Along with its new lineup of power amplifiers, Marantz announced the AV7702mkII model preamp/processor capable of supporting Dolby Atmos, DTS:X and DTS Neural:X via a firmware update. The AV7702mkII also features upgrades such as HDMI 2.0a compatibility to support the pass-through of HDR content as well as 2.2 copy protections on all HDMI inputs and outputs and 32-bit DAC for all channels. With 7.1.4 or 9.1.2 Dolby Atmos configurations this pre/pro should be ready to go for fully immersive surround sound. Read: Marantz AV7702mkII Atmos/DTS:X AV Processor and Amplifier Preview PS. In our preview we show you how to assemble a 5.1.4 system using all of these new Marantz components in the most economical way.