Hollyland Cosmo C2 Overview

The Hollyland Cosmo C2 is crafted by experts with deep market insight, featuring a powerful 2TX & 1RX design for enhanced wireless efficiency. It offers an ultra-long line-of-sight (LOS) range of 3,000ft (1,000m) with an impressively low latency of just 33ms, ensuring smooth and real-time video transmission.

Advanced 2TX & 1RX System

With two transmitters and one receiver, Cosmo C2 simplifies multi-camera workflows by reducing device clutter and minimizing interference. This design enhances synchronization between video feeds, ensuring seamless broadcasting.

Extended Wireless Range

Cosmo C2 delivers an industry-leading LOS transmission range of up to 3,000ft (1,000m). Whether working in large venues, open environments, or complex structures, it guarantees strong and stable connectivity.

Ultra-Low Latency

Maintaining a super-low latency of just 33ms, Cosmo C2 ensures smooth, real-time video transmission even over extended distances. This makes it ideal for professional live broadcasting and filmmaking applications.

Seamless Frequency Hopping with HEVO 2.0

Utilizing self-developed HEVO 2.0 technology, Cosmo C2 automatically detects interference and switches to the clearest available channel. This guarantees uninterrupted transmission and an immersive viewing experience.

NDI Protocol for Streamlined Workflows

The receiver supports Network Device Interface (NDI), allowing video transmission over a single network cable. This reduces cable clutter and simplifies production setups, making it a valuable tool for live production environments.

UVC Streaming for Instant Connectivity

Cosmo C2 supports UVC streaming, enabling direct USB-C or USB-A connections to computers without requiring capture cards. This simplifies real-time video transmission for live streaming and virtual meetings.

RTMP Streaming Compatibility

With RTMP streaming support, Cosmo C2 ensures low-latency broadcasting to popular platforms such as YouTube and Twitch. This makes it an ideal choice for professional content creators and live event productions.

FPS Booster for Smoother Visuals

Equipped with an advanced frame rate compensation algorithm, Cosmo C2 converts lower frame rate inputs (24/25/30P) into high frame rate outputs (60P), ensuring smoother video playback.

Comprehensive Connectivity Options

The transmitter features HDMI Input, SDI Input, and SDI Loopout, while the receiver includes HDMI Output A, SDI Output A, HDMI Output B, and SDI Output B. This comprehensive port selection supports various professional setups.

Fractional Frame Rate Transmission

Cosmo C2 supports both HDMI and SDI fractional frame rate input and output, offering greater flexibility for diverse shooting environments and production requirements.

Versatile Power Options

Designed for uninterrupted operation, the Cosmo C2 transmitter supports both DC (locking) and NP-F batteries, while the receiver is compatible with DC (locking) and V-Mount batteries.

Frozen Frame Feature

To maintain a professional broadcast appearance, Cosmo C2 freezes the last transmitted video frame in case of signal interruption, preventing any unintended black screens or default manufacturer logos. Users can also customize this freeze frame using a USB flash drive.