The Japanese electronics company produces the amplifier VSX-921 well in Japan, but the corresponding remote control in China. The fact that local producers often have technological problems with their products, can also be seen on the remote AXD7616. After a relatively short useful life fall from the most frequently used buttons, MUTE or MASTER VOLUME. In order to use the VSX-921 will significantly limit a replacement remote control, of course, from China, is easy to obtain, but above average expensive and reprogrammed with defects. PIONEER damaged considerably its average reputation with this course of action.