The R03 is an upmarket professional-level earphone from well-known Chinese manufacturer ViSang. With quality materials used all-around, the build of the R03 is as venerable as the sound. Metal shells and a Cu-Ag alloy cable ensure longevity while the 10.7mm dynamic driver delivers crisp, powerful, and engaging sound. A uniquely patterned cable sheath provides flexibility and reduces cable...
“ Intro This is an IEM that caught Head-fi by storm. Featuring a single 10mm high-bandwidth dynamic, using two patented technologies, Ostry made quite the statement. A company that was otherwise unknown before, actually had quite the experience in creating drivers [over 20 years!], likely for other companies as an OEM. They finally decided to release their own products and while...” --Inks