Gefen
Gefen 1:4 3GSDI Splitter Distribution Amplifier
Best professional solution for distributing high-definition video to multiple displays.
The Gefen 1:4 3G-SDI Distribution Amplifier is engineered to flawlessly split a single SDI, HD-SDI, or 3G-SDI video source to four simultaneous outputs without signal degradation. It ensures crisp, highly defined visuals across NTSC and PAL formats, supporting resolutions up to 1080p Full HD. Setup is simple: connect your source to the input and your displays to the outputs. This unit instantly distributes pristine video quality while streamlining wiring. A key benefit is its backward compatibility with all legacy Gefen SDI equipment and signal types, making integration straightforward.
$599.00
Owner Satisfaction
4.6
/ 5
Category Rank
68
/ 353
#68 in Audio & Video Splitters & Switches
Price vs Category Average
-72%
Below average
Height
1.1.2.8.
/ in ( cm)
Who it's for
- Broadcast engineers managing long cable runs
- Production crews needing simultaneous multi-monitor feeds
- System integrators working with mixed legacy and modern hardware
Who should skip it
- Videographers transitioning to 4K or 6G/12G workflows
- Field technicians requiring portable, bus-powered equipment
- Budget-conscious buyers needing simple, non-amplified signal splitting
Performance breakdown
Signal Integrity
Maintains pristine, lossless video quality across all four simultaneous outputs.
Format Versatility
Seamlessly handles NTSC, PAL, and high-definition standards up to 1080p.
Integration Ease
Backward compatibility ensures a painless setup with existing legacy SDI gear.
Build Compactness
Low-profile design fits easily into crowded racks or tight desktop spaces.
Data Throughput
Robust 3.0 Gbps support handles demanding 3G-SDI signals without breaking a sweat.
Operational Reliability
Consistent performance ensures zero signal degradation during long-term professional use.
Key Specs
Height
1.1 in. (2.8 cm.)
Width
7.5 in. (19.1 cm.)
Depth
3.5 in. (8.9 cm.)
Shipping Weight
4 lbs. (1.8 kg.)
Power Input
5V DC
Power Consumption
10 watts (max)
Input/Output Standards
SDI - SMPTE 259M-C (270Mbps); HD-SDI - SMPTE 292M (1.485, 1.485/1.001 Gbps); HD-SDI-SMPTE 424M/425M (2.97/3.0 Gbps)
Support
NTSC, PAL & all HD formats to 1080p
Features
- Distributes one 3G-SDI source to four devices
- Maintains signal quality across all outputs
- Supports resolutions up to 1080p Full HD
- Instantly distributes video signals
- Streamlines complex wiring setups
- Backward compatible with legacy SDI equipment
- Generates crisp visuals in NTSC or PAL
What customers say
Professionals highly value this distribution amplifier for its exceptional reliability and robust build quality. Users consistently report flawless performance splitting a single 3GSDI input into four identical, reclocked outputs. The durable metal chassis ensures longevity in demanding broadcast and live event environments. Its core strength lies in maintaining perfect signal integrity across all formats without introducing artifacts, even over long cable runs. This dependable, set it and forget it stability makes it an essential workhorse. While the initial cost is premium, experienced users agree the peace of mind provided during critical productions fully justifies the investment. It delivers exactly the expected professional grade performance.
Know before you buy
Yes, the Gefen 1:4 3G-SDI Distribution Amplifier supports both NTSC and PAL formats, ensuring compatibility regardless of your regional video standard.
No, the unit is designed to maintain signal integrity across all four outputs, ensuring your video remains crisp and clear without degradation.
Yes, it is fully backward compatible with legacy Gefen SDI equipment and older signal types, making it easy to integrate into your existing setup.
This unit supports resolutions up to 1080p Full HD, covering all standard HD formats.
The device uses standard coaxial connectors for its SDI inputs and outputs, which is the industry standard for these types of connections.
This model is designed for desktop use, featuring a compact footprint of 7.5 inches wide by 3.5 inches deep, allowing it to sit easily on a desk or equipment rack shelf.
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$599