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Hollyland Mars 400S PRO II SDI/HDMI Wireless Video Receiver

BH #HOHL400SPR2 • MFR #HL-MARS 400S PRO II RX
Hollyland Mars 400S PRO II SDI/HDMI Wireless Video Receiver
Key Features
  • Mars 400S PRO Receiver Only
  • Receive up to 1080p60 Video from 500'
  • Extremely Low 70 ms Latency
  • 3G-SDI and HDMI Outputs, Embedded Audio
Receive up to 1080p60 wireless video from your gimbal, mirrorless, or DSLR camera rig using the lightweight Mars 400S PRO II SDI/HDMI Wireless Video Receiver from Hollyland. This updated receiver provides dual HDMI and SDI outputs to your monitoring equipment and features extremely low 70 ms latency and high 12 Mb/s data rate with line-of-sight transmission up to 500'. For a strong line-of-sight signal, the receiver includes two external antennas, and one is included as a spare. The Mars 400S PRO II transmitter can simultaneously transmit video to up to two receivers.
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Hollyland Mars 400 Pro II Overview

  • 1Description
  • 2
  • 3Greater Range, Lower Latency
  • 4Crisp Clarity with High Data Rate
  • 5Ultra-Low Latency
  • 6SDI and HDMI
  • 7Smart Channel Scan
  • 8Monitor on up to 4 Devices
  • 9Flexible Fan Control
  • 10Integrated Cold Shoe
By B&H Photo's
Receive up to 1080p60 wireless video from your gimbal, mirrorless, or DSLR camera rig using the lightweight Mars 400S PRO II SDI/HDMI Wireless Video Receiver from Hollyland. This updated receiver provides dual HDMI and SDI outputs to your monitoring equipment and features extremely low 70 ms latency and high 12 Mb/s data rate with line-of-sight transmission up to 500'. For a strong line-of-sight signal, the receiver includes two external antennas, and one is included as a spare. The Mars 400S PRO II transmitter can simultaneously transmit video to up to two receivers.
Greater Range, Lower Latency
The Mars 400S Pro II is a powerful video receiver that offers a wireless range of up to 500' and achieves a low latency of just 70ms. The Mars 400S Pro II is equipped with SDI and HDMI outputs, supports multi-receiver setups, and allows monitoring through the HollyView App.
Crisp Clarity with High Data Rate
The system supports a high 12 Mb/s data rate, enabling high-definition video transmission and delivering clear, refined image quality with rich details.
Ultra-Low Latency
The Mars 400S Pro II raises the bar with a very low latency of just 70ms. It outperforms Mars 400S Pro by reducing latency by 30% and providing a stable signal transmission range of up to 500'. This ensures high-definition image quality and an immersive low-latency experience. It is also compatible with Mars 400S Pro, allowing them to be paired and used together.
SDI and HDMI
Equipped with both SDI and HDMI outputs, the Mars 400S Pro II receiver provides enhanced device compatibility and convenient connections to various types of equipment. Whether it's a DSLR or professional film camera, a switcher, an app, or a display, the Mars 400S Pro II can fulfill your connectivity requirements.
Smart Channel Scan
Upon startup, Mars 400S Pro II automatically selects the best frequency channels. Manual channel scanning can be conducted using the receiver or the HollyView App, providing a visual representation of signal interference levels at each frequency. The app allows you to install optional channel-scanning firmware, enabling you to easily find the strongest transmission signals.
Monitor on up to 4 Devices
The Mars 400S Pro II offers flexible solutions to meet monitoring needs, including team collaboration, multi-crew monitoring, and multi-member cooperation. Using the Hollyview app for iOS or Android, you can monitor your video transmission in real time via a Wi-Fi connection as well as live stream directly from the receiver via your computer using a USB-C adapter. The transmitter can simultaneously transmit to up to one receiver and two apps, or to a total of four apps without the receiver.
Flexible Fan Control
Each Mars 400S Pro II unit is equipped with a three-speed fan adjustment feature (Auto, Low Speed, Off). Its intelligent cooling design allows it to perform optimally in various usage scenarios by reducing device temperature and ensuring stable signal transmission.
Integrated Cold Shoe
Integrated with a shoe adapter featuring a 1/4"-20 screw simplifies the installation process. Simply connect the shoe adapter of the Mars 400S Pro II to a cold shoe slot on your camera or cage without the need for any cumbersome additional installation steps.

