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EX-HT2-403-10
HDMI over HDBaseT Extender with ARC, Audio Extraction, IR, RS-232, CEC & PoC (40m 4K / 70m 1080p)
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HDMI 2.0b & HDCP 2.2 compliant
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Supports resolutions up to 4K60Hz 4:4:4 with HDR10 and Dolby Vision
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Transmission up to 40m at 4K / 70m at 1080p over Cat6/6a
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ARC (Audio Return Channel) – routes TV audio back via SPDIF or L/R analog outputs
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Local audio extraction from the transmitter for flexible system integration
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Bi-directional IR, RS-232, and CEC pass-through for full control compatibility
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PoC (Power over Cable) – one power supply powers both units
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Compact metal enclosure with mounting hardware included
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Status LEDs for ARC, SPDIF, and signal monitoring
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4K60 (4:4:4)
40m (131ft)
ARC
IR
RS-232
Cat5e or Cat6 cabling is typically sufficient for most signal transmissions. However, for higher resolutions over longer distances, Cat6a is recommended to ensure optimal performance.
Transmission distances are approximate and can vary depending on environmental factors and installation quality. The EX-403 supports distances of up to 40 meters (131ft) for 4K signals and approximately 70 meters (231 ft) for 1080p
⚠️ Note: Pre-made patch cables using stranded copper (common in consumer-grade products) may not achieve the advertised transmission distances. For optimal performance, use solid copper cables typically found in professional installations.
The ARC (Audio Return Channel) function allows audio generated at the display (such as from smart TV apps, broadcast tuners, or connected devices plugged directly into the TV) to be sent back to the EX-HT2-403-10 system over the HDBaseT link.
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On the Receiver (RX): The display is connected to the HDMI OUT, and if ARC is enabled on the display, the audio signal is sent back through the HDMI connection.
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Over the HDBaseT Link: That return audio is transmitted from the RX to the TX.
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On the Transmitter (TX): The ARC audio is output via the SPDIF optical port or 3.5mm stereo jack. It does not output through the HDMI port.
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If your display does not support ARC (Audio Return Channel), the EX-HT2-403-10 still provides flexibility for audio return. In this case, you can use the dedicated SPDIF input on the receiver (RX).
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Connection: Connect the TV’s optical digital audio output (commonly available on most TVs, even those without ARC) to the SPDIF IN port on the RX.
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Return Path: The audio is carried back from the RX to the TX over the HDBaseT link.
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Output: At the TX, the audio is available via the SPDIF OUT (optical) port, ready to be connected to an amplifier, AV receiver, or other audio device.
This means that even if the display is an older model or one without ARC support, the EX-HT2-403-10 still allows audio from the display location to be returned and integrated into the wider AV system.
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No. The EX-HT2-403-10 supports ARC (Audio Return Channel) but not eARC (Enhanced Audio Return Channel). ARC provides support for common compressed audio formats such as Dolby Digital, DTS, and PCM stereo, which are sufficient for most TV apps and standard AV systems.
However, eARC, which carries full uncompressed formats such as Dolby TrueHD, DTS-HD Master Audio, and Dolby Atmos via MAT, is not supported on this model. For full eARC support, use EX-HT3-4001-10.
The extender passes through HDMI audio formats such as PCM 2.0/5.1/7.1, Dolby Digital, Dolby TrueHD, DTS-HD Master Audio, and DSD, ensuring that immersive surround sound is preserved during transmission. Whether used in a high-end home theater or a corporate boardroom, audio fidelity remains uncompromised.
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