A Masterpiece of audio architecture The versatile Marantz AV8805A pre-amplifier redefines the audiophile home cinema and music listening experience with 13.2 channel processing capability 8K pass-through and support for the latest in surround sound audio formats such as Dolby Atmos DTS:X DTS:X Pro IMAX Enhanced and Auro-3D. Marantz proprietary technologies enhance any audio playback for the most demanding of listeners. Stream music throughout your home with HEOS Built-in for a whole home audio experience from your favourite streaming services. With the new Marantz AV8805A you get incredible fidelity and unparalleled audio precision.