Behind the brushed aluminum faceplate all seven channels have Three-Stage Inverted Darlington Circuitry which effortlessly handles big dynamic gains without distorting, as THX Select2 Plus certification attests, and renders all audio in extraordinary detail. On the hardware side, 7.2 multichannel pre-outs, powered Zone 2 outputs, and bi-amping capability grant the flexibility to customize. Eight 4K-ready HDMI inputs including front side MHL enable Dolby TrueHD and DTS-HD Master Audio decoding. Audio processing comes courtesy of Audyssey MultEQ, Audyssey DSX, and Dolby Pro Logic IIz, and Marvell"s outstanding Qdeo technology upscales standard video to 4K. With a tap on your smartphone screen, built-in Wi-Fi & Bluetooth serves lossless audio to your home theater from mobile devices, PC and NAS devices, and online streaming services. Owning an Onkyo A/V receiver is not just about having big sound on movie night. It"s about maximizing the enjoyment of your daily life.