and support for Hi-Res Audio. The eXcelon DMX908S steps up from the DMX9708S’ 3 sets of 4-volt RCA pre-outs to 5-volt, includes tuned audiophile-grade components, and a 2-year warranty. The eXcelon Reference DMX958XR adds in a 6.8” 1280x720 HD capacitive touch panel display, rear...