Hollyland Mars 400 Pro II Overview

Enhance your gimbal, mirrorless, or DSLR camera rig with up to 1080p60 wireless video transmission using the lightweight Mars 400S PRO II SDI/HDMI Wireless Video Transmission System from Hollyland. The transmitter supports both SDI and HDMI inputs, while the receiver provides SDI and HDMI outputs. With ultra-low latency of just 70 ms and a robust 12 Mb/s data rate, it ensures high-quality, real-time video transmission over a line-of-sight range of up to 500′. The system also works seamlessly with the Hollyview Wi-Fi app, allowing for remote monitoring. Both the transmitter and receiver feature two external antennas for optimal signal strength, with a spare included for backup.

Extended Range and Reduced Latency

The Mars 400S Pro II boasts an impressive 500′ transmission range and minimizes latency to just 70ms, making it ideal for real-time monitoring and live production. It supports SDI and HDMI interfaces and offers multi-receiver functionality, all while allowing you to monitor footage via the HollyView app.

High-Quality Video with an Enhanced Data Rate

Supporting a data rate of 12 MB/s, the system ensures crisp, high-definition video transmission with exceptional image clarity and rich details.

Ultra-Low Latency Performance

Building on the performance of the Mars 400S Pro, the Pro II model reduces latency by 30%, offering a more responsive and stable video feed. With a transmission range of up to 500′, it delivers high-definition visuals and seamless low-latency operation. Additionally, the Mars 400S Pro II is compatible with its predecessor, allowing you to pair and use both systems together.

Dual SDI and HDMI Inputs

The Mars 400S Pro II supports both SDI and HDMI interfaces, enhancing compatibility with a wide range of devices—from DSLRs to professional cinema cameras—ensuring flexible connectivity options for any shooting setup.

Smart channel scanning

On startup, the Mars 400S Pro II automatically selects the best available frequency channels for a stable connection. Alternatively, you can manually scan channels using the receiver or the HollyView app, which provides a visual representation of signal interference levels. The app also supports optional channel-scanning firmware for quick access to the strongest transmission signals.

Monitor across Multiple Devices

For versatile monitoring solutions, the Mars 400S Pro II allows you to connect up to four devices at once. The transmitter can stream video to one receiver and two mobile apps, or up to four apps without the receiver. You can also live stream directly from the receiver via USB-C, making it simple to collaborate with your team or monitor footage on multiple devices using the Hollyview app on iOS or Android.

Customizable Fan Control

A three-speed adjustable fan (Auto, Low Speed, Off) equips each Mars 400S Pro II unit to efficiently manage cooling. This intelligent cooling system helps maintain optimal performance and ensures stable signal transmission in various shooting environments.

Integrated Cold Shoe Mount

For hassle-free installation, the Mars 400S Pro II includes an integrated cold shoe adapter with a 1/4″-20 screw, allowing simple attachment to your camera or rig without the need for extra mounting accessories.

FAQs for Hollyland Mars 400 Pro II

1. What is the maximum video resolution supported by the Hollyland Mars 400S Pro II?

The Mars 400S Pro II supports video transmission up to 1080p at 60fps (1080p60).

2. What is the Hollyland Mars 400S Pro II’s transmission range?

It has a line-of-sight transmission range of up to 500 feet.

3. What is the Hollyland Mars 400S Pro II system’s latency?

The Mars 400S Pro II offers ultra-low latency of 70 ms, ensuring real-time video transmission.

4. What video inputs and outputs are available on the Mars 400S Pro II?

Both SDI and HDMI inputs are available on the transmitter, and both SDI and HDMI outputs are available on the receiver.

5. Can I monitor the video feed on multiple devices?

Yes, the Mars 400S Pro II supports monitoring on up to four devices simultaneously. You can transmit to one receiver and two mobile devices via the HollyView app, or directly to up to four apps without a receiver.

6. Is the Mars 400S Pro II compatible with the preceding Mars 400S Pro model?

Yes, you can pair and use the Mars 400S Pro II with the previous Mars 400S Pro model.

7. How do I select the best transmission channel?

The Mars 400S Pro II has a Smart Channel Scan feature that automatically selects the best available frequency upon startup. You can also manually scan for channels via the receiver or the HollyView app.

8. What app can I use to monitor the video feed?

You can use the HollyView app, available on both iOS and Android, to monitor the video feed in real time.

9. How do I control the fan settings?

Each Mars 400S Pro II unit has a three-speed fan control feature (Auto, Low Speed, Off) to manage device cooling and maintain optimal performance.

10. Can you use the Mars 400S Pro II for live streaming?

Yes, via a USB-C adapter, you can live stream video from the receiver to a computer and connect to live streaming platforms.

11. What type of mounting options does the Mars 400S Pro II offer?

The system includes an integrated cold shoe mount with a 1/4″-20 screw, making it simple to attach to cameras, rigs, or cages.

What features does the Mars 400S Pro II system come with?

The package includes the transmitter, receiver, external antennas (two for each unit), and a spare antenna for backup.

13. How can I power the Mars 400S Pro II?

For flexibility, you can power the units using DC input, NP-F series batteries, or a compatible USB-C power source.

14. Does the Mars 400S Pro II work in environments with interference?

Yes, the system features a Smart Channel Scan that identifies channels with the least interference, ensuring a stable signal even in crowded wireless environments.

15. What is the Hollyland Mars 400S Pro II’s data rate?

The Mars 400S Pro II supports a high data rate of 12 MB/s, providing clear and high-quality video transmission.