Hollyland|SKU: HL-MARS400SPRO2

Hollyland Mars 400S PRO II SDI and HDMI Wireless Video Transmission System with Smart Channel Scan

$299.00 $599.00
Ships in 3-5 Days

Hurry! Order now to get it before December 25th.

Product highlights

  • 70ms ultra-low latency, 450 feet transmission range
  • SDI plus HDMI dual interfaces, 4 app monitoring
  • Up to 1080p, 12mbps data rate, 3 scene modes
  • Smart channel scan, direct live streaming
  • Multiple power supply and diverse fan control modes
  • Sturdy and durable zinc alloy shell
  • Colorful indicator logos, integrated cold shoe

In the box

  • Hollyland Mars 400S PRO II SDI and HDMI Wireless Video Transmission System with Smart Channel Scan
  • Transmitter
  • Receiver 
  • 5 x Antenna
  • DC Adapter 
  • User Manual 
  • Warranty Card
  • Limited 1-Year Warranty

Free standard shipping

*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

Free Local Pickup

Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Questions? We’re Here to Help

Call or email one of our experts.

Hollyland 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, the Hollyland Mars 400S PRO II SDI and HDMI Wireless Video Transmission System is equipped with SDI plus 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

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 percent 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 plus 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 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.

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 (Off, Low Speed, Auto). Its intelligent cooling design allows it to perform optimally in various usage scenarios by reducing device temperature and ensuring stable signal transmission.

Shipping & Returns

  • Same Day Shipping


    All orders placed by 1PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

  • Free Standard Shipping


    We offer free standard shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).



  • Easy returns


    If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.


Frequently Asked Questions

How do I return an item?

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.

Will I receive a full refund when I return an item?

You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.

How many days do I have to make a return?

You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 

My item was damaged in transit. How do I place a return?

If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage. 

There’s an issue with my order, what should I do?

Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.

Can I exchange an item?

We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.

If I ordered a kit, do I have to return all the items?

If you ordered a kit, you must return all components and accessories to receive a full refund.

I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?

If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.

Do you offer repairs?

We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.

What is your return policy?

Most items can be returned within 30 days for a full refund. Click here to read our full return policy.