What Is the HD-102C?
The OREI HD-102C is a compact 1x2 HDMI splitter with a built-in HDMI male input cable. It takes one HDMI source and mirrors the same signal to two HDMI displays at the same time.
The HDMI male connector plugs directly into the HDMI source device, and two HDMI displays connect to OUTPUT 1 and OUTPUT 2 using HDMI cables.
The HD-102C supports HDMI 1.4 and HDCP 1.4, with video resolutions up to 4K@30Hz, 1080p, 720p, and 480p. It supports 10.2Gbps total video bandwidth, 8 / 10 / 12-bit color depth, HDR, Dolby Vision, CEC support, and audio formats including LPCM, DTS, Dolby Digital, DTS-HD Master Audio, and Dolby TrueHD. The application diagram shows a PS4 connected to the splitter and duplicated to two HD TVs.
The HD-102C is useful for home entertainment, gaming setups, classrooms, conference rooms, trade shows, retail displays, small AV setups, and any installation where one HDMI source needs to be shown on two displays.
IMPORTANT — HD-102C Is a 1x2 HDMI Splitter
The HD-102C duplicates one HDMI source to two HDMI outputs.
| Function | Support |
| 1 HDMI male input | Supported |
| 2 HDMI outputs | Supported |
| Same source on both displays | Supported |
| Different source on each display | Not supported |
| Matrix switching | Not supported |
| Extended desktop creation | Not supported |
| Audio extraction | Not supported |
This product mirrors one HDMI source. It does not create independent video outputs and does not extend a PC desktop across two screens.
IMPORTANT — Supports 4K@30Hz
The HD-102C supports video resolutions up to 4K@30Hz.
| Resolution / Feature | Support |
| 4K@24Hz | Supported |
| 4K@30Hz | Supported |
| 1080p | Supported |
| 720p | Supported |
| 480p | Supported |
| 4K@60Hz | Not supported |
| 4K@120Hz | Not supported |
| 8K | Not supported |
For 4K@60Hz distribution, use an HDMI 2.0 / 18Gbps splitter model.
IMPORTANT — HDMI 1.4 / HDCP 1.4
The HD-102C supports HDMI 1.4 and HDCP 1.4.
| Specification | Support |
| HDMI version | HDMI 1.4 |
| HDCP version | HDCP 1.4 |
| Video bandwidth | 10.2Gbps total |
| Maximum resolution | 4K@30Hz |
Make sure the HDMI source, displays, and protected content are compatible with HDMI 1.4 / HDCP 1.4.
IMPORTANT — This Model Does Not Support Downscaling
The HD-102C does not support 4K to 1080p downscaling.
| Setup | Result |
| 4K source to two 4K displays | Supported up to 4K@30Hz |
| 1080p source to two 1080p displays | Supported |
| 4K source to 4K + 1080p display | May not work correctly |
| Mixed 4K and 1080p displays | Set source to 1080p |
If one display is 4K and the other is 1080p, set the HDMI source output resolution to 1080p for best compatibility.
IMPORTANT — Built-In HDMI Male Input Cable
The HD-102C has a built-in HDMI male connector for the input.
| Connection | Function |
| HDMI Male In | Connects directly to HDMI source |
| OUTPUT 1 | Connects to Display 1 |
| OUTPUT 2 | Connects to Display 2 |
This compact design is useful when connecting directly to a source device such as a game console, streaming device, Blu-ray player, or laptop HDMI output.
IMPORTANT — USB-C Power Input Is Required
The HD-102C is powered through a USB-C DC 5V input.
| Power Detail | Value |
| Power input | DC 5V/1A |
| Power cable included | USB-A to USB-C cable |
| Maximum power consumption | 5W |
| Power LED | Blue when powered |
Use a power adapter or USB power source that outputs DC 5V/1A.
IMPORTANT — CEC Support Is Included
The HD-102C supports CEC.
CEC can allow supported HDMI devices to power on or off together using the source remote.
