SmartAVI SDX-XT-4P Quad Head DVI-D USB 2.0 and Audio KVM CAT5/6 Extender
Securely extend your multi-monitor computer systems up to 500 feet with the SmartAVI SDX-XT-4P Quad Head KVM Extender. This robust solution transmits quad DVI-D video, full USB 2.0 peripheral support, and stereo audio signals using four inexpensive CAT5/5e/6 cables. It's optimized for Full HD monitors, ensuring crystal-clear picture quality essential for detail-driven work in control rooms or centralized management environments. The system maintains constant keyboard and mouse emulation, guaranteeing uninterrupted workflow during critical operations, and keeps noisy computers away from sensitive areas.
$1272.66
Owner Satisfaction
4.4
/ 5
Category Rank
389
/ 1363
#389 in KVM Switches
Price vs Category Average
+17%
Above average
Video Format
DVI-D (HDMI-ready with adapter)
/ DVI-D (HDMI-ready with adapter)
Who it's for
- Seamless Multi-Monitor Control
- Cost-Effective Installation
- Comprehensive Peripheral Support
Who should skip it
- DVI-D Resolution Cap
- Complex Cable Management
- Premium Price Point
Key Specs
Video Format
DVI-D (HDMI-ready with adapter)
Maximum Resolution
1920 x 1200 @ 60 Hz
Extension Distance
Up to 500 feet using CAT5/5e/6 cables
Latency
Less than 1 ms
USB Support
Transparent USB 2.0 extension and USB 1.1 for KM devices
Audio Format
Stereo via 3.5 mm Jack Socket
Color Depth
24-bit
Approvals
UL, CE, ROHS Compliant
Features
- Extends quad DVI-D signals up to 500 feet
- Supports transparent USB 2.0 extension
- Maintains uninterrupted keyboard and mouse emulation
- Includes stereo sound extension capability
- Performs automatic DDC Learning for optimal setup
- Delivers uncompressed video signal quality
- Supports HDCP compliance
- Uses inexpensive CAT5/5e/6 cabling
What customers say
The SmartAVI SDX XT 4P is recognized as a high quality, mission critical tool. Its exceptional reliability in extending quad head DVI and USB signals over long distances using standard CAT5/6 infrastructure is the standout feature. Although the price is premium, users confirm that the stable, uninterrupted signal transmission justifies the investment. This makes the device a strong value proposition for professional settings. While initial setup demands attention, the resulting dependable performance is highly valued by consumers.
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$1273