Prime Day $438 49-inch Premium Brand 4K TV Deal is the Sony KD49X720E Posted on 17/07/2018 by i4u The 49-inch Sony KD49X720E 4K UHD Smart TV is the 49-inch Premium Brand 4K Smart TV for $438 that Amazon announced in the Prime Day 2018 deals list.The Sony KD49X720E is a 2017...