Cat 5e works, shielded cat cable is better

No, there are no IP addresses

G65 does not support object based 3D immersive formats.

The G65 is 7.1 / 5.1 only. It can pass hi res audio using a UHD722 as long as the source is capable of passing the digital signal as PCM or LPCM. Other wise it is vanilla DTS and Dolby digital.

There are people using a 271 to drive DSP speakers with other manufacturers processors such as the Trinnov.

www.cmbintegrations.com
One step from the Presidency
#1 Trinnov Altitude 32-8-16, 271, 8000XE, 7200SEHC, 7200.2, Seaton F18, JL Fathom F113, Revel w990's, Kef R7, ATI 528 Amp, JVC RS4100K, SI screen. Roon Nucleus+, Eno AG, Eno M link, 218.
#2 Mark Levinson No5105, Ayre VX8 and CX8, Vandersteen Treo CT, Preamp varies.
#3 Meridian Ellipse