Denon and Marantz to Offer Auro-3D Upgrades on Premium AV Receivers
Denon and Marantz announced a unique upgrade offer to bring three-dimensional audio format Auro-3D to their recently introduced Premium AV Receivers. Expected to be available in December, a firmware upgrade will further enhance the feature set of the highly-acclaimed Denon AVR-X5200W and the AVR-X4100W models and Marantz SR7009 and AV7702 receiver and pre-amp / processor.