custom the products according to your demand or your customer?s demand. We are research new functions now ! If you are interested in our products please feel free to contact me.I will quote you our best prices, Your early reply will be highly appreciated. Thank you and best regards . LUCY Company Name: Hangzhou Xingbo Electric Sound Equipment Co., Ltd. E-mail musicsources@gmail.com Address: No. 33, Xingqiao Road, Xiangfu Town, Hangzhou City, Zhejiang Province. China MSN Musicsources1@hotmail.com qq 277736021 Telephone: 86-571-88173659 Fax: 86-571-88172239 Website: http://xingbo.en.alibaba.com http://www.xingbo.com