"Guangzhou Xinghongde Electronics Technology Co., Ltd (Brand: RH-AUDIO) develops, manufactures, and markets highly reliable sound products of Commercial Sound System. RH-AUDIO was incorporated for manufacturing commercial PA sound system, providing applications of sound reproduction/reinforcement for a variety of venues such as conference halls, shopping malls, school auditoriums, churches, commercial buildings, industrial sites, gardens, or an entire outdoor complex, etc. On the way from beginning to now, we did not stop to be committed to serving our customers and providing them with more service in the business, thanks to the in-depth experience accumulated in the past time, and based on newly most advanced technology, we strive to keep the concept allowing you to truly enjoy a superb experience of technological revolution. From the start, RH-AUDIO has striven to push the technology development, we do so by developing and manufacturing our products for markets looking for the most bang-for-the-buck, please take a moment to look over our entire product line, get involved with our innovation and share in the excitement. RH-AUDIO has received the certificates of Quality Management System ISO 9001: 2008, Environmental Management System ISO 14001: 20004, Occupational Health & Safety Management OHSAS 18001: 2007. And our products are CCC (China Compulsory Certification), RoHS, CE, and FCC certified.