GearBest offers the Tanix TX2-R2 4K 16GB Android TV Box for $28.99. Coupon code "GBTX211" cuts that to $23.99. With free shipping, that's the lowest price we could find by $6. It features an Rockchip RK3229 2.5GHz quad-core processor, 2GB RAM, 16GB internal storage, 802.11n wireless, Bluetooth, HDMI, USB, and Android 6.0 (Marshmallow). Deal ends December 10.

Note: It ships from China and may take up to six weeks to arrive.