Kramer Electronics 4x4 seamless AV matrix-switcher/multi-scaler

The Kramer Electronics 4x4 Seamless AV Matrix Switcher/Multi-Scaler is a professional-grade solution for routing and scaling 4K video signals. With four HDMI inputs and four HDMI outputs, it supports resolutions up to 4K@60Hz (4:4:4) and features K-Fusion™ seamless switching technology for glitch-free transitions. Each output includes a built-in multi-scaler, allowing independent scaling of each display. Advanced EDID management with K-Locker™ ensures compatibility with a wide range of sources and displays. Audio embedding and de-embedding via unbalanced stereo audio inputs (3.5mm) and balanced stereo audio outputs (5-pin terminal block) provide flexible audio integration. Control options include front panel buttons, OSD, RS-232, and Ethernet (LAN). The unit is housed in a half 19" 1U rack-mountable enclosure (adapter optional) and powered by a 12V DC, 5A supply.

Advantages

Seamless switching with K-Fusion™ technology eliminates signal disruption during source changes. The per-output multi-scaler enables independent resolution scaling for each display, optimizing image quality. Advanced EDID management with K-Locker™ ensures reliable handshaking with connected devices. Flexible audio embedding and de-embedding simplify integration with audio systems. Multiple control options (front panel, OSD, RS-232, Ethernet) provide versatile operation.

Suitable for

• Professional AV installations requiring seamless 4K matrix switching
• Conference rooms, boardrooms, and training facilities
• Digital signage and multi-display environments
• Broadcast and live event production
• Education and corporate AV systems

Key specifications

• Matrix Configuration: 4x4
• Video Inputs: 4 x HDMI (HDMI 2.0, HDCP 2.2)
• Video Outputs: 4 x HDMI (HDMI 2.0, HDCP 2.2)
• Max Resolution: 4K@60Hz (4:4:4)
• Data Rate: 18 Gbps per graphic channel
• Switching: Seamless with K-Fusion™
• Scaling: Built-in multi-scaler per output
• Audio Inputs: 4 x Unbalanced Stereo (3.5mm)
• Audio Outputs: 4 x Balanced Stereo (5-pin terminal block)
• Control: Front Panel, OSD, RS-232, Ethernet
• HDCP: 2.2
• Power: 12V DC, 5A
• Enclosure: Half 19" 1U rack-mountable

Recommendations

For optimal performance, use high-quality HDMI cables and ensure all connected devices support HDCP 2.2. The unit can be rack-mounted using an optional adapter. Refer to the user guide for detailed EDID management and scaling configuration.