The Duo 4KSE is the latest Vu+ receiver. It has nice features, but will be a poor performing FTA receiver for North America.
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Price = £349.00 or about 462.00 United States Dollar.

This receiver has FBC tuners for satellite reception. There are no other advertised satellite tuners at this time.
What is a DVB-S2 FBC Twin Tuner?
A DVB-S2 FBC Twin Tuner has 8 demodulators.
With two conventional (e.g., Twin-LNB) satellite feeds, the tuner is comparable to 2 conventional and 6 additional tuners operating in loop-through mode. You can watch, stream or record simultaneously stations from 8 different transponders from 2 different Sat levels.
In SCR operation (Unicable) with 8 frequencies, this corresponds to 8 conventional tuners.
Users that have tested FBC tuners in North America report a decrease in signal sensitivity as compared to tuners without FBC capability.

These are the advertised features of the Duo4KSE from WOS:
Very fast switching times
WebKit Browser
Chromium OS
Dual HD transcoding
HbbTV
HDMI 2.0 output
HDMI 2.0 input
Gigabit LAN
DualBand WiFi (2.4 / 5 GHz)
Simultaneous decryption of 2 CI modules
Bluetooth 4.1 for e.g. Bluetooth soundbars or headphones
3.5 "TFT LCD Display - MiniTV
2x tuner slot for e.g. DVB-S2 / DVB-C * Full Band Capture (FBC) or DVB-T2 Dual Tuner
USB 3.0
ARM CPU (4x 1,500 MHz)
eMMC flash memory
HEVC / H.265 video decoding
Plug & Play removable frame for 2.5 "SATA HDDs (maximum height of HDD 15 mm)
External 12V power supply

This will be a good receiver for North America if you can accept the lack of satellite blindscan, little if any support, and a bit of decrease in tuner sensitivity.