Best Generic Converters in 2026

📷【Transverse Sleek Industrial Design & Low-Power Mode】- Mars 400s PRO with the new design, the system is with a lower gravity center, which means it takes less space on setup. Plus the integrated cold shoe on both the transmitter and the receiver, the system provides a much more stable and convenient installation; Without operation for 5s, the OLED screen automatically enters the low-power mode and reduces the brightness to save battery power.

📷【0.08s, 400ft & Multiple Platforms Monitoring】-The new 400S PRO has 400ft line of sight (LOS) wireless video and audio transmission with 0.08S lowest achievable latency; Hollyland Mars 400S PRO transmitter supports 2 receivers. For the number of RX and App, it follows this pattern: 2 RXs - 0 App, 1 RX - 2 Apps, 0 RX - 4 App.

📷【Direct Monitoring Video Feed For Live Streaming】-Another new feature of Mars 400S PRO is the direct live stream data feature. Now, with the 400S PRO, video feed straight out of RX will be used for live streaming on OBS, vMix, or VLC on our personal computer without further encryption and decryption via a video capture device.

🎬[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.

🎬[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.

🎬 [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.

[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.

[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.

[Differences from MARS 400S] Differences from MARS 400S are reflected in the shell design, the integrated cold shoe at the bottom, and the direct video feed for live streaming. Hollyland MARS 400S PRO also supports 5-12V / 2A. Additional Type-C charging to L-series batteries, MARS 400S 6-16 VDC power supply.

[SDI & HDMI & OLED Display] MARS400S PRO supports both SDI and HDMI, including SDI IN for transmitter and HDMI OUT for receiver. It supports OLED display and battery voltage display. The ratio of high-definition monitoring quality of data has increased from 8 million basis points to 12 million basis points.

[Direct Video for Live Stream] Connect the receiver to your computer using a video capture card, you can use the video feed from RX for live streaming on OBS, vMix, and VLC on your computer.

【4K UHD Video Transmission】The revolutionary Hollyland Mars 4K wireless video transmitter and receiver kit. As Hollyland’s very first 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 12-20Mbps bitrate under HD/Balance/Speed Scene Modes.

【HDMI 4K, SDI Decimal-point IN&OUT】Hollyland Mars 4K comes with HDMI and SDI options for various applications and compatibility. 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. HDMI supports up to 2160p/4K input output. Cross conversion is supported from TX to RX, so HDMI and SDI can output at the same time.

【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.

【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.

【ULTRA LOW LATENCY-40MS 】As long as the viewing distance is within 350/1000ft meters, 1080P high-definition picture quality can be sure, with Ultra-low latency Image transmission, and the focus follower can accurately follow the focus through the monitor, which promotes efficient teamwork

【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.