– Zinwell is an approved manufacturer for DirecTV Satellite Antennas, Multiswitches and Accessories. This brief video will explain the ZW-3X4 Multiswitch, which combines 1 Satellite Signal and outputs it to 4 Receivers or Rooms. This switch does not require an external power source and is compatible with both DirecTV and Free-To-Air Receivers. Brought to you by Incredible Entertainment.