Awaiting product image

CXSP-14HA21 1×4 HDMI 2.1 Splitter with Audio Extractor – 8K@60Hz / 4K@120Hz

  • 1 HDMI Input / 4 HDMI Outputs
    Distribute a single HDMI source signal to four displays simultaneously.

  • HDMI 2.1 Ultra-High Resolution
    Supports 8K@60Hz and 4K@120Hz with compatibility for next-generation HDMI devices.

  • Dolby Vision & HDCP 2.3 Support
    Ensures stable playback of protected HDR content with enhanced image quality.

  • Gaming Optimization
    Supports VRR (Variable Refresh Rate) and ALLM (Auto Low Latency Mode) for smoother gaming performance.

  • Audio Extraction Function
    Extract audio signals for connection to external speakers, AV receivers, or sound systems.

  • EDID Management
    Automatically synchronizes display capabilities for stable and optimal resolution output.

  • 3D & Deep Color Support
    Supports 3D video and deep color up to 30-bit / 36-bit for improved visual fidelity.

  • Dolby Atmos Audio Compatibility
    Supports advanced multi-channel audio formats for immersive sound performance.

Download PDF
Send Enquiry

Product Description

The CXSP-14HA21 HDMI 2.1 Splitter enables a single HDMI source to be distributed to four displays while maintaining ultra-high-resolution video and advanced audio support. With compatibility for 8K@60Hz and 4K@120Hz, it is designed for modern gaming systems, high-end home theaters, and professional AV installations.

Support for Dolby Vision, HDCP 2.3, VRR, and ALLM ensures smooth video performance for next-generation gaming consoles and high-refresh displays. The built-in audio extraction feature allows audio to be routed to external sound systems while maintaining full video output to connected displays.

Ideal for multi-display gaming setups, digital signage systems, professional AV environments, and home theater installations, the CXSP-14HA21 provides reliable HDMI 2.1 signal distribution with stable performance.

Specifications

Model CXSP-14HA21 (SP14HA21)
HDMI Input 1
HDMI Outputs 4
HDMI Version HDMI 2.1
Max Resolution 8K@60Hz / 4K@120Hz
HDR Support Dolby Vision
HDCP HDCP 2.3
Gaming Features VRR, ALLM
Audio Support Dolby Atmos
EDID Management Supported

FAQ

Most frequent questions and answers

ExtendHD solutions work seamlessly with TVs, projectors, monitors, sound systems, and most standard HDMI-enabled devices.

No. Most ExtendHD products are plug-and-play. Advanced units may offer optional PC-based control for customization.

Absolutely. Our products are designed for professional-grade performance, suitable for offices, retail, classrooms, and home theaters.

Depending on the model, our HDMI extenders support distances up to 100 meters using CAT6/7 cables.

We offer dedicated customer support, user manuals, and setup assistance to ensure smooth installation and usage.

Scroll to Top

Explore Categories

ExtendHD delivers premium AV solutions—designed for seamless connectivity, professional performance, and reliable signal distribution across any environment.