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Roland System Group V-4EX
Video Mixer with HDMI I/O, Streaming USB Out, Built-In Multiviewer


The Roland V-4EX is an all-in-one video mixer with HDMI in/out, USB streaming out, and built-in multiviewer with touch control.
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Roland System Group V-4EX 1
Roland System Group V-4EX 2
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Roland System Group V-4EX 4
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Roland System Group V-4EX
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The Roland V-4EX is an all-in-one video mixer with HDMI in/out, USB streaming out, and built-in multiviewer with touch control.

The Roland V-4EX advances the industry-standard Roland V-4 four-channel video mixer by incorporating HDMI inputs/outputs, USB streaming, HDCP support, built-in touch multi-viewer, and audio embedding.  These features are added to the strong primary feature set including built-in effects and unique user interface that has made the V-4 one of the besting selling video mixers of all time.

Roland V-4EX Applications:

  • Concerts
  • Houses of Worship
  • Events
  • Clubs (VJs)
  • Business
  • Sports
  • Weddings
  • Educational Institutions

In addition to a number of powerful video effects, the user interface incorporates dial controls for effects on each bus and master output dial.  The innovative design incorporates a video switcher, audio embedding, preview monitor and streaming-ready USB output all in a single unit.  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 (1920x1200).  Although internal processing is SD-based, the output can be scaled up to 1080p or 1920x1200.

Roland V-4EX Features:

  • 3 Input (HDMI/Composite) + 1 Input (Up to1080pHDMI/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 touch control
  • Built-in frame synchronizers on all inputs
  • Scalers on CH 4 and Output
  • 259 Transitions 148 Effects
  • HDCP compliant
  • Audio Embedding
  • Audio Mixer & Delay -up to 4 frames
  • USB Streaming Out for web streaming

Roland V-4EX Specifications:


  • 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): 480/59.94p (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 480/60Hz, 800 x 600/60Hz, 1024 x 768/60Hz, 1280 x768/60Hz, 1280 x 1024/60Hz, 1366 x 768/60Hz, 1400 x 1050/60Hz, 1600 x1200/60Hz, 1920 x 1200/60Hz
    *The refresh rate is the maximum value of each resolution.
    *Conforms to VESA DMT Version 1.0 Revision 11.
    *1920 x1200/60Hz : Reduced blanking 
  • 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 x768, 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 anon-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, 75Hz 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, MotionJPEG 
  • USB Audio: Linear PCM, 16 bits/48 kHz, 2 ch. 

Input Connectors:

  • Video:
    • HDMI: Type A (19 pins) x4 (INPUT 1 -- 4)
    • RGB/Component: HDDB-15 type x1(INPUT 4)
    • Composite: BNC type x4 (INPUT 1 -- 4)
    • S-Video:4-pin mini DIN type x1 (INPUT 4) 
  • Audio: RCA-pin type x1 pair (AUDIO IN) 

Output Connectors:

  • Final Output:
    • HDMI: Type A (19 pins) x1 (OUTPUT)
    • RGB/Component: HDDB-15 type x1 (OUTPUT)
    • Composite: BNC type x1 (OUTPUT) 
  • Preview Output: HDMI: Type A (19 pins) x1 (PVW OUT) 
  • Other Connectors;
    • MIDI: 5 pins DIN type x2 (IN, OUT/THRU)
    • USB: B type x1 (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: + 8dBu
    • Impedance: 15 k ohms 

Additional Specifications:

  • Display: Graphic Color LCD, 320 x 240 dots, touch panel 
  • Video Effects:
    • Transition: Mix, Cut, Wipe (259patterns)
    • Composition/Filter: Picture in Picture, Luminance Key, ChromaKey, Strobe, Negative, Colorize, Feedback, Emboss, Multi, Mirror etc. (148types)
    • Others: Output Fade, Freeze 
  • Power Supply: AC adaptor 
  • Current Draw: 2.0 A 
  • Accessories: AC adaptor, Power Cord, RCA - BNC conversion plug x 2, Owner's Manual 
  • Dimensions (WxDxH): 8-7/8" x 11-11/16" x 4-3/16" (225 x 296 x 105 mm) 
  • Weight: 5 lbs. 12 oz. (2.6 kg)

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