Ending today, NeweggFlash offers the Pioneer 5.1-Channel 4K Ultra HD AV Receiver, model no. VSX-524-K, for $149.99. This $20 mail-in rebate drops it to $129.99. With free shipping, that's $2 below our February mention and the lowest total price we've seen. (It's a current best by $80.) It features up to 140 watts per channel (at six ohms), 4K UHD pass-through, USB input, four HDMI inputs, and one HDMI output.