NTI VOPEX 4-Port USB KVM + Audio (Local Unit)
VOPEX-C5USBVA-4
Save $46.76
Transmitter or Receiver: 4-Port Transmitter 
The VOPEX¨ VGA USB KVM Splitter/Extender allows 4remote users (4 USB keyboards, mice, and VGA monitors) to access one USB computer (PC, SUN, MAC) located up to 1,000 feet away using CAT5/5e/6 cable. Audio can be broadcasted to self-powered stereo speakers at the local unit and each remote location.
The VOPEX VGA USB KVM Splitter/Extender system has two components: the VOPEX-C5USBVA-x broadcast unit, which connects to a computer and provides local keyboard, monitor and mouse connections; and an XTENDEX¨ ST-C5USBVA-R-1000S remote unit (sold separately) for each remote monitor, keyboard, and mouse. The units are interconnected by CAT5/5e/6 cable.
For additional remote USB port support please see VOPEX-C5USBVUA-4 (local extender) and ST-C5USBVUA-R-1000S (remote unit), see also related products.- Industry-leading ultra-high resolutions up to 2048x1536.
 - Compatible with USB computers (PC, SUN, MAC).
 - Access one computer from multiple locations.
 - Provides local KVM access.
- The local USB ports can also be used to connect printers, scanners, security cameras, etc
 
 - Multiple users can enter data into the same program.
 - Easily expandable. Add remote units as you add users.
 - Supports DDC emulation and mixing.
- DDC mixing provides a table of resolutions that are common to each connected monitor).
 
 - Compliant with USB 2.0 (low/full speed) standards.
 - Automatically adjust video quality and color skew for crystal clear video with longer cables.
 - Supports Plug-n-Play specifications.
 - Built-in surge protection.
 - Optional support for remote USB touch screen monitors, CAC card readers, or interactive whiteboards.
 - High quality, rugged steel construction with durable powder coat finish.
 - Flash upgradeable.
 

NTI VOPEX-C5USBVA-4 Specifications
| Mechanical | |
| Height | 1.09 in. (2.76 cm) | 
| Width | 7.35 in. (18.66 cm.) | 
| Depth | 5 in. (12.7 cm.) | 
| Host Connection | |
| Connectors | 1 male 15-pin HD  1 female USB type B 1 female 3.5mm stereo audio  | 
| Input Impedance | 75 Ohms | 
| Support | USB Computer (PC, SUN, MAC) | 
| Platform Support | Windows 2000/XP/Vista/7, Windows Server 2000/2003/2008, Solaris, Linux, FreeBSD, and MAC OS 9/10 | 
| Local Access | |
| Video resolution | 2048x1536 | 
| Connector | 1 female 15pin HD 1 3.5mm stereo audio plug 2 female USB Type A  | 
| Audio | |
| Frequency Response | 20Hz to 20 kHz, ±1 dB | 
| Signal-to-Signal Ratio | 76 dBA | 
| Stereo crosstalk | -70db | 
| Total Harmonic Distortion and Noise | 0.017% | 
| Power | 110 to 220 VAC at 50 or 60 HZ via AC Adapter | 










