Kramer Electronics DigiTOOLS VS-21DT - switch video/audio

The Kramer Electronics DigiTOOLS VS-21DT is a high-performance 2x1 DVI-D switcher with balanced stereo audio, designed for professional AV installations. It allows seamless switching between two DVI-D video sources with embedded or separate unbalanced stereo audio, supporting resolutions up to WUXGA (1920x1200) and 1080p. Ideal for conference rooms, classrooms, and digital signage, the VS-21DT features automatic switching (last connected or priority), manual control via front panel buttons, RS-232, or contact closure, and advanced EDID management for reliable plug-and-play operation.

Advantages

• Automatic and manual switching modes for flexible operation
• EDID capture from output or default EDID ensures compatibility
• Re-Klocking & Equalization technology maintains signal integrity over long cable runs
• Compact DigiTOOLS enclosure fits easily into any setup
• HDCP compliant for protected content

Suitable for

• Conference rooms and meeting spaces
• Educational institutions and classrooms
• Digital signage and retail displays
• Broadcast and production environments
• Any application requiring reliable DVI switching with audio

Key specifications

• Inputs: 2 x DVI-D, 2 x 3.5mm unbalanced stereo audio
• Outputs: 1 x DVI-D, 1 x 3.5mm unbalanced stereo audio
• Max Resolution: WUXGA (1920x1200) and 1080p
• Max Data Rate: 4.95Gbps (1.65Gbps per graphic channel)
• HDCP Compliance: Yes
• Control: Front panel, RS-232, contact closure
• Power: 12V DC, 200mA
• Enclosure: DigiTOOLS

Recommendations

For optimal performance, use high-quality DVI-D cables and ensure proper grounding. The VS-21DT is an excellent choice for integrating multiple DVI sources into a single display with audio switching.