Hollyland MARS 300 PRO Wireless Video Transmitter Announced
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Hollyland has just added a new wireless surveillance solution to its range: the Hollyland MARS 300 PRO. Like its predecessor, this PRO version is a wireless HDMI system with a maximum transmission range of 90 m. However, there are some improvements under the hood of the MARS 300 Pro: it is lighter with built-in antennas, now compatible with the HollyView monitoring app, has an OLED screen on the side and so on. Let's take a closer look!

Hollyland MARS 300 PRO – The good gets better

The original Hollyland MARS 300 wireless video system has become popular with DSLR / mirrorless camera users. With an affordable price tag of around $ 450, this prosumer system was one of the first solutions that independent filmmakers could buy without breaking the bank.

One year after its launch, Hollyland has just released a new version based on the success of its predecessor: the Hollyland MARS 300 PRO.

Photo credit: Hollyland

Hollyland MARS 300 PRO – the same, but different

The Hollyland MARS 300 PRO is a wireless HDMI video transmission system with a maximum transmission range of 90 m. The latency is now only 0.08 s (0.1 s for the previous MARS 300) and works over the WiFi network.

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Photo credit: Hollyland

As with the previous model, you have two HDMI connections on the transmitter. One is the input port while the other is a loop out port. The receiver also has two HDMI connections, but both are HDMI outputs.

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Like its predecessor, the housing of the MARS 300 PRO is made of metal. The Hollyland MARS 300 PRO is available as a "standard" or "enhanced" version. Both versions now have built-in antennas on the receiver.

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Photo credit: Hollyland

Antennas are also integrated in the standard version of the transmitter. However, if you work in crowded WiFi environments, the "extended" version has removable antennas on the transmitter for better signal stability. However, the MARS 300 PRO is lighter and smaller than the previous generation:

  • MARS 300 PRO standard transmitter: 110 x 61 x 21 mm with a weight of 136 g.
  • Extended transmitter MARS 300 PRO: 106 x 61 x 21.8 mm with a weight of 172.5 g.
  • MARS 300 PRO receiver: 110 x 62 x 21 mm and a weight of 128.5 g.

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Photo credit: Hollyland

The Hollyland MARS 300 PRO system can be powered by two Sony NP-F style batteries. These batteries usually last a long time, depending on the selected capacity.

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Photo credit: Hollyland

You can also supply the MARS 300 PRO with an external battery. However, the 6-16 V DC barrel locking power connector on the MARS 300 is now gone. The MARS 300 PRO has a type C USB power input. This means that it is now easier to supply power to the transmitter and receiver, for example, from a battery bank or a USB power supply.

If you want to power your wireless system from a V-Mount / Anton Bauer battery, I have to admit that I liked the previous connector more. In fact, finding D-Tap for power cords is easier than D-Tap for USB-C cables, and it's more reliable. Meanwhile, most Anton / Bauer V-Mount and many other brand batteries have a USB port, so you should be fine.

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Photo credit: Hollyland

Hollyland MARS 300 PRO – what's new?

Both the transmitter and the receiver look very similar, but you can see from the outside that the status screen is no longer on the top of the device. You still have two attachment points to attach the included 1 / 4-20 inch mounting adapter. There is also a 1 / 4-20 "mounting point on the bottom of the transmitter and receiver.

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On the left side there is an ON / OFF switch and a clickable thumb wheel to navigate through the menu. There is an OLED status screen above the thumbwheel, on which you receive information about the resolution of your signal input, the radio channel, the battery status and the fan speed.

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The MARS 300 PRO is now compatible with the Hollyland HollyView app. As with the MARS X and MARS 400S, you can connect your receiver to a monitor, but you can also connect up to three telephones / tablets to it. This feature is convenient and inexpensive for large devices if you don't have multiple Director monitors. In fact, your client can simply download the HollyView app, which is compatible with iOS and Android devices, and see what you record.

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Photo credit: Hollyland

If you are talking about the HollyView app, you can now use it to update the firmware of your Hollyland MARS 300 PRO. In crowded WiFi locations, you can use the app to scan all available channels to choose the best one. The channel scan is also integrated in the receiver.

Pricing and availability

All products should be available in the next few weeks. The Hollyland MARS 300 PRO costs $ 449.00 for the standard version, while the Enhanced costs $ 469.00. You can also purchase a single standard transmitter (to pair and use with your smartphone) for $ 199.00.

What do you think about the Hollyland MARS 300 PRO? Have you already used the previous version? Don't hesitate to let us know in the comments below!

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