| Premium HDMI 2.1 Class | 4 HDMI inputs 2 HDMI outputs | Up to 8K at 60 Hz or 4K at 120 Hz, subject to source, display, cable, and implementation limits. Up to 48 Gbps | HDCP 2.3 pass-through is typically supported. Backward compatibility with earlier HDCP versions depends on connected equipment. | HDR10, HDR10+, Dolby Vision, and HLG pass-through may be available. HDR10+ | eARC pass-through or audio extraction may be included. Verify whether eARC is available on one output or both outputs. | Best for current-generation game consoles, 8K displays, and high-bandwidth installations. Use certified Ultra High Speed HDMI cables. |
| 4K120 Gaming Class | 4 HDMI inputs 2 HDMI outputs | Up to 4K at 120 Hz, commonly with 10-bit color and variable-refresh features where supported. HDMI 2.1 features | HDCP 2.3 support is generally specified for HDMI 2.1 inputs and outputs. Content playback can still be limited by the weakest connected device. | HDR10 and HLG are commonly supported. HDR10+ and Dolby Vision require explicit device support and compatible EDID handling. | eARC support may be provided through a designated display output. Some units support ARC only, so the product specification must be checked carefully. | Suitable for modern consoles and high-refresh displays. Confirm support for ALLM, VRR, and the required audio formats before purchase. |
| Mainstream 4K60 HDR Class | 4 HDMI inputs 2 HDMI outputs | Up to 4K at 60 Hz with 4:4:4 or 4:2:0 chroma depending on color depth and bandwidth. Up to 18 Gbps | HDCP 2.2 is common; HDCP 2.3 is not guaranteed. Check the exact revision when connecting protected 4K streaming sources. | HDR10 and HLG are commonly supported. HDR10+ pass-through is implementation-dependent and should not be assumed. | ARC may be available; eARC is generally not available on this class. Multichannel PCM, Dolby, and DTS support varies by model. | A practical option for 4K televisions, media players, and office or classroom systems. Not recommended for 4K120 or 8K requirements. |
| Budget 4K30 Compatibility Class | 4 HDMI inputs 2 HDMI outputs | Up to 4K at 30 Hz; 1080p at 60 Hz is typically supported. Lower bandwidth | HDCP 1.4 or HDCP 2.2 may be supported depending on the hardware. Compatibility with newer protected 4K content can be limited. | SDR and basic HDR10 support may be available. HDR10+ and Dolby Vision support should be treated as unavailable unless explicitly stated. | Stereo and compressed surround formats are more common than eARC. Advanced object-based audio may not pass through correctly. | Appropriate for older 4K displays, signage, and standard home-theater switching. Choose a higher class for streaming, gaming, or long-term system upgrades. |