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Roland V-4EX 

4-Channel Digital Video Mixer with Touschscreen Multi-Viewer

  • Description
  • Specifications
  • Reviews/Ratings

One of the best selling video mixers of all time!

Roland's V-4EX is a compact, all-in-one 4-channel digital video mixer that's packed with features that make it easy to handle any video production. This mixer boasts HDMI/SDI inputs and outputs, USB streaming, HDCP support, built-in touchscreen multi-viewer, audio embedding, built-in effects, and a unique, easy-to-use interface, making this a perfect choice for houses of worship, education, video conferences, and concerts.

Inputs one to three feature composite (BNC) or HDMI while input four accepts HDMI, RGB/Component or S-video. The output features scaled-up HDMI, RGB/component, or SD composite with an additional HDMI output for external preview monitor. The Roland V-4EX features a stereo RCA audio input allowing you to embed audio into the HDMI outputs and USB stream, which are especially useful for web streaming and recording applications. As a USB Video/Audio class device, web streaming is effortless by simply connecting to a computer running a live streaming service. You can also record the output using Roland's free Video Capture for Windows software or by using Quicktime on a Mac.

Designed to be a live production switcher and web streaming device, the Roland V-4EX features audio embedding, built-in audio mixer with up to 4 frames delay to "lipsync" your video source. It supports HDCP video allowing you to mix copyright protected material such as game consoles and Blu-ray content in your live production. HDMI inputs one to three accept video resolutions up to 480p/576p and HDMI input four accepts resolutions up to 1080p and RGB up to WUXGA (1920 x 1200). Although internal processing is SD-based, the output can be scaled up to 1080p or 1920 x 1200.

Roland V-4EX Features:

  • 3 input (SD HDMI/Composite) + 1 input (up to 1080p HDMI/RGB/Component/Composite)
  • PGM Output (up to 1080p HDMI + RGB/Component + Composite) + PVW Output (PVW/Multiviewer)
  • 480p/576p progressive internal processing
  • Built-in multiviewer with touchscreen control
  • Built-in frame synchronizers on all inputs
  • Scalers on CH 4 and output
  • 259 transitions, 148 effects
  • HDCP compliant
  • Audio embedding
  • Audio mixer and delay up to 4 frames
  • USB streaming out for webstreaming
Specifications for the Roland V-4EX
  • Processing:
    • Video Processing: 4:2:2 (Y/Pb/Pr), 8 bits (internal processing: 480/59.94p when set to NTSC, 576/50p when set to PAL)
    • Audio Processing: Sampling rate - 24 bits/48 kHz, 2 ch
  • Input Formats:
    • HDMI Video (INPUT 1 - 3): requires 720x480/59.94p (when set to NTSC), 576/50p (when set to PAL)
    • HDMI and Component Video (INPUT 4): 480/59.94i, 480/59.94p, 720/59.94p, 1080/59.94i, 1080/59.94p (when set to NTSC), 576/50i, 576/50p, 720/50p, 1080/50i, 1080/50p (when set to PAL)
    • HDMI Audio (INPUT 1 - 4): Linear PCM, 24 bits/48 kHz, 2 ch
    • RGB (INPUT 4): 640 x 480/60 Hz, 800 x 600/60 Hz, 1024 x 768/60 Hz, 1280 x 768/60 Hz, 1280 x 1024/60 Hz, 1366 x 768/60 Hz, 1400 x 1050/60 Hz, 1600 x 1200/60 Hz, 1920 x 1200/60 Hz
    • Composite Video (INPUT 1 - 4): NTSC, PAL
    • S-Video (INPUT 4): NTSC, PAL
  • Output Formats:
    • HDMI and RGB/Component Video (OUTPUT): 480/59.94i, 576/50i, 480/59.94p, 576/50p, 720/59.94p, 720/50p, 1080/59.94i, 1080/50i, 1080/59.94p, 1080/50p, 640 x 480, 800 x 600, 1024 x 768, 1280 x 768, 1280 x 1024, 1366 x 768, 1400 x 1050, 1600 x 1200, 1920 x 1200
      • The output format of HDMI and RGB/Component is always the same.
      • When an interlaced format is selected, component signal is output from the RGB/COMPONENT connector.
      • When a non-interlaced format is selected, RGB signal is output from the RGB/COMPONENT connector.
      • The refresh rates of RGB format is 60 Hz when set to NTSC, 75 Hz when set to PAL (excluding 1600 x 1200 and 1920 x 1200. The refresh rate of these 2 is 75 Hz when set to PAL.)
      • RGB formats : Conforms to VESA DMT Version 1.0 Revision 11.
      • 1920 x 1200/60Hz : Reduced blanking
    • HDMI Audio (OUTPUT): Linear PCM, 24 bits/48 kHz, 2 ch
    • Composite Video: NTSC, PAL
    • Preview Video (PVW OUT): 480/59.94p when set to NTSC, 576/50p when set to PAL
    • Preview Audio (PVW OUT): Linear PCM, 24 bits/48 kHz, 2 ch
    • USB Video: 720 x 480 when set to NTSC, 720 x 576 when set to PAL, Motion JPEG
    • USB Audio: Linear PCM, 16 bits/48 kHz, 2 ch
  • Input Connectors:
    • Video:
      • HDMI: Type A (19 pins) x 4 (INPUT 1 -- 4)
      • RGB/Component: HD DB-15 type x 1(INPUT 4)
      • Composite: BNC type x 4 (INPUT 1 -- 4)
      • S-Video: 4-pin mini DIN type x 1 (INPUT 4)
    • Audio: RCA-pin type x 1pair (AUDIO IN)
  • Output Connectors:
    • Final Output:
      • HDMI: Type A (19 pins) x 1 (OUTPUT)
      • RGB/Component: HD DB-15 type x 1 (OUTPUT)
      • Composite: BNC type x 1 (OUTPUT)
    • Preview Output: HDMI Type A (19 pins) x 1 (PVW OUT)
    • Other Connectors:
      • MIDI: 5 pins DIN type x 2 (IN, OUT/THRU)
      • USB: B type x 1 (for streaming and remote control)
  • Signal Level Impedance:
    • RGB/Component:
      • Signal Level: 1.0 Vp-p (luminance), 0.7 Vp-p (chroma)
      • Impedance: 75 Ohms
    • Composite:
      • Signal Level: 1.0 Vp-p
      • Impedance: 75 Ohms
    • S-Video:
      • Signal Level: 1.0 Vp-p
      • Impedance: 75 Ohms
    • Analog Audio:
      • Nominal Input Level: - 10 dBu
      • Maximum Input Level: + 8 dBu
      • Impedance: 15 kOhms
  • Others:
    • Display: Graphic Color LCD, 320 x 240 dots, touch panel
    • Video Effects:
      • Transition: Mix, Cut, Wipe (259 patterns)
      • Composition/Filter: Picture in Picture, Luminance Key, Chroma Key, Strobe, Negative, Colorize, Feedback, Emboss, Multi, Mirror etc. (148 types)
      • Others: Output Fade, Freeze
    • Power Supply: AC adapter
    • Current Draw: 2.0 A
    • Accessories: AC adapter, power cord, RCA - BNC conversion plug x2, Owner's Manual
  • Dimensions: 8-7/8" W x 11-11/6" D x 4-3/16" H
  • Weight: 5 lbs 12 oz (2.6 kg)
Overall Rating:  N/A Number of Reviews: 0
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