CEC behavior depends on the HDMI source, displays, HDMI cables, and device settings.
IMPORTANT — HDMI Audio Pass-Through Is Supported
The HD-102C supports HDMI audio pass-through.
Supported audio formats include:
| Supported HDMI Audio |
| LPCM |
| DTS |
| Dolby Digital |
| DTS-HD Master Audio |
| Dolby TrueHD |
The connected HDMI source and displays must also support the selected audio format.
IMPORTANT — This Is Not an Audio Extractor
The HD-102C passes audio through HDMI only.
| Audio Feature | Support |
| HDMI audio pass-through | Supported |
| Analog audio output | Not supported |
| Optical audio output | Not supported |
| Coaxial audio output | Not supported |
| ARC / eARC extraction | Not supported |
If you need separate audio output to speakers, soundbar, or amplifier, use an HDMI audio extractor or a splitter model with dedicated audio output.
Ports and Panel Layout
| Port / Button / Indicator | Function |
| DC 5V | USB-C power input for included USB-A to USB-C cable |
| HDMI Male In | Connects to HDMI source device |
| Power LED | Blue indicator lights when powered |
| Select Button | Press to reset the product |
| Green Indicator | Output 1 is connected to a display |
| Blue Indicator | Output 2 is connected to a display |
| HDMI OUT 1–2 | Connect HDMI displays such as TVs or monitors |
Step-by-Step Setup
- Connect the built-in HDMI male input connector to the HDMI source device.[Text Wrapping Break]Examples include a PS4, Blu-ray player, streaming device, cable box, laptop, desktop PC, DVR, NVR, or media player.
- Connect HDMI OUTPUT 1 to the first display using an HDMI cable.
- Connect HDMI OUTPUT 2 to the second display using an HDMI cable.
- Connect the included USB-A to USB-C cable to the DC 5V port.
- Connect the USB-A side to a 5V/1A USB power adapter or compatible USB power source.
- Power on the HDMI source, displays, and splitter.
- Confirm the Power LED turns blue.
- Check the output indicators for connected displays.
- Test video and HDMI audio on both displays.
HDMI Cable Requirement — Critical
Use high-quality HDMI cables.
| Requirement | Recommendation |
| Maximum HDMI cable length | Under 30ft |
| 4K@30Hz use | High-quality HDMI cable |
| Mixed displays | Set source to common resolution |
Poor HDMI cables may cause:
- No video
- Flickering
- Black screen
- One output not working
- Wrong resolution
- HDR issues
- HDCP handshake issues
- Audio dropouts
For troubleshooting, test each HDMI cable directly between the source and display.
Power Requirement — Critical
The HD-102C requires DC 5V/1A power.
| Power Detail | Value |
| Power input port | USB-C |
| Required power | DC 5V/1A |
| Included cable | USB-A to USB-C |
| Maximum power consumption | 5W |
If the power light is off, check that the USB power cable is connected and that the power source outputs DC 5V/1A.
Understanding the Select Button
The Select Button is used to reset the product.
Use the reset button when:
- One display is not detected
- The signal is unstable
- The output indicators do not update correctly
- The splitter needs to re-handshake with the source and displays
After pressing reset, allow the source and displays a few seconds to reconnect.
Understanding Display Indicators
The Select Button area also indicates output connection status.
| Indicator | Meaning |
| Light green | OUTPUT 1 is connected to a display |
| Light blue | OUTPUT 2 is connected to a display |
| Blue Power LED | Device is powered on |
Use these indicators first when troubleshooting display detection.
Understanding the Application Example
The application diagram on page 10 shows a PS4 connected to the HD-102C through the built-in HDMI male input. Two HDMI cables connect the splitter outputs to two HD TVs.
This demonstrates the main use case: one HDMI source mirrored to two HDMI displays at the same time.
