Dual HDMI Wireless Transmission System Hollyland MARS 400S


The Hollyland Mars 400S is a dual HDMI (audio/video) wireless transmission system capable of transmitting HD signals (up to 1080p60) over 120 meters.


IMPORTANT NOTICE: Some products in this store may be affected by the lack of components and supplies worldwide. Therefore, orders placed on this website are made on a reservation and inquiry basis. We will send you a confirmation email after checking stock and current price. If the order is not affected we will proceed with it as usual. Thank you for your understanding.

Additional information

DiscontinuedThe Mars 400S model, has an operating distance of over 400 ft (120 meters), SDI and HDMI connections on the transmitter and receiver, can be paired with two receivers simultaneously and up to 4 devices via APP, and what makes it unique, you can monitor the signal (transmitted via WiFi) from an application on any smartphone or tablet, both iOS and Android. This app allows you to record video and take photos, edit the contents and send them instantly via email, social networks, etc.


  • APP monitoring (Android / iOS)
  • Dual HDMI
  • OLED display screen
  • 400 ft (120 m) transmission range
  • Channel scan
  • Low battery warning indicator
  • Three application scene modes: Image Mode, Balance Mode y Speed Mode
  • Portable & Lightweight
  • Industrial metal case
  • USB upgrade
  • Power supply 6~16 V DC

Package contents

  • 1 × transmitter
  • 1 × receiver
  • 5 × antenna 5 GHz
  • 1 × user manual
  • 1 × cold shoe
  • 1 × expansion accesory
  • 1 × DC adapter
  • 1 × OTG adapter
  • 1 × C-Shaped Screw
  • Batteries and charger not included