An affordable AV receiver is always a good option to consider, so Sony STRZA5000ES vs Onkyo TX-NR555 comparison definitely makes sense. The STRZA5000ES has 9.2 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, STRZA5000ES has an overall score of 7.3 out of 10 vs 7 out of 10 for TX-NR555.
The Sony STRZA5000ES is better receiver in this comparison - check Sony STRZA5000ES price.