Hollyland Mars 400S PRO 2 SDI/HDMI Wireless Video Transmission System
Product Code: 3211275

Hollyland Mars 400S PRO 2 SDI/HDMI Wireless Video Transmission System

We no longer sell this product and will not be receiving any new stock. Check below for availability of second-hand units.

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The Hollyland Mars 400S Pro II SDI/HDMI Wireless Video Transmission System 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

The Hollyland Mars 400S Pro II 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

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.

SDI + HDMI Dual Ports for Unmatched 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 fulfil 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. This allows for the swift identification of the most suitable frequency.

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.

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.

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 Installation

Integrated with a cold shoe featuring a 1/4-inch threaded cold shoe, it 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.

What’s in the box?

  • 1 x Transmitter
  • 1 x Receiver
  • 5 x Antenna
  • 1 x DC Adapter
  • 1 x User Manual
  • 1 x Warranty Card
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Product Specification

Dimensions Transmitter: 110 x 72 x 33.5mm, Receiver: 110 x 72 x 33.5mm
Frequency Band 5GHz
Included Accessories 5 x Antenna, DC Adapter
Input | Output Transmitter: HDMI Input (Type A Female), SDI Input, 2 x Antenna Interfaces (RP-SMA Male), DC Input, USB Type-C Receiver: HDMI Output (Type A Female), SDI Output, 2 x Antenna Interfaces (RP-SMA Male), DC Input, USB Type-C
Power Input Transmitter: DC Power Input: 6-16V, USB Type-C Power Supply: 5V/2A, Battery Power Supply: 6-16V DC Receiver: DC Power Input: 6-16V, USB Type-C Power Supply: 5V/2A, Battery Power Supply: 6-16V DC
Supported Video HDMI: 720p50/59.94/60, 1080i50/59.94/60, 1080p23.98/24/25/29.97/30, 1080p50/59.94/60 SDI: 1080p60/59.94/50(Level A), 1080p60/59.94/50(Level B), 1080i60/59.94/50, 1080p30/29.97/25/24/23.98, 1080psf24/23.98, 1080psf30/29.97/25, 720p60/59.94/50
Transmission 70ms Ultra-Low Latency 450ft (150m)
Weight Transmitter: 206g, Receiver: 206g
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Your flexible credit options available

Interest Bearing

with a choice of repayment plans over 24 or 36 months 13.9% APR (representative)

Buy now pay later

36 month loan with a six month deferral period, 18.9% APR (representative)

Interest Bearing Finance

This option comprises term loan with a choice of repayment plans over:

  • 24 months
  • 36 months

The balance of the finance agreement is payable directly to Novuna Consumer Finance in equal monthly instalments by monthly direct debit. The direct debit payments will commence at the end of the first month following receipt of your goods. The interest rate charged is 13.9% APR (representative). Late payment and early repayment penalties apply; full details of these will be provided in the loan agreement pack.

For customers based in the Channel Island, please call us to apply for finance

  24 Months  36 Months 
Cash price  £256.00  £256.00
Deposit £0.00 £0.00
Loan Amount £256.00 £256.00
Monthly Instalment 23 x £12.18 35 x £8.64
Final Instalment £12.18 £8.64
Total Amount Repayable £292.32 £311.04
Representative 13.9% APR 13.9% APR

Buy now pay later

The Buy Now Pay Later option comprises a 36 month loan following a six month deferral period.

During the six-month deferral period, it is possible to pay off the loan, either by way of a lump sum or in smaller amounts. If the loan is partially repaid within six months, the remaining interest will be adjusted to reflect the new balance. If the loan is fully repaid within the six-month deferral period, then no interest is payable, however, a £29 early settlement fee is payable in respect of repayments within these six months.

Following the six-month deferral period, Novuna Personal Finance will initiate a monthly direct debit payment for the remaining duration of the loan. Interest will be charged at a rate of 18.9% APR (representative) on outstanding balances (backdated to the first date of the loan). Novuna Personal Finance will send a reminder letter approximately one month before the six-month deferral period is due to elapse.

For customers based in the Channel Island, please call us to apply for finance

  Balance settled in full within the six month deferral period Balance NOT settled in full within the six month deferral period
Cash price £300 £300
Deposit £0 £0
Loan Amount £300 £300
Settlement fee £29 £0
Settlement payment £329 -
Monthly Instalment - 36 x £11.57
Total Amount Repayable £329 £416.52
Representative 18.9% APR 18.9% APR


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Product Code: 3211275-wex Manufacturers Part Number: 9802F-2