Groupon offers the Onkyo 7.2-Channel 805-watt 4K UHD WiFi Bluetooth A/V Smart Receiver, model no. TX-NR545, for $299.99. Coupon code "SURPRISE" cuts it to $269.99. With free shipping, that's $15 under last week's mention and the lowest total price we've seen. (It's a current best by $119.) It features 115 watts per channel, 4K UHD passthough, WiFi, Bluetooth, preinstalled apps (Spotify, Pandora, etc.), AM/FM radio, support for Apple AirPlay and Dolby Atmos, USB, six HDMI inputs, and one HDMI output. Deal ends April 14.