Hollyland Mars 4K Wireless Transmitter Receiver 5G SDI HDMI Video Transmission System, 4Kp30/1080p60, Support 23.98/29.97/59.94 FPS SDI Out, 450FT Los Range 66ms Latency, 4 App Monitoring (1TX+1RX)
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FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Tuesday, Nov 25
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Size: 1 TX + 1 RX
Features
- [4K UHD Video Transmission]. As Hollylands very first revolutionary 4K transmission system, Mars 4K supports video input/output formats up to 3840x2160@24/25/30fps resolution via HDMI port, and FHD/HD formats like 1080p/720p via HDMI/SDI. Adopting H264 encoding, it can achieve 8-20Mbps bit-rate under HD/Balance/Speed Scene Modes.
- [SDI&HDMI Interface, Support Decimal-point Rate]. Hollyland Mars 4K comes with HDMI and SDI options for various applications and compatibility. HDMI supports up to 3840*2160P/4K input output. The 3G-SDI port supports broadcast and production standards frame rate output (23.98/29.97/59.94 FPS) for professional equipment like video switchers. When decimal-point rate video input via SDI port, both HDMI and SDI support decimal-point rate output.
- [450FT Range & 66ms Latency]. Mars 4K can reach an incredible 450ft LOS range and 66ms ultra-low delay in an interference-free laboratory environment. Its metal shell, bullet-style antennas, protective interface design, joystick menu button, full-color LCD screen, and strong Electrostatic Discharge ESD protection bring you durable build quality, modern look, ergonomic design, and superior wireless performance.
- [Up to 4 APP Monitoring Options]. Mars 4K supports wireless transmission to RXs/iOS/Android phone/tablet devices. When using 1TX to 1RX, it allows 2 monitors via HDMI&SDI cable and 2 mobile devices APP monitoring. When using 1TX without RX, it allows 4 APP monitoring. You can also pair another Mars 4K RX to the system, and wire them to 4 monitors for the director/producer/sponsor to view the shooting on set.
- [Superior Design and Experience]. Features superior corrosion and abrasion resistance for top durability even in extreme temperatures. The no-removal bullet antenna design optimizes quick configuration and zero-encumber use. Color LCD screen and user-friendly joystick allow for quick setup and status checks. Supports multiple power options including 6-16V DC power, NP-F970/750/550 battery, 5V/2.5A USB Type-C power.[QC/PD protocol and 5V/2A charging are NOT supported]
Brand: HollyView
Connectivity Technology: HDMI IN / OUT, SDI IN / OUT
Controller Type: Hand Control, Push Button
Special Feature: 4K Video Transmission, HDMI & SDI IN / OUT, Support 23.98/29.97/59.94 FPS SDI Out
Compatible Devices: Mars M1 Enhanced, Monitor, Camcorder, Camera, SLR Camera , DSLR Camera
Total HDMI Ports: 2
Connector Type: HDMI IN / OUT, SDI IN / OUT
Video encoding: AVC
Color: Black
Product Dimensions: 4.53"D x 2.56"W x 1.26"H
Product Dimensions: 4.53 x 2.56 x 1.26 inches
Item Weight: 2.42 pounds
Item model number: Mars 4K
Batteries: Lithium Metal batteries required.
Is Discontinued By Manufacturer: No
Date First Available: September 8, 2022
Manufacturer: Hollyland
Language: English
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Nov 25
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 1 TX + 1 RX
I do Livestreaming and video production, brought this unit last week and I'm so thankful enough to have this in my hand for live stream wedding event that happen last week. Usually, my livestream is in line of sight for all my wireless transmitter and receiver, but last weekend we have to move from outdoor and indoor for the event. So, there were no room indoor to setup my system, we had to video switcher from outside close glass door, found out all my other transmitter couldn't get the video signal. I plug in the new 4k mars and it work perfectly fine without signal loss. from there I knew this was a keeper for my live video switcher. after get thing working. I have to move all my receiver to inside of the reception room for other camera to work. I use all kind of wireless video system and found this model is very fast when sync and pairing. The channel is very good it has the auto scan channel. I gave it 5 star Because it has a lot of improvement and quality to this model, 4k function for great cause I can now do cropping in my vmix switching during livestreaming. Wireless Signal and with New antenna are very stable for this price range compare to other video wireless company.
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Reviewed in the United States on November 30, 2022 by Leon
Size: 1 TX + 1 RX
Everything has worked fantastically! High Quality Item! A++++
Reviewed in the United States on July 5, 2025 by Amy E.
Size: 1 TX + 1 RX
I so far love this set. The ability to turn it on and it just syncs up in 20 seconds, never had an issue over the course of a week. The added ability to log onto the app and also use your phone as another monitor is great. The latency at least within a 30ft or less range is perfectly fine and I was able to pull focus with the monitor. The only issue I have noticed is that in flat colors in low light situations the image does break apart a little, likely due to the compression. But if this is a review stream to check focus, framing etc, I thought it was acceptable. And I really only noticed it while testing prior to the shoot, once onset I never noticed this, so in reality, it may be rare. It would be nice if the SDI input would also mirror out to the HDMI on the Transmitter, a minor grip given these are less than half the cost of something like the Teradek Bolt 500.
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Reviewed in the United States on November 20, 2022 by Doug Birling
Size: 1 TX + 1 RX
Haven't tested it extensively, but we fed in 4k footage from a Sony RX0 II and the RX to a 4k TV and it worked like a charm! Turned out exactly like how it looked directly plugged in! The range was hard to test because we are in a trailer, but we walked with the camera outside of the trailer for about 50 feet and before it started having connection issues. (mind you, this is through the trailer walls, through another trailer, and then by a bunch of Construction excavators and loaders. There is about a quarter to a half second delay, but this is fantastic for our purposes! I also don't think this has an internal battery, but we ran it off of a mobile power bank with USB C PD and had 0 issues! Overall, a fantastic product that works super easily!
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Reviewed in the United States on October 21, 2022 by Brocton N
Size: 1 TX + 1 RX
The media could not be loaded. I've been looking for a wireless system for a LONG time, and these finally came out and seemed nearly perfect. The latency is pretty low, the image quality is PHENOMENAL and the form factor is both compact and incredibly robust. These are going to last for a LONG time, and I just love having a crystal clear signal. They also mount to my rig VERY nicely. Now I might get the M1 Monitor to go with this since it connects natively! I'm loving this system!
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Reviewed in the United States on March 2, 2023 by Daniel
Size: 1 TX + 1 RX
I used this often and highly recommend them to filmmakers.
Reviewed in the United States on May 21, 2024 by EMGTECH
Size: 1 TX + 1 RX
I love the range, how the transmitter automatically connects with the receiver, and the image quality as well. Buy it.
Reviewed in the United States on August 15, 2025 by Abdi Yusuf.
Size: 1 TX + 1 RX
Espectacular equipo!!!
Reviewed in the United States on October 15, 2025 by mario