An affordable AV receiver is always a good option to consider, so Onkyo TX-RZ710 vs Marantz NR1506 comparison definitely makes sense. The TX-RZ710 has 7.2 channels amplifier and the NR1506 5.2 channels. Only the TX-RZ710 has a Dolby Atmos support. DTS:X is supported only by the TX-RZ710. We have evaluated both AV receivers, TX-RZ710 has an overall score of 7.5 out of 10 vs 6.3 out of 10 for NR1506.
The Onkyo TX-RZ710 is better receiver in this comparison - check Onkyo TX-RZ710 price.