TOPPING is a pioneering Chinese Hi-Fi audio equipment manufacturer founded in 2008 in Guangzhou, formally known as Guangzhou TOPPING Electronics & Technology Co., Ltd, that has evolved into a beloved global HIFI brand favored by audiophiles worldwide for their exceptional value-for-money high-performance components. Operating from their Rooms 903-905, 7 Cuiyu St, Nansha, Guangzhou headquarters, the company has built a formidable reputation through their research and development team comprising over 30 experienced engineers and audiophiles who have established a carefully selected group of qualified, skilled senior engineers dedicated to independent innovation and cutting-edge technologies. TOPPING has made significant investments in professional audio testing machinery, purchasing chief testing equipment from Audio Precision including APx555 and APx555B systems in 2016 and 2019, enabling them to maintain their commitment to delivering extraordinary audio performance through meticulous product development and over 20 patents in their portfolio. The company operates under the philosophy of 'bringing sincerity to music, bringing beauty to the world' while serving as a conduit between creators and listeners, specializing in desktop and portable digital-to-analog converters (DACs), headphone amplifiers, power amplifiers, preamplifiers, and digital players that concentrate on delivering excellent quality at impressive price points. Notable products include the D900, A900 ultra-flagship headphone amplifier ($1,199 USD featuring T'ang-Ku-la architecture for full-link differential balanced amplification), DX5 II, D70 Pro Sabre DAC, A90D, LA90, and the recently launched NX1S portable headphone amplifier, with upcoming releases including the MX3 multi-function desktop power amplifier and DX7 full balanced DAC & headphone amplifier. TOPPING maintains active social media presence through Facebook (@topping2008 with 8,520 likes), Twitter (@TOPPING2008), and other platforms, while being contactable at [email protected] for business inquiries and [email protected] for support, with phone contact at +86-20-37219489, representing a company that has successfully made a significant impact in audiophile communities around the world through their commitment to accessible, high-quality audio technology and continuous innovation in the desktop audio equipment market.