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14-Input Multi-Format Presentation Switcher with Stereo Audio


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The VP-28 is a high-performance multi-format presentation switcher for composite video, HDMI, DVI, DisplayPort, computer graphics video and stereo audio and micrphone signals. The unit operates as a a 3x1 composite video, 3x1 HDMI, 3x1 computer graphics video, 3x1 DVI-I, & 2x1 DisplayPort switcher, each with unbalanced stereo audio.

Features & Benefits

  • Max. Data Rate - 6.75Gbps (2.25Gbps per graphic channel) (HDMI & DVI).
  • HDTV Compatible.
  • Level Controls - Master audio output, microphone input.
  • Condenser or Dynamic Microphone - Button selectable.
  • Microphone & Audio Mixing - Input selectable master audio output.
  • Flexible Control Options - Front panel, RS-232, Ethernet & IR (included).
  • Mic Talkover - Mutes master audio output when mic signal is sensed.
  • Front Panel Control Lockout.
  • Worldwide Power Supply - 100-240V AC.
  • Standard 19" Rack Mount Size - 1U. Rack "ears" included.
  • HDCP Compliant.
  • Audio Level Memory - Remembers and returns to the last audio level setting during switching.
  • Accessory - DVI to DVI and VGA breakout cable (included).
Product Use Diagram

Product Specifications

Video Inputs3 composite video on RCA connectors; 3 HDMI connectors; 2 DisplayPort connectors; 3 PC/DVI on DVI connectors
Audio Inputs1 mic on an XLR connector; 1 mic on a 6.3mm phone jack connector (3mV/10kW condenser/dynamic); 3 CV, 3HDMI, 2 DP, 3 PC audio, 3 DVI, all unbalanced stereo audio on 3.5mm mini jack connectors
Video Outputs1 composite video on an RCA connector; 1 HDMI connector; 1 DisplayPort connector; 1 PC/DVI on a DVI connector
Audio Outputs1 CV, 1 HDMI, 1 DP, 1 PC audio, 1 DVI, all unbalanced stereo audio on a 3.5mm mini jack connectors; 1 master balanced stereo audio on a 5-pin terminal block
Max Output LevelVideo: CV: 1.7Vpp, XGA: 2.3Vpp; Audio: Master: 17Vpp from mic, 12.4Vpp from line in, Local outputs: 8.8Vpp from line inputs
BandwidthVideo: CV: 680MHz, XGA: 290MHz (-4dB 400MHz); Audio: >25kHz
Diff. GainVideo: CV: 2.5%; XGA: 0.1%
Diff. PhaseCV: 0.4Deg; XGA: 0.1Deg
K-FactorCV: <0.05%; XGA: <0.05%
S/N RatioVideo: CV: 74dB, XGA: 71dB @5MHz; Audio: Master: 81dB from mic (@20mVpp input, 17Vpp output diff, "A" weighting, XLR microphone), 90 to 95dB from line in ("A" weighting), Local outputs: 110dB ("A" weighting)
Crosstalk @ 1kHzVideo: CV: -54dB, XGA: -56dB (5MHz); Audio: Master: -70dB, Local outputs: -80dB from line in
ControlsMASTER: <-12 to 70dB from mic; -79 to +15dB from line in
CouplingVideo: CV: DC, XGA: DC; Audio: AC
Audio THD + NoiseMaster: 0.4% from mic, 0.02% from line in ("A" weighting); Local outputs: 0.04% from line in
Audio 2nd HarmonicMaster: 0.03% from mic, 0.01% from line in; Local outputs: 0.02%
Max Bandwidth DP to HDMIOne or two lane (1.65Gbps per lane)
Power Consumption90-264V AC; 23VA
Operating Temperature32° to 104°F (0° to +40°C)
Storage Temperature-40° to 158°F (-40° to +70°C)
Humidity10 - 90% Non-condensing
Product Dimensions W, D, H19" x 7.20" x 1U (43.6cm x 18.30cm 4.36cm)
Product Weight4.0 lbs. (1.8 kg)