Kramer 691 4K60 HDMI Fiber Optic Transmitter
The Kramer 691 is a professional-grade HDBaseT 2.0 fiber transmitter engineered for ultra-long-distance 4K video distribution in demanding AV installations. Extend 4K60Hz HDMI signals up to 33 km over single-mode fiber without signal degradation, making it ideal for broadcast facilities, corporate campuses, stadiums, and large-scale venue installations requiring reliable, high-quality signal transmission across extended distances.
Perfect for system integrators and AV professionals who need to overcome distance limitations while maintaining pristine 4K60 4:2:0 video quality, this fiber optic transmitter combines HDBaseT technology with multi-mode and single-mode fiber compatibility for maximum deployment flexibility.
Key Features
- Extends 4K60Hz HDMI signals up to 33 km over single-mode fiber
- Supports 4:2:0 chroma subsampling for optimal bandwidth efficiency
- Multi-mode and single-mode fiber operation for flexible installation
- Integrated USB, Ethernet, RS-232, and IR signal transmission
- Stereo audio embedding and pass-through capabilities
- HDBaseT 2.0 protocol for professional-grade reliability
- Compact transmitter design for easy rack integration
- Long-distance AV signal distribution without repeaters
Technical Specifications
| Specification |
Details |
| Manufacturer |
KRAMER ELECTRONICS |
| Part Number |
50-80370090 |
| Product Type |
HDBaseT 2.0 Fiber Optic Transmitter |
| Video Resolution |
4K60Hz (4:2:0) |
| Maximum Fiber Distance (SM) |
33 km |
| Fiber Modes Supported |
Multi-mode and Single-mode |
| Input Signals |
HDMI, USB, Ethernet, RS-232, IR, Stereo Audio |
| Signal Distribution |
Professional long-distance AV extension |
| Protocol |
HDBaseT 2.0 |
Frequently Asked Questions
What is the maximum distance for 4K60 HDMI transmission with the Kramer 691?
The Kramer 691 extends 4K60Hz HDMI signals up to 33 km over single-mode fiber, making it suitable for large-scale professional installations requiring ultra-long-distance video distribution without signal loss.
Does the Kramer 691 support both multi-mode and single-mode fiber?
Yes, this fiber optic transmitter supports both multi-mode and single-mode fiber operation, providing flexibility for different installation requirements and distance needs in professional AV environments.
What additional signals can be transmitted alongside HDMI with this HDBaseT transmitter?
Beyond 4K HDMI video, the Kramer 691 transmits USB, Ethernet, RS-232 control signals, IR remote commands, and stereo audio, enabling comprehensive AV and control signal distribution over a single fiber connection.
Is the Kramer 691 suitable for broadcast and stadium installations?
Absolutely. The HDBaseT 2.0 fiber transmitter is purpose-built for professional broadcast facilities, corporate campuses, stadiums, and large venues requiring reliable, long-distance 4K video extension with integrated control and audio capabilities.
