Hollyland MARS 400S PRO SDI/HDMI Wireless Video Transmission System
SKU: 41152151212

Hollyland MARS 400S PRO SDI/HDMI Wireless Video Transmission System

Sale price$314.50 Regular price$349.45
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Hollyland MARS 400S PRO SDI/HDMI Wireless Video Transmission SystemAdd up to 1080p60 wireless video transmission to your gimbal, mirrorless, or DSLR camera rig using the lightweight Mars 400S PRO SDI HDMI Wireless Video Transmission System from Hollyland. The transmitter provides HDMI and SDI inputs and the receiver offers SDI and HDMI outputs. It features extremely low 0. 1s latency with line of sight transmission up to 400' to the receiver and up to 300' to the Hollyview Wi Fi app. For a strong line of sight

Add up to 1080p60 wireless video transmission to your gimbal, mirrorless, or DSLR camera rig using the lightweight Mars 400S PRO SDI/HDMI Wireless Video Transmission System from Hollyland. The transmitter provides HDMI and SDI inputs and the receiver offers SDI and HDMI outputs. It features extremely low 0.1s latency with line-of-sight transmission up to 400' to the receiver and up to 300' to the Hollyview Wi-Fi app. For a strong line-of-sight signal, the system includes two external antennas on the transmitter and two on the receiver, and one is included as a spare.

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 Type-C adapter. The app also allows you to install optional channel scanning firmware enabling you to easily find the strongest transmission signals. The transmitter can simultaneously transmit to up to one receiver and two apps, or to a total of four apps without the receiver. The redesigned body makes it a low-profile choice for your rig, and it features multiple fan modes to keep it cool or quiet when you are shooting.

The 400S PRO transmitter and receiver are compact in size, feature a bright OLED display for configuration, and an integrated shoe adapter with a 1/4"-20 mounting thread for different mounting options. Each unit can be powered using a USB Type-C source, the included locking DC power adapter, or by using a separately available L-series type battery using the integrated battery plate.

Features
  • Transmits up to 1080p60 SDI or HDMI video
  • 400' line-of-sight transmission to receiver, 300' to App
  • Bright OLED display
  • Real-time app monitoring and live streaming via the HollyView app
  • Simultaneously transmit to one receiver and two apps, or to four apps
  • HDMI and SDI inputs on transmitter and HDMI and SDI outputs on receiver
  • Two antennas on transmitter and two antennas on receiver
  • Power via L-series battery, DC adapter, or USB Type-C input
  • Integrated shoe adapter with 1/4"-20 mounting thread
  • Install optional channel scan firmware via the HollyView app to find the strongest signal

Specifications

Display
Embedded Audio HDMI/SDI
Wireless
Wireless Range 400' / 121.92 m (Line-of-Sight)
300' / 91.4 m (Line-of-Sight)
Channel Bandwidth 20 MHz
Frequency Range US: 5 GHz
Latency 0.1 sec
RF Power < 21 dBm
RF Sensitivity -80 dBm
Packaging Info
Package Weight 1.9 lb
Box Dimensions (LxWxH) 7.2 x 6 x 3"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 41152151212

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4.5 ★★★★★
Based on 142 reviews
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L
Verified Purchase
L. Ramsey
Grantham, US
★★★★★ 3
I thought these are Cute My dogs didn't think so
These are cute and would work well for medium and larger dogs.  Not dogs under 25lbs.  The toys are to big for their little mouths and they can't get a hold of them to play with them.  
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 11, 2025
D
Verified Purchase
Darcie
Whiting, US
★★★★★ 5
Fun little ball!
Fun little ball! Glad I got the football version the regular ball would be a choking hazard for my Great Dane. The ball rolls and shakes on the floor which at first was scary, but now she loves it! She nudges it all over the floor to keep it moving, keeping her entertained for a bit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
R
Verified Purchase
Rodolfo Israel Barranco Rivera
Dallas, US
★★★★★ 1
Won't hold charge
Unfortunately the toy would not hold charge. I charged it for couple hours and it wouldn't turn on. I tired a different charger to be safe and still nothing. Was hoping to share this exciting toy with my pup, guess I'll keep looking for alternative.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 20, 2025
A
Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
Luxury Dog, Luxury Toy”
“ I previously tried another toy, but its outer layer peeled off easily and even caused issues .This ball, however, is different. Even though my little dog chews on it, the ball recovers easily and causes no damage. It even gives a gentle workout for my pup’s gums and teeth. Maybe because my dog is small, it seems to restore well and is a perfect fit! At first, I saw this advertised mostly for larger dogs. However, even though my pup is really small, they have no trouble playing with it and enjoy it just as much!
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Reviewed in the United States on May 4, 2026
M
Verified Purchase
Maryjcm1
Belleville, US
★★★★★ 3
Dog loves it; but some poor construction
My small dog instantly loved this toy! I like the squeaker, bounciness, and options for different kinds of movement in the interactive play. It also recharges fast. However, I have two downsides: While my dog isn’t a big chewer, he got through this in a couple weeks. So we are on our second shell. That’s a nice option to be able to order just the shell. Second, both shells have the same issue: they won’t stay screwed shut. The second shell is worse at this than the first. Once unscrewed, the interactive/mechanism piece will fall out and chocks be a choking hazard. It also frustrates my dog and he just barks at it until I fix it. With the new shell I think I had to fix it 5 times in the first 10 minutes of play. Overall, it’s a fun toy and we’ll keep playing on!
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Reviewed in the United States on September 24, 2025

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