The Pioneer Elite SC-99 vs Onkyo TX-SR343 comparison shows that these AV receivers have some important differences and common features. The Elite SC-99 has 9.2 channels amplifier and the TX-SR343 5.1 channels. Only the Elite SC-99 has a Dolby Atmos support. We have evaluated both AV receivers, Elite SC-99 has an overall score of 9.5 out of 10 vs 4.3 out of 10 for TX-SR343.
The Pioneer Elite SC-99 is better receiver in this comparison. Check Pioneer Elite SC-99 price