In China, QDC is a big name in the professional audio community as they have been sponsoring audio equipment for the local celebrities. QDC has a high standard audio lab, an anechoic chamber, industry leading measuring equipment, and a professional R&D team. QDC develops high-end IEMs which are designed by professional sound engineers and tuned with the help of famous musicians in the music industry. The result is a series of high quality IEM which excels in technical performance and reproduces emotional musicality.