AJA HA5-4K HDMI to 4-Wire SDI Converter
Best professional converter for integrating HDMI sources into 4K SDI workflows.
Bridge modern HDMI sources to professional 4K SDI workflows with the AJA HA5-4K Mini-Converter. This device expertly converts 4K HDMI signals up to 60 fps to four 3G-SDI outputs, supporting various color sampling formats. It intelligently handles 4K/UltraHD mapping and analyzes incoming HDR Infoframe data. Configuration is simple via USB with AJA Mini-Config software. Manufactured in Grass Valley, California, it's a reliable solution for broadcast, production, and post-production environments.
$835.00
Owner Satisfaction
4.7
/ 5
Category Rank
14
/ 374
#14 in Scan Converters
Price vs Category Average
+14%
Above average
HDMI Version
2.0
Who it's for
- Broadcast professionals needing high-frame-rate 4K signal conversion
- Engineers integrating modern HDMI sources into legacy quad-link SDI workflows
- Field technicians requiring rugged, dependable hardware for mission-critical live events
Who should skip it
- Production teams looking to minimize cable clutter and setup time
- Independent creators operating on a limited prosumer equipment budget
- Mobile videographers needing streamlined, battery-powered field solutions
Performance breakdown
Signal Integrity
Maintains broadcast-grade stability for demanding 4K workflows.
Format Versatility
Handles diverse color sampling and HDR metadata with ease.
Workflow Integration
Seamlessly bridges consumer HDMI sources into professional SDI environments.
Configuration Ease
Mini-Config software makes setup straightforward for busy production teams.
Build Reliability
Rugged construction ensures consistent performance in high-pressure studio settings.
Frame Rate Precision
Supports smooth 60 fps conversion for fluid motion capture.
Key Specs
HDMI Version
2.0
Number of Outputs
4 (3G-SDI)
Power Requirement
5-20VDC
Dimensions
8 × 6 × 4 in
Weight
3 lbs
Color Space Support
4:4:4, 4:2:2, 4:2:0
Maximum Frame Rate
60 fps
Warranty
1 Year Limited Warranty
Features
- Converts 4K HDMI to four 3G-SDI outputs
- Supports HDMI 2.0 up to 60 fps
- Handles 4K/UltraHD SDI mapping
- Analyzes incoming HDR Infoframe data
- Embedded audio support included
- Configurable via USB and Mini-Config software
- Includes universal power supply
- Designed for professional broadcast and post-production
What customers say
Professionals highly value the AJA HA5-4K for its rock solid reliability, making it essential for live production and broadcast integration. Its core strength is flawlessly converting high frame rate 4K HDMI 2.0 signals into quad link 3G SDI, seamlessly bridging modern sources into established SDI workflows. Users consistently praise the rugged build quality, confirming AJA's reputation for durable hardware. While the unit runs warm under load, its mission critical performance and advanced conversion features justify the premium cost. This device is viewed as an indispensable, high performance tool trusted implicitly for demanding 4K infrastructure tasks.
Know before you buy
No, this device does not perform scaling. It is designed to convert the incoming HDMI signal directly to SDI, so ensure your source output matches the resolution and frame rate required for your workflow.
Yes, the HA5-4K supports embedded audio, passing it through from the HDMI input to the SDI outputs without needing additional cabling.
Configuration is handled through the AJA Mini-Config software. Simply connect the converter to your computer via USB to adjust settings and monitor the device status.
Yes, the converter is capable of analyzing incoming HDR Infoframe data, allowing you to maintain HDR metadata as you bridge your HDMI source into a professional SDI environment.
The HA5-4K outputs four 3G-SDI signals, which allows it to effectively bridge 4K/UltraHD HDMI sources into professional quad-link SDI workflows.
Yes, every HA5-4K comes with a universal power supply, making it ready for use in various international production environments right out of the box.
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$835