Often has a USB-C port and minor tweaks to the RF board to reduce internal hiss.
. Instead, "updates" for the D-808 have arrived as distinct hardware revisions over the years. The Evolution of "Firmware" Through Hardware xhdata d-808 firmware update
On newer versions, holding the power button may result in a beep without the unit turning on immediately, whereas older units power on/off directly with a long press. Backlight: Often has a USB-C port and minor tweaks