The Marantz NR1403 vs Onkyo TX-SR343 comparison shows that these AV receivers have some important differences and common features. Both have 5.1 channel amplifiers. We have evaluated both AV receivers, NR1403 has an overall score of 4 out of 10 vs 4.3 out of 10 for TX-SR343.
The Onkyo TX-SR343 is better receiver in this comparison. Check Onkyo TX-SR343 price