Onkyo TX-8470 8K 2-Channel 110W Receiver $399 at Adorama $399 $850 Adorama has the Onkyo TX-8470 8K 2-Channel 110W Receiver for $850 - $451 off with coupon code JHCE2491 at checkout = $399 with free shipping. Class G amplifier, 32bit/768kHz stereo DAC, HDMI ARC. $399 retail: $850 for $646 (Used $529) Posted by Faraday03/27/2026 at 04:00 PM PT