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Product Features
Technical Overview
The ST122HDMI2 operates as a 1x2 HDMI splitter with built-in EDID emulation, which automatically communicates display capabilities such as resolution and refresh rate between the video source and connected monitors. This feature prevents compatibility issues and ensures optimal picture quality without manual configuration. The device supports HDMI audio embedded within the signal, as well as an optional 3.5mm stereo audio connection for flexible audio routing in systems where separate audio channels are preferred.
Power is supplied via a universal AC adapter compatible with North American, European, UK, and Australian outlets, providing broad international deployment flexibility. The splitter's steel construction not only enhances physical robustness but also aids in heat dissipation during continuous operation. With a compact footprint measuring 7.10" x 3.10" x 0.80" and weighing 13.40 ounces, it fits discreetly in rack setups, behind displays, or on desktop installations without occupying excessive space.
Key Product Advantages
This HDMI splitter combines professional-grade performance with IT-focused durability, offering distinct advantages for business and institutional deployments. Its rugged steel enclosure protects internal components from physical impacts and electromagnetic interference, ensuring reliable operation in demanding environments. The integrated signal amplifier extends HDMI reach up to 49 feet without requiring external boosters, simplifying cable management and reducing total cost of ownership.
EDID Management
Automatically handles Extended Display Identification Data to maintain native resolution and refresh rates across displays, eliminating manual adjustments and compatibility errors.
- Prevents blank screens
- Optimizes display settings
- Reduces support calls
Audio Flexibility
Supports simultaneous HDMI-embedded audio and 3.5mm stereo connections, allowing integration with existing audio systems or standalone speakers without additional converters.
- Dual audio pathways
- No signal loss
- Broad compatibility
Professional Support
Backed by a 2-year warranty and free lifetime 24/5 multi-lingual technical assistance, providing IT teams with reliable support for troubleshooting and deployment guidance.
- Long-term reliability
- Expert assistance
- Global coverage
Deployment / Use Cases
The ST122HDMI2 is engineered for scenarios where consistent video and audio distribution to multiple displays is critical. In corporate boardrooms and training centers, it enables presenters to share content on primary and secondary screens simultaneously, enhancing audience engagement and visibility. For digital signage networks in retail stores, airports, or hospitality venues, this splitter ensures synchronized messaging across twin displays without requiring separate media players, reducing hardware costs and simplifying content management.
Educational institutions benefit from its ability to mirror instructor screens to student monitors in computer labs or lecture halls, facilitating interactive learning. IT departments value the device's rugged construction and TAA compliance for government and defense contracts, where durability and regulatory adherence are mandatory. The universal power adapter supports international deployments, making it suitable for global offices and events where electrical standards vary.
Physical Profile
Encased in a black steel housing, the ST122HDMI2 presents a professional appearance that blends with modern AV equipment. Its slim profile allows for discreet placement under desks, behind monitors, or within rack-mounted enclosures using optional mounting accessories. The compact dimensions minimize desk clutter while providing adequate ventilation to prevent overheating during extended use. The sturdy construction ensures the device remains secure in mobile setups or environments with vibration, such as trade shows or temporary installations.
- Width
- 3.10" (78.74 mm)
- Height
- 0.80" (20.32 mm)
- Weight
- 13.40 oz (380 g)
- Length
- 7.10" (180.34 mm)
What's in the Box
Each unit includes all necessary components for immediate deployment, ensuring a complete out-of-box experience without additional purchases.
Highlights
- Splits HDMI video and audio to two displays simultaneously at up to 1080p resolution
- Integrated signal amplifier supports cable runs up to 49 feet without quality loss
- EDID emulation automatically optimizes display settings for compatibility
- Supports HDMI-embedded audio and optional 3.5mm stereo audio connections
- Rugged steel enclosure ensures durability in commercial environments
- Universal power adapter compatible with NA, EU, UK, and AU outlets
- Plug-and-play setup requires no software or configuration
- TAA compliant for government and institutional procurement
- Backed by a 2-year warranty and lifetime technical support
- Compact design fits discreetly in rack or desktop installations
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | ST122HDMI2 |
| Brand Name | StarTech.com |
| Product Name | 2-Port HDMI Splitter And Signal Amplifier |
| Packaged Quantity | 1 Each |
| Product Type | Signal Splitter |
| Video | |
| Maximum Video Resolution | 1920 x 1200 |
| Interfaces/Ports | |
| Audio Line In | Yes |
| Audio Line Out | Yes |
| HDMI In | Yes |
| HDMI Out | Yes |
| Number of HDMI Inputs | 1 |
| Number of HDMI Outputs | 2 |
| Media & Performance | |
| Maximum Operating Distance | 49.21 ft (15000 mm) |
| Power Description | |
| Input Voltage | 120 V AC,230 V AC |
| Physical Characteristics | |
| Product Color | Black |
| Product Material | Steel |
| Height | 0.80" (20.32 mm) |
| Width | 3.10" (78.74 mm) |
| Length | 7.10" (180.34 mm) |
| Weight (Approximate) | 13.40 oz (380 g) |
| Miscellaneous | |
| Package Contents | 2-Port HDMI Splitter And Signal Amplifier 1 x Universal Power Adapter (NA / EU / UK / AU) 1 x Instruction Manual |
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE),Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What is the maximum resolution supported by this HDMI splitter?
The StarTech.com ST122HDMI2 supports a maximum video resolution of 1920 x 1200, which includes Full HD 1080p. This resolution is suitable for most business and presentation applications, ensuring clear and detailed visuals on both connected displays without compression artifacts or signal degradation.
How does the signal amplifier improve performance over long distances?
The built-in signal amplifier compensates for attenuation that occurs in HDMI cables over extended runs, maintaining signal integrity up to 49 feet. This eliminates the need for external boosters or repeaters, providing a reliable connection for installations where the source and displays are separated by longer distances, such as in large conference rooms or digital signage setups.
Can this splitter handle audio from both HDMI and separate audio inputs?
Yes, the splitter supports audio output through HDMI-embedded audio channels and also includes a 3.5mm stereo audio connection. This allows you to route audio either through the HDMI cable alongside video or through a separate audio cable, offering flexibility for systems with integrated speakers or external audio equipment.
What is EDID emulation and why is it important?
EDID emulation enables the splitter to automatically communicate display capabilities like resolution and refresh rate between the video source and connected monitors. This prevents compatibility issues such as blank screens or incorrect resolutions, ensuring that each display receives an optimal signal without requiring manual configuration or driver installations.
Is this splitter suitable for permanent installations in commercial settings?
Absolutely. The rugged steel construction provides durability against physical impacts and electromagnetic interference, making it ideal for permanent installations in conference rooms, retail stores, or digital signage networks. Its compact size and universal power adapter further support integration into various international and professional environments.
What warranty and support options are included with this product?
The StarTech.com ST122HDMI2 comes with a 2-year limited warranty covering defects in materials and workmanship. Additionally, it includes free lifetime 24/5 multi-lingual technical assistance, providing IT professionals with access to expert support for troubleshooting, deployment guidance, and compatibility inquiries during business hours.