Hollyland Mars 400S PRO SDI/HDMI Wireless Video Transmission System


Starting at $40/mo

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In the box

Hollyland Mars 400S PRO SDI/HDMI Wireless Video Transmission System

  • Hollyland Mars 400S PRO SDI/HDMI Wireless Video Transmission System
  • Transmitter
  • Receiver
  • 5 x Antenna
  • User Guide
  • DC Adapter
  • Limited 1-Year Warranty

From The Wavelength Blog Read more

Hollyland Mars 400S PRO SDI/HDMI Wireless Video Transmission System

Awaken the power with the Mars 400S Pro. The Mars 400S PRO from Hollyland is your perfect companion for indie filmmaking, live broadcasting, sports activities, education recording, wedding ceremonies, and corporate events. This system has a 400-feet line of sight (LOS) reliable wireless video and audio transmission with only 0.08S latency. Featuring a sleek industrial design, the Mars 400s PRO has a lower gravity center, which means, it takes less space on setup. Thanks to the integrated cold shoe on both the transmitter and the receiver, the system provides a much more stable and convenient installation.

High Quality Recording and Live Streaming

The Mars 400S PRO features the direct live stream data feature. Now, with the 400S PRO, video feed straight out of RX will be used for live streaming on OBS, vMix, or VLC on your personal computer without further encryption and decryption via a video capture device. This system comes with HD Mode, balance mode and speed mode in the settings. The data rate is raised from 8M Bps to 12M Bps for HD monitoring quality. It also features Off, Low Speed and Auto fan modes for different applications and better shooting experience.

Channel Scan and Firmware Update on App

This system automatically scans the current wireless environment and enable you to easily find out the optimal channels for use on both RX and on the HollyView App. The App can also directly upgrade the system while abandoning the traditional upgrade on the devices. Both the channel scan and firmware upgrade are just a click away.

Additional Features

The transmitter supports up to two receivers and for the number of RX and App, it follows the 2 RXs - 0 App, 1 RX - 2 Apps, 0 RX - 4 App pattern. The Mars 400S Pro also allows up to four phones and Tablets real-time monitoring with professional monitor features, such as Waveform, Focus Peaking, Zebra, Zoom In/Out, 3D Luts, etc. Both transmitter and receiver equipped with L-series battery plate and also can power by DC adapter or power by USB-C interface. Hollyland Mars 400S PRO supports 5~12V wide voltage power supply with Type-C charging option added to various L-series batteries and 6~16V DC power options. Additionally, without operation for 5s, the OLED screen automatically enters the low-power mode and reduces the brightness to save battery power.


Video Connectors
  • HDMI Output
  • 1 x BNC (3G-SDI / HD-SDI) Input
Video Input3G-SDI
HDMI Inputs1


Pack SizeSingle Bundle
WeightTransmitter weight: 0.5 lb / 206 g, Receiver weight: 0.5 lb / 206 g
Mount Type1/4"-20 Female

Same Day Shipping

All orders placed by 4PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

Free Two-Day Shipping

We offer free expedited shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).

Flexible, Easy Returns

If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

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