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C4i Manuals & User Guides

C4i produces high-performance audio/video solutions including HDMI adapters, AV streamers, active optical cables, and HDBaseT extenders.

Tip: include the full model number printed on your C4i label for the best match.

About C4i manuals on Manuals.plus

C4i Audio & Video Solutions

C4i is a technology brand dedicated to providing high-quality audio and video connectivity solutions. Their product lineup features state-of-the-art HDMI eARC adapters, full-featured Type-C active optical cables, 4K60 AV streamers, and HDBaseT extenders.

Designed for both residential and commercial applications, C4i devices support the latest AV standards including HDMI 2.1, HDCP 2.3, and advanced audio formats like Dolby Atmos and DTS:X, ensuring seamless integration and premium performance for your entertainment and networking setups.

C4i manuals

Latest manuals from manuals+ curated for this brand.

C4i HDN-ENB12E 4K60 AV Streamer User Manual

November 25, 2025
C4i HDN-ENB12E 4K60 AV Streamer User Manual Thank you for purchasing this product For optimum performance and safety, please read these instructions carefully before connecting, operating or adjusting this product.…

C4i ‎BP-HDC-SWC11A Earc Audio Adapter User Manual

May 12, 2025
C4i ‎BP-HDC-SWC11A Earc Audio Adapter Thank you for purchasing this product For optimum performance and safety, please read these instructions carefully before connecting, operating or adjusting this product. Please keep…

C4i 4K60 HDMI USB 2.0 HDBT Extender User Manual

March 19, 2025
C4i 4K60 HDMI USB 2.0 HDBT Extender Product Usage Instructions Connection Setup Ensure that all components are unpacked from the package contents. Connect the transmitter and receiver as follows: Transmitter…

C4i LKV841 8K 4X1 HDMI Switch User Manual

January 14, 2025
C4i LKV841 8K 4X1 HDMI Switch Important Safety Instructions To prevent electric shock, please ensure that all devices are properly grounded. Do not place this device near or over a…

C4i HDP-EHB100V3K HDBaseT 3.0 Extender User Manual

July 3, 2023
HDBaseT 3.0 Extender with eARC/ARC (100m) User Manual VER 1.1 HDP-EHB100V3K HDBaseT 3.0 Extender Thank you for purchasing this product For optimum performance and safety, please read these instructions carefully…

48Gbps eARC Audio Adapter User Manual

User Manual
User manual for the 48Gbps eARC Audio Adapter (HDC-SWC11A), detailing its features, specifications, operation controls, and application examples for seamless audio integration with HDMI 2.1 and HDCP 2.3 support.

8K 2x1 HDMI 2.1 Switcher User Manual - C4i (HDC-SWC21)

user manual
Comprehensive user manual for the C4i 8K 2x1 HDMI 2.1 Switcher (Model HDC-SWC21). This guide details product features, technical specifications, package contents, operation controls, and application examples for seamless 8K…

C4i support FAQ

Common questions about manuals, registration, and support for this brand.

  • Where can I download the manual for my C4i HDMI Extender or AV Streamer?

    You can find user manuals, setup guides, and instructions for most C4i products right here on Manuals.plus. Search for your specific model number (e.g., HDC-MC03 or ENB12E) to easily locate your document.

  • Does the C4i HDC-MC03 HDMI adapter support Dolby Atmos?

    Yes, the HDC-MC03 eARC Audio to Soundbar adapter supports full audio pass-through including Dolby Atmos, Dolby TrueHD, and DTS:X.

  • How do I configure the EDID settings on a C4i Extender?

    EDID settings are typically managed via the built-in EDID DIP switches on the transmitter. Refer to the specific user manual for your device model for exact switch configuration codes.