Hollyland Mars 400s Pro Comparison - April 2026
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you9.8
1HollyViewHollyland Cosmo C1 [Official] 1000ft Wireless HDMI/SDI Video Transmission System 40ms 1080P 12-20Mbps 5G Image&Audio Transmitter Receiver, Embedded UVC Live Stream Seamless Channel Switch SDI-Loopout
Why we love it
Wireless Video Transmission.
Unnoticeable Channel Switching.
Wide Device Compatibility.
Main highlights- [Wireless Video Transmission Revolution] - COSMO C1 is equipped with Hollyland’s HEVO technology with Adaptive Frequency Hopping (AFH), Seamless Retransmitting and Simplified UVC Streaming, bringing you boosted signal strength and superior Anti-Interference performance. Fast, stable and smart video transmission in 5GHz frequency.
- [Wide Range Device Compatibility] - Embedded with HEVO’s USB Video Capture (UVC) technology, it takes just one USB-C cable to push 1080P60 HD video to your computer for direct live streaming. COSMO C1 supports HDMI/SDI input, HDMI+SDI+UVC Output on RX, and SDI LOOPOUT on TX. It can work with any mainstream camera, monitor, and switcher.
- [Warm Notice] - COSMO C1 supports 1 TX to 1 RX. TX supports HDMI or SDI video input from 1 camera. C1 has 8 frequency channels and supports up to 4 sets working at the same place. Under AUTO channel scan mode, it will switch channels automatically when there is interference. TX’s loopout function only works when input is from SDI port, not HDMI.
- [Vertical & Horizontal Mounting] - COSMO C1 comes with 1 Peasecod Pan-tilt with Cold Shoe and 1 extra Cold Shoe for you to mount freely. 2 mounting holes at the front panel allows installing the unit horizontally, ideal for evening out the weight to balance the setup on camera and stabilizer, while the 1/4"-20 threaded hole can mount the unit on any tripods.
- [Unnoticeable Channel Switching] - HEVO completes each synchronous frequency hopping in 0.001s with only 40ms ultra-low latency and up to 1,000ft line of sight (LOS) range. Whether in manual or auto-switching mode, your Electronic Field Production monitoring will no longer suffer from screen flickering or black screens in complex wireless environments.
- [3 Power Supply Options] - As usual, COSMO C1 guarantees that you have nonstop power supply for different shooting scenarios. DC power supply is more suitable for indoor project, while L-series battery [NPF970/NPF750/NPF550] and USB-C port are perfect for your run and gun missions. Power indicator on screen and LED light in red reminds you 20 minutes in advance of a dying battery.
9.7
2HollyViewHollyland 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)
Why we love it
4K UHD video transmission
HDMI and SDI options
450ft range
Main highlights- [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]
- [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.
- [4K UHD Video Transmission]. As Hollyland’s 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.
- [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.
9.6
3HollyViewHollyland Pyro S Wireless Video Transmitter and Receiver HDMI SDI 4K30/1080p60 1300ft Los Range 50ms Latency Up to 4 Receiver, Auto Dual-Band Hopping (ADH), Smart Channel Scan, Live Stream (1TX+1RX)
Main highlights- [Multi-Receiver Connectivity & APP Monitoring Tools] - Pyro S sets a new standard in video transmission by supporting one transmitter's connection to up to four receivers simultaneously. Enhanced by a comprehensive APP monitoring solution, users can access an array of sophisticated tools such as waveform, vectorscope, zebra patterning, aspect markers, anamorphic de-squeeze, and crosshatch directly on their devices.
- [Hollyland's Pyro Series: Performance Revolution ] - Unlike the Mars series, the Pyro series offers cross-compatibility among devices, supporting more receivers for extensive monitoring. Hollyland enhances key features: longer range, lower latency, superior video quality, and stable signal. Pyro series is the perfect solution for multi-user monitoring in dynamic shooting scenarios, such as film production, live streaming, ENG/EFP applications, and more.
- [Extended Range & Ultra-Low Latency] - Pyro S ensures that you capture every moment with clarity and precision, thanks to its advanced capabilities to transmit video seamlessly up to 1,300ft (400m) with an incredibly low latency of just 50ms. Ideal for live events and complex film shoots, Pyro S provides the reliability and performance needed to deliver high-quality content, even over extended distances.
- [Effortless Live Streaming with UVC & RTMP] - Pyro S simplifies live streaming by harnessing UVC (USB Video Class) for plug-and-play compatibility with computers—no capture cards or complex software needed. Plus, it's equipped with RTMP streaming capability; simply connect to your network via a wireless card, and you're ready to broadcast directly to platforms like YouTube Live, TikTok Live, and more.
- [Comprehensive HDMI & SDI Integration] - Pyro S features robust HDMI and SDI ports, supporting a diverse range of video input/output formats for maximum compatibility with industry-standard equipment. With resolutions up to 4K30fps via HDMI and versatile frame rate handling through SDI (23.98/29.97/59.94 FPS), this device ensures your productions are equipped for top-tier visual fidelity and flexibility.
- [4K Video &Auto Dual-Band Hopping] - Pyro S elevates your production with stunning 4K/30fps resolution , ensuring crisp, clear visuals for high-impact content. Complemented by Auto Dual-Band Hopping(ADH) technology, it automatically switches between 2.4GHz and 5GHz frequencies to maintain the best possible signal free from interference.
Our ranking system
At bestchoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.