Supported Video and Audio
The HD-102C supports video formats including:
| Supported Video |
| 4K@24Hz |
| 4K@30Hz |
| 1080p |
| 720p |
| 480p |
| 4:4:4 |
| 4:2:2 |
| 4:2:0 |
| 8-bit color |
| 10-bit color |
| 12-bit color |
| HDR |
| Dolby Vision |
Supported HDMI audio formats include:
| Supported HDMI Audio |
| LPCM |
| DTS |
| Dolby Digital |
| DTS-HD Master Audio |
| Dolby TrueHD |
Supported Technical Specifications
| Specification | Support |
| Product Type | 1x2 4K@30Hz HDMI splitter |
| HDMI Version | HDMI 1.4 |
| HDCP Version | HDCP 1.4 |
| Video Bandwidth | 3.4Gbps / 340MHz per channel, 10.2Gbps total |
| Maximum Resolution | 4K@30Hz |
| Other Resolutions | 1080p, 720p, 480p |
| Color Space | 4:4:4, 4:2:2, 4:2:0 |
| Color Depth | 8 / 10 / 12-bit |
| HDR | HDR and Dolby Vision |
| Audio Formats | LPCM, DTS, Dolby Digital, DTS-HD Master Audio, Dolby TrueHD |
| CEC | Supported |
| Input | 1 x HDMI Type-A 19-pin male |
| Outputs | 2 x HDMI Type-A 19-pin female |
| Downscaling | Not supported |
| Audio Extraction | Not supported |
| Power Input | USB-C DC 5V |
| Power Supply Requirement | DC 5V/1A |
| Power Consumption | 5W max |
| Housing | ABS plastic |
| Color | Black |
| Dimensions | 65.5mm x 55.5mm x 16mm |
| Weight | 77g / 2.72oz |
| Operating Temperature | 0°C to 70°C / 32°F to 158°F |
| Storage Temperature | -20°C to 60°C / -4°F to 140°F |
| Relative Humidity | 5–90% RH, non-condensing |
| ESD Protection | ±4kV contact discharge, ±8kV air discharge |
What Source Devices Is the HD-102C Compatible With?
The HD-102C is compatible with HDMI source devices such as:
- PS4
- Blu-ray players
- DVD players
- Cable boxes
- Satellite receivers
- Streaming devices
- Media players
- Desktop PCs
- Laptops with HDMI output
- DVRs
- NVRs
- Game consoles
- HDMI switch outputs
- HDMI matrix outputs
The source must output a supported HDMI resolution up to 4K@30Hz.
What Displays Is the HD-102C Compatible With?
The HD-102C can connect to HDMI displays such as:
- 4K TVs
- 1080p TVs
- HD TVs
- Monitors
- Projectors
- Commercial displays
- Classroom displays
- Conference room displays
- Retail displays
- Trade show displays
- Gaming displays
For 4K use, the display must support 4K@30Hz.
Frequently Asked Questions
Q: What is the OREI HD-102C used for?[Text Wrapping Break]A: It is used to split one HDMI source to two HDMI displays.
Q: Is the HD-102C a splitter or extender?[Text Wrapping Break]A: It is an HDMI splitter. It does not extend HDMI over CAT cable by itself.
Q: How many HDMI inputs does it have?[Text Wrapping Break]A: It has one built-in HDMI male input connector.
Q: How many HDMI outputs does it have?[Text Wrapping Break]A: It has two HDMI outputs.
Q: Does it show the same content on both displays?[Text Wrapping Break]A: Yes. Both displays show the same HDMI source.
Q: Can it show different content on each display?[Text Wrapping Break]A: No. It duplicates one HDMI source to both outputs.
Q: Can it extend my computer desktop across two screens?[Text Wrapping Break]A: No. It mirrors the same PC screen to two displays.
Q: Does the HD-102C support 4K?[Text Wrapping Break]A: Yes. It supports up to 4K@30Hz.
Q: Does it support 4K@60Hz?[Text Wrapping Break]A: No. It supports up to 4K@30Hz.
Q: Does it support 8K?[Text Wrapping Break]A: No. It supports up to 4K@30Hz.
