The Lexicon RV-9 Class G Immersive Surround Sound AVR takes the sensory experience of private theater to new heights. With Dolby ATMOS and DTS:X 3D surround sound processing, Dirac Room EQ, Logic7 immersion, and plenty of G-Class response power; the RV-9 delivers a powerful, sensory-rich experience with exceptional clarity..PZA MORE SPECS