Hollyland Cosmo C2 Wireless Video Transmitter
Model: HL-Cosmo C2 TX
About: Hollyland Cosmo C2 Wireless Video Transmitter
Designed by experts with profound knowledge and market insight, Cosmo C2 features a powerful 2TX & 1RX design for enhanced wireless competence and boasts an ultra-long LOS range of 3,000ft (1,000m) and a super-low latency of just 33ms. Adopting the newly self-developed HEVO 2.0 technology, it supports seamless frequency hopping, thus ensuring a smooth and immersive experience. Combined with other powerful features and functions like NDI, UVC and RTMP streaming, this innovative kit will prove to be a great help for multi-camera livestreaming, broadcast, and more.
- 3,000 ft (1,000 m) LOS Range
- 33ms Low Latency
- 2Tx & 1Rx Solution
- Fractional Frame Rate
- HDMI & SDI Ports
- Seamless Frequency Hopping
- UVC & RTMP
- NDI HX3 Support
Simplifying Setup - 2TX & 1RX Solution
Cosmo C2 enables transmission between two transmitters and one receiver. This setup reduces the number of devices and cables needed, lessens wireless interference, and guarantees better synchronization of video feeds, all of which add to a more productive workflow.
More Range - 1,000m (3,000ft)
Cosmo C2 boasts an ultra-long line-of-sight (LOS) transmission range of up to 1,000m (3,000ft), making it ideal for professional use in large venues, open areas, and complex buildings.
33ms Less Latency
Cosmo C2 achieves a super-low latency of just 33ms and the latency remains the same over extended distances, thus ensuring smooth and reliable transmission.
Brand New HEVO 2.0
Following a comprehensive upgrade, HEVO 2.0 technology redefines the experience. With extended transmission range, lower latency, and support for dual transmitters and one receiver, Cosmo C2 aims to elevate your workflow.
- Compare with HEVO 1.0
- Up to 18% faster Llatency
- Up to 186% Greater Range wireless transmission capability
Intelligent Seamless Frequency Hopping
Powered by self-developed HEVO 2.0 technology, Cosmo C2 automatically detects surrounding frequency interference and seamlessly switches to a clean channel, which ensures uninterrupted transmission and an immersive experience.
Streamlined Live Streaming
- UVC - Cosmo C2 supports UVC streaming as well. With a USB-C to USB-C or USB-C to USB-A cable, you can directly connect the receiver to any computer without the need for capture cards, simplifying the real-time transmission of on-site video.
- RTMP - Cosmo C2 enables RTMP streaming, a streaming method widely used for its low latency and compatibility with a wide range of live streaming platforms, such as YouTube and Twitch.
NDI Protocol Support - Improve Your Workflow
The receiver of Cosmo C2 supports Network Device Interface (NDI) protocol, allowing video streams to be transmitted over a single network cable. This eliminates the complexity and clutter of connections and creates a cleaner production space.
Smoother FPS Booster
Through brand-new frame rate compensation algorithm, the RX can convert low frame rate inputs such as 24/25/30P to a high frame rate output at 60P, making the visuals smoother.
Comprehensive Ports for Seamless Connectivity
- Receiver
- 2x HDMI OUT
- 2x 3G-SDI OUT
- USB-C
- RJ-45 Port
- DC Power Input
- Transmitter
- USB-C
- HDMI IN
- 3G-SDI IN
- 3G-SDI LoopOut
- DC Power Input
- Flexible
Flexible Fractional Frame Rate
Cosmo C2 can transmit HDMI/SDI fractional frame rate input and output, catering to your flexible needs while shooting.
Unfailing Power - Versatile Power Options
The Cosmo C2 transmitter supports DC (locking) and NP-F batteries while the receiver supports DC (locking) and V-Mount batteries, ensuring your production keeps going at all times.
Customizable Frozen Frame
When transmission is interrupted, Cosmo C2 freezes the last frame of the video feed, preventing the display of the manufacturer’s logo. You can also customize the logo image as you please with a USB flash drive.
Specifications
| Port | DC Input: 2.0mm Core Socket HDMI Input: HDMI 1.4b SDI Input: 3G SDI SDI Loopout: 3G SDI USB-C: USB 2.0 OTG Antenna: SMA Male |
|---|---|
| Power Supply | NP-F Battery Voltage Range: 6.8 – 8.4V DC Voltage Range: 6 – 16V |
| Power Consumption | < 10W |
| Operating Frequency | 5.15 – 5.85 GHz |
| Transmit Power | < 23 dBm |
| Receiver Sensitivity | / |
| Latency | ≥ 33ms |
| Bandwidth | 40 MHz |
| Input/Output Format | HDMI/SDI Input SDI Loopout 720p/59.94/60 1080i50/59.94/60 1080p23.98/25/29.97/30 1080p50/59.94/60 |
| Dimensions (LxWxH) |
4.5 x 2.7 x 1.4 inch (114.8 x 69 x 35.5mm) |
| Weight | 210g |
What's in the Box
- 1x Cosmo C2 Wireless Video Transmitter
- 2x Blade Antenna
- 1x USB-C OTG Adapter
- 1x Warranty Card
- 1x User Manual
- 1x Packing List Card
UPC: 191460007439
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Warranty: Hollyland Cosmo C2 Wireless Video Transmitter
AVShop.ca Warranty:
30 Days
Manufacturer's Warranty:
Limited 1-Year Warranty
Manufacturer's Warranty will cover parts, labour and return shipping back to you once repaired. Shipping into the service centre is not covered
For Quebec Residents - Disclosure under the Consumer Protection Act
In compliance with Bill 29, AVShop.ca and Hollyland do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Any applicable manufacturer warranties will remain in place.


