Q: What HDMI version does it support?[Text Wrapping Break]A: It supports HDMI 1.4.
Q: What HDCP version does it support?[Text Wrapping Break]A: It supports HDCP 1.4.
Q: What video bandwidth does it support?[Text Wrapping Break]A: It supports 10.2Gbps total bandwidth.
Q: Does it support HDR?[Text Wrapping Break]A: Yes. HDR is listed as supported.
Q: Does it support Dolby Vision?[Text Wrapping Break]A: Yes. Dolby Vision is listed as supported.
Q: Does it support CEC?[Text Wrapping Break]A: Yes. CEC is supported.
Q: Does the HD-102C support downscaling?[Text Wrapping Break]A: No. This model does not support downscaling.
Q: Can it output 4K on a 4K display and 1080p on a 1080p display at the same time?[Text Wrapping Break]A: No. The manual says this model does not support downscaling.
Q: What should I do if I connect one 4K TV and one 1080p TV?[Text Wrapping Break]A: Set the HDMI source output to 1080p for best compatibility.
Q: What audio formats are supported?[Text Wrapping Break]A: It supports LPCM, DTS, Dolby Digital, DTS-HD Master Audio, and Dolby TrueHD.
Q: Does it support Dolby Atmos?[Text Wrapping Break]A: Dolby Atmos is not listed for this model.
Q: Does it support DTS:X?[Text Wrapping Break]A: DTS:X is not listed for this model.
Q: Does it extract audio to speakers?[Text Wrapping Break]A: No. Dedicated audio extraction is not listed for this model.
Q: Does it have optical audio output?[Text Wrapping Break]A: No. Optical audio output is not listed.
Q: Does it have analog audio output?[Text Wrapping Break]A: No. Analog audio output is not listed.
Q: Does it support ARC or eARC?[Text Wrapping Break]A: ARC and eARC are not listed for this model.
Q: Does it support IR control?[Text Wrapping Break]A: IR control is not listed for this model.
Q: Does it support RS-232?[Text Wrapping Break]A: RS-232 control is not listed for this model.
Q: What power cable is included?[Text Wrapping Break]A: The package includes one USB-A to USB-C cable.
Q: What power does it require?[Text Wrapping Break]A: It requires DC 5V/1A power.
Q: What does the Power LED mean?[Text Wrapping Break]A: The Power LED lights blue when the device is powered on.
Q: What does the green indicator mean?[Text Wrapping Break]A: Green means OUTPUT 1 is connected to a display.
Q: What does the blue indicator mean?[Text Wrapping Break]A: Blue means OUTPUT 2 is connected to a display.
Q: What does the Select Button do?[Text Wrapping Break]A: Press the Select Button to reset the product.
Q: What should I do if the power light is off and the product is not working?[Text Wrapping Break]A: Check that the power supply is properly connected and that the power adapter or USB power source outputs DC 5V/1A.
Q: What should I do if the second display flickers?[Text Wrapping Break]A: Check that the source resolution is supported by both displays and make sure all HDMI cables are under 30ft.
Q: What should I do if one display has no video?[Text Wrapping Break]A: Check that output’s HDMI cable, display input, display power, and output indicator. Also test the display on the other HDMI output.
Q: What should I do if both displays have no video?[Text Wrapping Break]A: Check the power source, HDMI source connection, source resolution, HDMI cables, and press the Select Button to reset the splitter.
Q: What should I do if 4K does not work?[Text Wrapping Break]A: Confirm the source and both displays support 4K@30Hz, use high-quality HDMI cables under 30ft, and test at 1080p first.
Q: What should I do if audio does not work?[Text Wrapping Break]A: Confirm the source and displays support the selected audio format, and test with LPCM / stereo audio if needed.
Q: Does the HD-102C need external power?[Text Wrapping Break]A: Yes. Power the splitter using the included USB-A to USB-C cable with a DC 5V/1A power source.
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