Costco Members: Denon AVR-X1700H 7.2-Channel 8K A/V Receiver (Black) $300 + Free S/H Costco Wholesale has *Denon AVR-X1700H 7.2-Channel 8K A/V Receiver* (Black) on sale for *$299.99* valid for *Costco Members* only. *Shipping is free*. Thanks to community member *SlickCal* for…