Hollyland Mars 400S Pro II Wireless Video Transmission System

The Hollyland Mars 400S Pro II Wireless Video Transmission System is a next-gen wireless video transmission system delivering ultra-low 70ms latency, a 450ft LOS range, and support for both SDI and HDMI interfaces. Ideal for filmmakers, live production teams, and broadcast applications, this versatile system supports up to two receivers or four app-based monitors simultaneously. Features include 12Mbps high-quality data rate, smart channel scanning, integrated cold shoe mounting, and whisper-quiet fan modes for flexible on-set use.

Hollyland Mars 400S Pro II Wireless Video Transmission System Features

- 70ms ultra-low latency for real-time monitoring
- 450ft (150m) line-of-sight transmission distance
- Supports SDI & HDMI input/output
- 12Mbps high-definition data rate
- Dual-receiver or app-based monitoring support (up to 4 devices)
- Smart channel scan for interference-free operation
- Adjustable fan speed: Auto / Low / Off
- Integrated cold shoe with ¼-inch thread for easy mounting
- Compatible with Hollyview App via 5GHz Wi-Fi
- Supports NP-F batteries, DC adapter, or USB-C (5V/2A only)

Hollyland Mars 400S Pro II Wireless Video Transmission System Specifications

- Transmission Range: Up to 150m (LOS)
- Latency: 70ms
- Video Input (TX): HDMI, SDI
- Video Output (RX): HDMI, SDI
- Resolution Support:
  - HDMI: 720p50/60, 1080i50/60, 1080p24/25/30/50/60
  - SDI: 1080p60/50 (Level A), 1080i60/50, 720p60/50, PsF formats
- App Monitoring: Up to 4 devices (iOS/Android)
- Cooling: 3 fan modes - Auto / Slow / Off
- Power Input: DC 6-16V / USB-C (5V/2A) / NP-F Battery
- Mounting: Cold Shoe with ¼-inch thread
- Antennas: External RP-SMA