If you are serious about sound look no further than the Denon AVC-X3800H. This is a mid-range 9.4 channel receiver with 8K video and 3D audio – including Dolby Atmos, DTS:X, IMAX Enhanced and Auro 3D. This sort of spec is aimed at larger rooms where you want  theatre-quality sound that truly immerses you in the audio. What HiFi? gave it five stars highlighting its, “…refined, warm sound, calibration software and future-proofed connectivity”.