Test Bench Two channels driven continuously into 8-ohm loads: 0.1% distortion at 159.0 watts 1% distortion at 186.4 watts Five channels driven continuously into 8-ohm loads: 0.1% distortion at 102.3 watts 1% distortion at 127.1 watts Seven channels driven continuously into 8-ohm loads: 0.1%...
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I can’t find numbers for the RX-A2070, but it’s probably similar to the RX-A3060.
THD at 2.83 Volts = 0.008%. It might not be as low as the Denon. But you’re not going to hear any audible distortion.