Life is too short for bad audio, and a proper amplifier is a good way to start. DTS HD Master Audio and DTS:X are two of the supported audio formats.
From Peter Tyson
Denon AVC-X4800H 9.4 Ch 8K AV Amplifier - Black
GSL Installs
Denon AVCX4800H 9.4 Channel 8K AV Receiver Black