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Hollyland Mars 300 PRO HDMI Wireless Video Transmitter/Receiver Set (Enhanced)


Key features;

  • 400′ to RX, 300′ to App Line-of-Sight
  • Transmit up to 1080p60
  • Transmitter: HDMI Input & HDMI Loop-Out
  • Receiver Has 2 x HDMI Outputs


What’s Included

The TX and RX are compact, feature a bright OLED display for configuration, and they each have a 1/4″-20 mounting thread on the bottom. They both can be powered using a USB Type-C source, or an L-series NPF type battery (not included). The Mars 300 set also includes an accessory expansion plate, a shoe mount, and a USB Type-C cable.

Mars 300 Pro kit

Hollyland states having internal antennas will affect its reliability, however, I didn’t notice issues that would make it problematic. Like all wireless devices, the area you use them in will affect the performance.


Here is the Mars 300 Pro side by side with the Mars 300. As you can see it’s a little taller, but no antennas.

Pairing and Channels

Mars 300 Pro pairing

The process is straightforward. Mine came already paired, so that is nice. To manually pair the TX and RX you go into the menu and select pair on both TX and RX0. After a few seconds, it’s all done.Buy the Hollyland Mars 300 PRO HDMI Wireless Video Transmitter/Receiver Set (Enhanced)  Best Price Online from The Clickstore,Nairobi

Mars 300 Pro pairing fail

The Mars 300 Pro has eight channels to choose from with the TX. When set to auto the Mars 300 Pro selects the cleanest and strongest channel to use.