A 7.1-channel processor/preamp with state-of-the art digital processing and features, the Krell Foundation is aimed at home theatre enthusiasts for whom only the very best will suffice. A total of 10 HDMI inputs and two outputs provide setup flexibility, including instantaneous source switching, while the brand’s proprietary ARES room EQ system tailors sound performance to the listening environment. Owners of compatible amplifiers can make use of its balanced outputs. As expected from a high-end product, design and build quality is faultless, and the slim form factor means it can be accommodated easily. In action the Foundation delivers multichannel audio with amazing clarity and precision and passes video signals with unerring accuracy.