Thumb Score: +11 Recently released Abt.com is an authorized user. 3 year warranty Free Shipping [quote]The Marantz NR1710 7.2ch 4k Ultra HD AV receiver drives immersive, high-fidelity audio from a compact chassis. At half the height of a traditional AV receiver, the NR1710 supports multi-dimensional audio formats Dolby Atmos, Dolby Atmos Height Virtualization Technology, DTS:X and DTS Virtual:X.