Also: amplifier is about ten feet from dac output on tv so don't think a straight dac to optical in on the onkyo exists so think I might have to get DAC to Rca adapter like this due to the length
https://www.amazon.com/gp/aw/d/B005K2TXMO/ref=ox_sc_act_image_1?ie=UTF8&psc=1&smid=AFKH6OU9WWNFS