Hollyland Cosmo C2 (2TX+1RX, Wireless Video Transmission System)
Hollyland Cosmo C2 (2TX + 1RX) – Dual-Camera 1080p60 Wireless Video System with Ultra-Low Latency
The Cosmo C2 streamlines multi-camera production by delivering high-quality 1080p60 video from two transmitters to one receiver with under 33 ms latency. Whether you're livestreaming or shooting on set, it keeps your feeds in sync, reduces cable clutter, and supports HDMI/SDI I/O, streaming protocols, and flexible power options for smart, efficient workflows.
Key Features
- Two transmitters to one receiver: Capture two camera angles without extra receivers, simplifying setup and reducing interference.
- Ultra-long range & fast response: Operates up to 1 000 m (3 000 ft) line-of-sight with 33 ms latency—consistent even at distance.
- HEVO 2.0 frequency-hopping: Self-adjusting transmission keeps signal clean and stable in crowded RF environments.
- Multi-format streaming: Supports NDI|HX, UVC plug-and-play streaming, and RTMP for live video output and flexibility across platforms.
- Robust port options: TX units include HDMI/SDI input and SDI loop-out; RX includes dual HDMI/SDI outputs, and Ethernet for NDI streaming.
- Frame rate conversion: Receiver ups low-frame-rate signals (like 24p/25p) to smooth 60p output, ideal for seamless playback.
Customer Benefits
The Cosmo C2 allows creators to record dual-camera setups wirelessly with clarity and confidence. It’s perfect for mobile news, sports, livestreams, or event capture—minimizing gear and maximizing output quality. Add streaming support for direct broadcasting, plus long-range reach for complex or remote environments.
Quick Specs
- Transmission range: Up to 1 000 m (3 000 ft) LOS
- Latency: approximately 33 ms
- Video formats: 1080p up to 60, 1080i, and 720p over HDMI/SDI input/output
- Ports (TX): HDMI IN, SDI IN, SDI loop-out
- Ports (RX): 2× HDMI OUT, 2× SDI OUT, Ethernet, USB-C (for UVC/streaming)
- Streaming support: NDI|HX, UVC, RTMP
- Power options: DC, NP-F battery (TX), V-Mount battery (RX)
- Frame rate compensation: Converts lower frame rates to smooth 60p
- Power draw: ~10 W (TX), ~11 W (RX)
What’s in the Box
- 2 × Cosmo C2 Transmitters
- 1 × Cosmo C2 Receiver
- Antennas for all units
- USB-A to USB-C adapter cable
- 12 V/2 A DC power adapter
- Portable hard case
- User manual and one-year warranty documentation
Use Cases / Ideal For
Perfect for dual-camera productions, on-site live events, broadcast workflows, ENG teams, mobile livestreams, and content creators seeking flexible, high-quality wireless video transport.
Compatibility
Built for the 5 GHz band via HEVO 2.0 tech. Works with standard HDMI or SDI camera output and connects to modern video workflows via HDMI/SDI or NDI/UVC/RTMP streaming. Powered via NP-F or V-Mount batteries or standard DC adapters.
Pros & Cons
✅ Pros:
- Dual-camera input for efficient multi-angle setups
- Long-range, low-latency wireless with dynamic interference handling
- Multiple streaming formats for live content distribution
⚠️ Cons:
- Kit is somewhat large and better suited for cinema or field setups
- 5 GHz regulations vary by region—check local compliance
The Hollyland Cosmo C2 brings advanced wireless video to dual-camera setups with unmatched ease and reliability—feel the freedom to roam, stream, and shoot with clarity and control.
