Groupon offers the Denon 525-watt 7.2-Channel Network A/V Receiver, model no. AVR-S700W, for $379.99. Coupon code "LABOR10" makes it $341.99. With free shipping, that's the lowest total price we could find by $37. It features 75 watts per channel RMS (165 watts peak) into seven channels, 4K pass-through, Apple AirPlay, 802.11n wireless, Bluetooth, six HDMI inputs, and one HDMI output. Deal ends August 30.