• HDMI 2.1 and HDCP 2.3 Compliant – Fully supports the latest video and content protection standards.
• Supports Up to 8K@60Hz – Compatible with 8K@60Hz, 4K@120Hz, and 1080p@240Hz resolutions.
• 48Gbps Video Bandwidth – Ensures smooth, uncompressed transmission of high-resolution video.
• HDR Format Support – Includes HDR10+ and Dolby Vision pass-through for enhanced visuals.
• Audio Extraction – Outputs HDMI audio via Optical (SPDIF) and 3.5mm stereo jack.
• Audio Format Compatibility – Supports uncompressed LPCM and compressed Dolby Digital/DTS formats.
• CEC Support – Allows device control via HDMI input 1.
• Advanced EDID Management – Optimizes source-to-display compatibility.
• Plug-and-Play Installation – No drivers required; setup is quick and user-friendly.
• Compact Design – Space-saving form factor ideal for home and commercial AV installations. 

The BK-21AC is a high-performance 2x1 HDMI switcher designed to provide seamless source switching between two HDMI input devices and a single display. Fully compliant with HDMI 2.1 and HDCP 2.3 standards, it supports ultra-high-resolution video formats including 8K@60Hz, 4K@120Hz, and 1080p@240Hz, with a maximum bandwidth of 48Gbps to ensure uncompromised image quality. 

Supporting advanced video technologies such as HDR10+ and Dolby Vision, the BK-21AC delivers vivid color depth and dynamic contrast for an enhanced viewing experience. It also features optical (SPDIF) and 3.5mm stereo audio outputs for convenient audio extraction, with compatibility for both uncompressed LPCM and compressed Dolby Digital/DTS audio formats. 

Additional features include CEC pass-through on HDMI input 1 for integrated control, and advanced EDID management to ensure optimal communication between connected devices. Designed for plug-and-play simplicity, the compact form factor makes it ideal for home entertainment systems, gaming setups, and professional AV environments where reliable switching and superior AV performance are essential.