Hollyland Mars 400 Pro II Specs

Key Specs
Video I/O
1x HDMI (Unspecified Signal) Output
1x BNC (3G-SDI) Output
Embedded Audio
HDMI/SDI
Latency
70 ms
Video Format
HDMI/SDI
1080p
Battery Type
1x L-Series
Power Consumption
7 W
Mounting
1x Cold Shoe
1x 1/4"-20 Female
Inputs / Outputs
Antenna I/O
2x RP-SMA Male
Video I/O
1x HDMI (Unspecified Signal) Output
1x BNC (3G-SDI) Output
Embedded Audio
HDMI/SDI
Audio I/O
No
Power I/O
1x Barrel (16 VDC) Input
1x USB-C (2 A / 5 VDC) Input
Encryption
No
Wireless
Wireless Range
500' / 152.4 m (Line-of-Sight)
Channel Bandwidth
20 MHz
Frequency Range
US: 5 GHz
Latency
70 ms
RF Sensitivity
-80 dBm
Bluetooth
No
Mobile App Compatible
Yes: Android & iOS
App Name: Hollyview
Cellular Support
No
Format Support
Video Format
HDMI/SDI
1080p
Wireless Video Compression
Compressed
Power
DC Input Power
6 to 16 VDC
Battery Type
1x L-Series
Power Consumption
7 W
Mounting
Mounting
1x Cold Shoe
1x 1/4"-20 Female
Environmental
Environmental Protection
No
Certifications
No
General
Dimensions
4.3 x 2.8 x 1.3" / 110 x 72 x 33.5 mm
Weight
7.3 oz / 206 g
Packaging Info
Package Weight
1.32 lb
Box Dimensions (LxWxH)
7.5 x 5.4 x 2.7"

Hollyland Mars 400 Pro II Reviews

See any errors on this page? Let us know

where can i buy the transmitter only?

where can i buy the transmitter only?
Asked by: jason
The Hollyland Hollyland Mars 400S PRO II transmitter would need to be purchased in a kit that includes one Receiver. Hollyland Mars 400S PRO II SDI/HDMI Wireless Video Transmission System BH #HOHL400SP2
Answered by: Chris H
Date published: 2024-02-02

In the previous version I had SDI connectivity ...

In the previous version I had SDI connectivity problems towards the Black magic Design Atem Switchers. Was that problem solve?
Asked by: Carlos
The older Black Magic switchers required a specific framerate because they do not have scalers in each input like newer Constellation, Atem Mini/Extreme models now offer. This was not a problem with the older Hollyland Mars 400S PRO. Also, when using the DECIMATOR MD-HX you will be able to correct the framerate issues. DECIMATOR MD-HX Miniature HDMI/SDI Cross Converter with Scaling & Frame Rate Conversion BH #DEDDHX
Answered by: Chris H
Date published: 2024-01-09

Can the support 59.94 in/out?

Can the support 59.94 in/out?
Asked by: Charles
The Hollyland Mars 400S PRO II SDI/HDMI Wireless Video Transmission System (BH #HOHL400SP2) supports a 59.94fps input. The receiver converts that signal to an even 60fps, similar to the original 400S model, so there is no way to output 59.94.
Answered by: Zacky
Date published: 2024-02-02

Is the latency actually low enough that you can ...

Is the latency actually low enough that you can pull focus with it? How does the latency compare to a Teradek Bolt?
Asked by: Nickolas
Teradek Bolt is a zero latency solution. The Hollyland Mars 400S PRO II SDI/HDMI Wireless Video Transmission System does have latency and combined with the latency of the follow focus system, may not be an acceptable amount for production needs.
Answered by: JonathanS
Date published: 2023-12-10
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