An affordable AV receiver is always a good option to consider, so Marantz AV8805 vs Onkyo TX-NR555 comparison definitely makes sense. The AV8805 has 13.2 channels amplifier and the TX-NR555 7.2 channels. Both receivers have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices. We have evaluated both AV receivers, AV8805 has an overall score of 9.4 out of 10 vs 7 out of 10 for TX-NR555.
The Marantz AV8805 is better receiver in this comparison - check Marantz AV8805 price.