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SIIG 1x2 HDMI Distribution Amplifier with 3D and 4Kx2KCE-H21A11-S1

  • Splits HDMI video/audio signals from one HDMI source to two HDMI displays without losing quality
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SIIG's 1x2 HDMI Distribution Amplifier with 3D and 4Kx2K is designed to broadcast HDMI contents from one HDMI source to 2 display units in different locations without signal distortion and degradation. It supports premium video quality with full scale display resolutions up to 4Kx2K, 3D video, HDMI Deep Color, and multiple digital audio formats including Dolby Digital, DTS-HD and Dolby TrueHD. It is easy and hassle-free to install with no software installation required. And it features with automatic EDID learning ability to fully maximize the display unit's compatibility. This 1x2 HDMI Distribution Amplifier is a great device for digital signage deployment to broadcast high definition audio and video for both home and commercial applications.

The 1x2 HDMI Distribution Amplifier with 3D and 4Kx2K is FCC & CE regulatory approved, meets RoHS hazardous materials standards, and backed by SIIG's limited 3-year warranty.

Learn more about the SIIG, Inc CE-H21A11-S1




Resolution Support
Video Bit Rate/Bandwidth
10.2 Gbps (single-link 340MHz)
DTS-HD Master Audio, Dolby TrueHD, Dolby Digital, DTS, DVD-Audio, LPCM, SACD, MPCM


1 x 19-Pin, HDMI, Type A, Female, Input
2 x 19-pin, HDMI, Type A, Female, Output
Serial Interface
1 x 9-pin, Serial, Female, Firmware update


Power Consumption
10 Watts (max)
Power Supply
Input: 100-240VAC, 50/60 Hz
Output: 5V DC, 4A


Chipset: Explore EP9142
Wide frequency range: 25MHz to 340MHz
Supports transmission distance up to 15M (Input 5m / Output 10m)
DVI 1.0 compliant
HDCP compliant
Input TMDS signal: 1.2V (peak-to-peak)
Input DDC signal: 5V (peak-to-peak, TTL)
Supports Deep color and xvYCC, x.v.Color
Supports PC resolution up to 4Kx2K
ESD protection: 19KV Air / 12kV Contact

-Color: Black
-Housing: Metal (for better RF shielding)

Environmental conditions:
-Operating temperature: 32 to 140 degrees F
-Storage temperature: -4 to 140 degrees F
-Relative humidity: 20% to 90% RH(non-condensing)

Certifications/Standards: FCC, CE, RoHS


Supports HDMI Deep Color & 3D output to bring theater quality environment into your home

Supports HD resolutions up to 4Kx2K for home, commercial and professional quality video

Supports Dolby Digital, DTS-HD and Dolby TrueHD audio for theater quality sound

Features firmware update via RS-232 for expanding compatibility

Automatic EDID learning for maximum compatibility and easy to setup

Metal housing for excellent heat dissipation for reliability, dependability and longer operational lifespan


7.36" (W) x 3.39" (H) x 1.06" (D)
1.04 lbs


Package Content
1x2 HDMI Distribution Amplifier with 3D and 4Kx2K
Power adapter 5V/4A
Screw kit
User's manual

Quick Info

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