http://www.eu.onkyo.com/en/irajax/en/features/thx-ultra2-plus-28671.html/cHJvamVjdC5jb21tb24udXJsU2hvcnRlbmVyOw==

Features

THX Ultra2 Plus

THX Ultra2 Plus components are ideally suited for a room where the screen-to-seat viewing distance is greater than 4 meters, and the room size is approximately 85 cubic meters. THX Loudness Plus is included in the specification.

Products with this feature.
TX-SR876 THX® Ultra2 Plus™ Certified 7.1-Channel Home Theatre Receiver

Based on a winning design for high-definition home theatre reproduction, the TX-SR876 is a comprehensive A/V processing “hub” with a deep reservoir of amplification power…

TX-SR806 THX® Ultra2 Plus™ Certified 7.1-Channel Home Theatre Receiver

The TX-SR806 occupies a unique position in the Onkyo line-up.We class it as a mid-range A/V receiver. But with its advanced capabilities and THX Ultra2 Plus certification…