room correction - Robuta Search

https://www.whathifi.com/news/rotel-announces-two-av-amplifiers-with-dirac-room-correction

The RSP-1576MKII preamp and RAP-1580MKII amp are both well-spec'd machines

https://onkyo.com/de/blog/what-is-room-correction-2

https://www.dirac.com/

Advanced room correction and sound optimization software for home audio, automotive, and professional systems.

https://www.marshall.com/gr/en/support/speakers/support-for-heston-120/room-correction

Find comprehensive instructions and details to start setting up and using your Marshall Heston 120.