Audiophile UPnP Renderer is a lightweight, HQ audio player, that turns your PC into a dedicated H/W UPnP renderer.
It supports WAV and FLAC, BitPerfect and gapless playback, and even single VST for RC (requires bit-depth upconversion to at least 24 bits).
Requires Windows 7 + (WASAPI).
Audiophile UPnP Renderer
Needless to say, that this software comes with ABSOLUTELY NO WARRANTY ...
Enjoy.