The QU-4-4K22 is a 1 by 4 6G HDMI Splitter designed to distribute a single HDMI input to four HDMI outputs simultaneously. This advanced solution supports high-performance audio and video output, making it suitable for various applications such as entertainment rooms, home theaters, showrooms, lecture halls, and public commercial displays.
Function Description:
The primary function of the QU-4-4K22 is to split a single HDMI 2.0 input signal to four distinct HDMI outputs. It is compliant with HDCP 2.2 and DVI standards, ensuring compatibility with a wide range of source equipment and displays. The splitter supports resolutions up to 4Kx2K@60Hz (YUV444), providing high-quality video performance. It also handles high-resolution digital audio formats, including LPCM 2/5.1/7.1CH, Dolby Digital 2~5.1CH, DTS 2~5.1CH, Dolby TrueHD, Dolby Atmos, and DTS-HD Master Audio, with audio sampling rates up to 192kHz. The device includes input and output indicators on the front panel that illuminate when a signal is detected, offering visual confirmation of connectivity and status. A system reset function is also integrated, allowing the unit to trigger the TV to switch to the device's HDMI input immediately, which is particularly useful if the display has switched to another source.
Important Technical Specifications:
- Video Bandwidth: 600MHz/18Gbps, supporting 6G HDMI signals.
- Input Ports: 1x HDMI, 1x USB (for service only).
- Output Ports: 4x HDMI.
- HDMI Resolutions:
- VGA~WUXGA (RB)
- 480i~1080p@24/50/60
- 4K@24/25/30
- 4K@50/60 (YUV444)
- Specific supported resolutions include:
- 640x480@60/72/75/85
- 720x400@85
- 800x600@56/60/72/75/85
- 1024x768@60/70/75/85
- 1152x864@75
- 1280x720@60
- 1280x768@60/75/85
- 1280x800@60
- 1280x960@60
- 1280x1024@60
- 1360x768@60
- 1366x768@60
- 1400x1050@60
- 1440x900@60
- 1600x900@60
- 1600x1200@60
- 1680x1050@60
- 1920x1080@60
- 1920x1200@60
- 1920x1440@60
- 2560x1600@60
- 1440x576i@50
- 1440x480i@59.94/60
- 720x480p@59.94/60
- 720x576p@50
- 1280x720p@50/59.94/60
- 1920x1080i@50/59.94/60
- 1920x1080p@23.97/24/25/29.97/30/50/59.94/60
- 3840x2160@24/25/30/50/60
- 4096x2160@24/25/30/50/60
- HDMI Cable Distance:
- 15m@1080p/8-bit
- 10m@1080p/12-bit
- 5m@4K
- Note: For optimal 6G HDMI signal quality, 24AWG HDMI cables are recommended.
- Power Supply: 5V/2.6A DC (US/EU standards, CE/FCC/UL certified).
- ESD Protection: Human body model: ±8 kV (air-gap discharge), ±4 kV (contact discharge).
- Dimensions (W×D×H):
- Jack Excluded: 231.5mm × 108mm × 25mm
- Jack Included: 231.5mm × 118mm × 30mm
- Weight: 616g.
- Chassis Material: Metal.
- Color: Black.
- Operating Temperature: 0°C~40°C (32°F~104°F).
- Storage Temperature: -20°C~60°C (-4°F~140°F).
- Relative Humidity: 20~90% RH (non-condensing).
- Power Consumption: 3.92 W.
Usage Features:
The QU-4-4K22 offers several user-friendly features for seamless operation:
- Front Panel Indicators:
- POWER LED: Illuminates when the device is connected to an active power supply.
- 6G/3G LEDs: Indicate the bandwidth of the input source (6G or 3G).
- IN SYNC LED: Illuminates when an input signal is detected, flickers for abnormal signals (e.g., unstable), and turns off when no input is connected.
- IN HDCP LED: Illuminates when Input HDCP is detected, flickers for HDCP abnormalities (e.g., unsupported version), and turns off when no HDCP is detected.
- OUT 1~4 SYNC LEDs: Illuminate when an output signal is detected, flicker for abnormal outputs (e.g., connected but sense is off), and turn off when no output is connected.
- OUT 1~4 HDCP LEDs: Illuminate when output HDCP is active, flicker for HDCP abnormalities, and turn off when no HDCP is detected.
- EDID Switch (Dip Switch): Allows selection between "Standard (STD)" mode and "TV" mode.
- In "TV" mode, the unit automatically detects and stores EDID data from output 1.
- In "STD" mode, upon reboot, the unit searches for a suitable resolution from all connected displays, defaulting to 1080p and PCM 2-channel audio.
- SYS-RST Switch (Dip Switch): When switched from OFF to ON, the unit triggers the TV to switch to its HDMI input immediately. If the dip switch remains ON, the unit will cycle this trigger every 8-10 minutes. This feature is designed to ensure the display consistently shows the intended image, especially if the display user has switched to a different HDMI input or other sources, by forcing the display back to the HDMI input connected to the splitter (requires CEC support on the TV).
- 3D Pass-Through: Supports the transmission of 3D content.
- System Requirements: Compatible with Blu-ray/DVD/PS3 players, Set-Top-Boxes, or any 6G HDCP2.2 source. Outputs to 6G HDMI TVs/displays and/or audio amplifiers.
Maintenance Features:
The QU-4-4K22 is designed for straightforward operation with minimal maintenance.
- Firmware Update: A "SERVICE" USB port is provided on the rear panel, reserved for firmware updates, allowing for future enhancements or bug fixes.
- Safety Precautions: The manual emphasizes several safety guidelines to ensure the longevity and safe operation of the device:
- Always follow basic safety precautions to prevent fire, electrical shock, and injury.
- Avoid exposing the unit to rain or moisture.
- Never spill liquids into the product.
- Do not insert objects into the unit's openings.
- Securely route power supply cabling.
- Use only the supplied power supply unit (PSU) and ensure it is not damaged.
- Prevent anything from resting on the power cabling.
- Ensure adequate ventilation by not blocking vents or openings to prevent overheating.
- Robust Construction: The device features a metal chassis, contributing to its durability and heat dissipation.
The QU-4-4K22 is a reliable and versatile HDMI splitter, offering robust performance and essential features for managing and distributing high-quality HDMI signals across multiple displays.
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