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Hollyland Mars 400S PRO II

Hollyland Mars 400S PRO II

SDI/HDMI Wireless Video Transmission System

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Wireless Transmission

Unleash Wireless Possibilities

  • 0.07s Low Latency

    Low Latency

  • 450ft (150m) LOS Range

    LOS Range

  • 12Mbps Data Rate

    Data Rate

  • SDI & HDMI Dual Ports

    SDI & HDMI
    Dual Ports

  • Flexible Monitoring Options

    Flexible Monitoring

  • Smart Channel Scan

    Smart Channel

  • Multiple Fan Modes

    Multiple Fan

  • Integrated Cold Shoe

    Cold Shoe

Transcending Limits


Greater Range, Lower Latency

Mars 400S Pro II is a powerful video transmission device with several remarkable features. It offers a transmission range of up to 450ft (150m) and achieves a low latency of just 70ms. Additionally, Mars 400S Pro II is equipped with SDI+HDMI dual interfaces, supports multi-receiver setups, and allows monitoring through the HollyView App.

Experience Crisp Clarity with
12 Mbps Data Rate


Supports 12 Mbps data rate, enabling high-definition video transmission and delivering clear, refined image quality with rich details.

70ms Ultra-Low Latency
450ft (150m)
Transmission Range

Range: Feet
Latency: ms
Mars 400S Pro
Mars 400S Pro
Mars 400S Pro II
Mars 400S Pro II


Transmission Range



Mars 400S Pro II raises the bar with an incredibly 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 450ft. This ensures exceptional high-definition image quality and an immersive low-latency experience.

Furthermore, Mars 400S Pro II is compatible with Mars 400S Pro, allowing them to be paired and used together.

Note: The LOS range of 450ft (150m) is based on interference-free laboratory measurements.

just 70ms

SDI + HDMI Dual Ports for
Unmatched Compatibility

Unmatched CompatibilityUnmatched Compatibility

Equipped with both SDI and HDMI interfaces, Mars 400S Pro II provides enhanced device compatibility and convenient connections to various types of equipment. Whether it's a DSLR camera or a professional film camera, Mars 400S Pro II can fulfill your connectivity requirements.

Steady Shooting with
Smart Channel Scan

Upon startup, Mars 400S Pro II automatically selects the best frequency channels. Additionally, channel scanning can be conducted using the receiver or the HollyView App, providing a visual representation of signal interference levels at each frequency. Allows for the swift identification of the most suitable frequency.

Smart Channel Scan

Note: Smart channel scanning with HollyView App

Monitoring on Up to
4 Devices

Mars 400S Pro II offers flexible solutions to meet monitoring needs, including team collaboration, multi-crew monitoring, and multi-member cooperation.

1 Transmitter X 2 Receivers
1 Transmitter X 1 Receiver & 2 APP
1 Transmitter X 4 APP

Monitoring on Up to 4 Devices
Download HollyView

Flexible Fan Control
Including Mute Option

Mars 400S Pro II 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.

Flexible Fan Control
Auto Mode

The device automatically adjusts the fan speed based on its temperature, ensuring effective heat dissipation.

Low-Speed Mode

The fan operates at the lowest speed, reducing noise generation. This mode is suitable for environments where low noise levels are required.

Off Mode

The fan is completely turned off, making it suitable for scenarios that require absolute silence.

Integrated Cold
Shoe for Seamless

Integrated with a cold shoe featuring a 1/4-inch threaded cold shoe simplifies the installation process. Simply connect the cold shoe of the Mars 400S Pro II to the cold shoe slot on the device, without the need for any cumbersome additional installation steps.

Integrated Cold Shoe for Seamless Installation
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Delivery Options

  • 門市自取
  • 順便智能櫃
  • 順豐站
  • 順豐速遞

Payment Options

  • Alipay (HK)_SHOPLINE Payments
  • Apple Pay
  • Credit Card
  • Bank Transfer
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