Here we are comparing Marantz SR7015 vs Denon HEOS AVR to reveal their common strengths and weaknesses. The SR7015 has 9.2 channels amplifier and the HEOS AVR 5.1 channels. Only the SR7015 has a Dolby Atmos support. DTS:X is supported only by the SR7015. We have evaluated both AV receivers, SR7015 has an overall score of 9.6 out of 10 vs 4.8 out of 10 for HEOS AVR.