Hollyland Mars 300 Dual HDMI Wireless HD Transmission System


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  • 14 Days Easy Returns
  • Outstanding Support
  • UK Stock with UK Warranty
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The Mars 300 Dual HDMI Wireless HD Video Transmission System from Hollyland provides users with low latency and high-quality video meeting the requirements of a director and photographer alike.

Key Features

  • The Mars 300 is 300ft wireless transmission system with low latency and high-quality video providing the user with the stable transmission. 300ft is not the limitation.
  • The Mars 300 is breaking through tradition and now features a lightweight and compact design for better user experience. The transmitter uses a die-casting process to get integral moulding.
  • Thanks to innovative chipset solution the power consumption is minimised while maintaining device performance. One full-charge battery can be used continuously for 5 hours.
  • High definition quality has been achieved by applying motion noise reduction technology, satisfying the requirements of a director and photographer.
  • Both transmitter and receiver are equipped with Dual HDMI ports. The transmitter has one HDMI-IN port fort audio and video signals as well as one HDMI-loop out for an extra monitor. On the receiver, both HDMI ports can output audio and video.

What’s in the box?

  • 1x Transmitter
  • 1x Receiver
  • 1x Screw Fitting
  • 1x Hard Case
  • 5x Antennas
  • 1x Cold Shoe
  • 1x User Manual
  • 1x DC Adaptor

Additional Information


  • Product Weight: 186grams
  • Product Dimensions: 4.13 x 2.44 x 82″ / 105 x 62 x 22mm


Delivering/Collecting Your Order

We aim to deliver your product within 3-5 working days. Should there be any delay or an issue with stock availability we will contact you asap.

If you have specific delivery/order instruction you can write these in the order notes at checkout.

Collecting Your Order:

Sometimes you’ll want something even quicker than we can deliver. That’s why we offer you the option to order online and collect in-store. Before coming in to collect please call or email us to ensure stock is available.

For more information regarding delivery please see our delivery page.

Returning your product if it’s unwanted:

Please return your item unused and in original condition (as it was received by you) with proof of purchase within 14 days, and we’ll give you an exchange or refund.

We do ask when returning to use a reputable courier with a tracking service and the item to be fully insured. Please be aware that we’ll only process your refund once the item has been returned to and checked by our specialist; this can take up to 14 days.

Returning your product because it has a fault:

If your product develops a fault within 30 days of purchase, please return with proof of purchase and we’ll exchange or refund it.

Price Promise:

Ask us how we can offer you more value for your money. We’re always looking for the best price, even if we’re saving a couple of pounds. That’s why we’ll make it in our best interest to offer you the very best option should you find them cheaper. Our Price Match Promise

  • We only price match against websites from retailers in the UK
  • The product on our competitor’s site needs to be exactly the same as the one on our site
  • The product must be in stock with the competitor and available for delivery within 10 days
  • We don’t price match against other trade sites
  • Unfortunately, we can’t price match if you’re using a finance plan.
  • We may not able to price match the item but there are other ways we can bring better value to your potential purchase.

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  2. Checkout with PayPal and choose PayPal Credit
  3. Apply for PayPal Credit and get an instant decision.

If you are approved you can complete your purchase immediately Representative example: Representative 19.9% APR (variable); Purchase rate 19.9% p.a. (variable); Assumed credit limit £1200. Subject to Status. PayPal Credit is a trading name of PayPal (Europe) S.à.r.l. et Cie, S.C.A., 22-24 Boulevard Royal L-2449, Luxembourg.