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Denon, Marantz Add Auro-3D

D+M Group made Auro-3D surround processing available for the first time in late March through a $200 firmware upgrade for four networked audio components from Denon and Marantz.

The components include two Denon AVRs – the $1,499-suggested AVR-X4200W and $2,199 AVRX6200W. The Marantz products are the $2,199 SR7000 AVR and the $2,199 AV7702mkII preamp surround processor.

The Marantz components and the $2,199 Denon AVR support Auro-3D surround in up to 10.1-channel speaker configurations, while the $1,499 Denon AVR supports Auro up to 9.1 channels. All four D+M components also feature Dolby Atmos and are upgradable to DTS:X surround with a free firmware upgrade that is already available.