Hollyland Mars 400S PRO II SDI/HDMI wireless video receiver

Receive wireless video up to 1080p60 from your gimbal, mirrorless, or DSLR camera rig using the lightweight Hollyland Mars 400S PRO II SDI/HDMI wireless video receiver. This receiver offers dual HDMI and SDI outputs for your monitoring and features an ultra-low latency of 70ms and a high data rate of 12Mbps with a line of sight of up to 150 meters. For a strong line-of-sight signal, the receiver comes with two external antennas. The Mars 400S PRO II transmitter can transmit video to up to two receivers simultaneously.

Greater range, lower latency

The Mars 400S Pro II is a powerful video receiver with a wireless range of up to 150 meters and low latency of only 70 ms. Equipped with SDI and HDMI outputs, the Mars 400S Pro II supports multi-receiver setups and enables monitoring via the HollyView app.

Clear image with high data rate

The system supports a high data rate of 12 Mbps, enabling high-definition video transmission and delivering clear, refined picture quality with rich details.

Ultra-low latency

The Mars 400S Pro II raises the bar with an ultra-low latency of just 70ms. This ensures high-definition image quality and an immersive experience with low latency. It's also compatible with the Mars 400S Pro, allowing them to be paired and used together.

SDI and HDMI

Equipped with both SDI and HDMI outputs, the Mars 400S Pro II receiver offers enhanced device compatibility and convenient connections for a variety of equipment. Whether it's a DSLR or professional cinema camera, a switcher, an app, or a display, the Mars 400S Pro II meets all your connectivity needs.

Smart channel scan

Upon startup, the Mars 400S Pro II automatically selects the best frequency channels. Manual channel scanning can be performed using the receiver or the HollyView app, which provides a visual display of signal interference levels at each frequency. The app allows you to install optional channel scanning firmware, making it easy to find the strongest transmission signals.

Monitor up to 4 devices

The Mars 400S Pro II offers flexible solutions for all your monitoring needs, including team collaboration, multi-crew monitoring, and multi-person collaboration. Using the Hollyview app for iOS or Android, you can monitor your video transmission in real time over Wi-Fi and livestream directly from the receiver to your computer using a USB-C adapter. The transmitter can simultaneously transmit to up to one receiver and two apps, or to a total of four apps without the receiver.

Flexible fan control

Each Mars 400S Pro II unit is equipped with a three-speed fan control (Auto, Low Speed, Off). Thanks to its intelligent cooling design, the device performs optimally in various usage scenarios by lowering the device's temperature and ensuring stable signal transmission.

Integrated cold shoe

An integrated hot shoe adapter with a 1/4"-20 screw simplifies installation. Simply attach the Mars 400S Pro II's hot shoe adapter to a cold shoe slot on your camera or cage without any cumbersome extra installation steps.