Need help picking out an Onkyo recevier? This chart gives you the key differences between the models in Onkyo's 2016 Receiver lineup.
| Model | TX-SR353 | TX-NR555 | TX-NR656 | TX-NR757 |
| MSRP | $469.99 | $749.99 | $899.99 | $1049.99 |
| Our Price | $214.99 | $408.70 | $475.80 | $649.99 |
| Channels | 5.1 | 7.2 | 7.2 | 7.2 |
| Power, 1ch, 6ohm, 1kHz | 140w, 1.0% THD | 140w, 1.0% THD | 170w, 1.0% THD | 180w, 1.0% THD |
| Power, 2ch, 8ohm, 20Hz-20kHz | 80w, 0.08% THD | 80w, 0.08% THD | 100w, 0.08% THD | 110w, 0.08% THD |
| Atmos Capable |
No | Yes | Yes | Yes |
| HDMI In/Out | 4/1 | 6/1 | 8/2 | 8/2 |
| Video Upconversion | To 4K | To 4K | To 4K | To 4K |
| DACs | 24 bit | 32 bit | 32 bit | 32 bit |
| HDMI Version | 2.0 | 2.0 | 2.0 | 2.0 |
| HDCP | 2.2 | 2.2 | 2.2 | 2.2 |
| MHL HDMI Input | No | No | Front Panel | Front Panel |
| Digital In (Opt/Coax) | 1/1 | 2/1 | 2/1 | 2/1 |
| Phono In | No | Yes | Yes | Yes |
| Analog Preouts | 0.1 | 0.2 | 0.2 | 0.2 |
| Powered Zone 2/3 | No/no | Yes/No | Yes/No | Yes(A+B)/No |
| Zone 2/3 | No/No | No/No | Yes/No | Yes/No |
| Weight | 17.6 lbs. | 20.7 lbs. | 22 lbs. | 22 lbs. |