Roland V-4EX 4-Channel Digital Video Mixer with Effects

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Roland V-4EX 4-Channel Video Mixer With Advanced EFX

All-in-one SD 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.

The Roland V-4EX's versatility and unique features make it suitable for many applications, including clubs, concerts, worship, events, meetings, trainings, weddings, education, and sporting events. The V-4EX’s sleek and compact design lends itself to portable applications as well as permanent installations when size and space are considerations.

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.


  • 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 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 and Delay - up to 4 frames
  • USB Streaming Out for webstreaming


  • 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 channel
  • 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 channel
    • RGB (INPUT 4):
      • 640 x 480/60Hz, 800 x 600/60Hz, 1024 x 768/60Hz, 1280 x 768/60Hz, 1280 x 1024/60Hz, 1366 x 768/60Hz, 1400 x 1050/60Hz, 1600 x 1200/60Hz, 1920 x 1200/60Hz
      • *The refresh rate is the maximum value of each resolution.
      • *Conforms to VESA DMT Version 1.0 Revision 11.
      • *1920 x 1200/60Hz: 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 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 channel
    • 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 channel
    • 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 channel
  • 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 k ohms
  • 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 adaptor
    • Power Supply:
      • AC adaptor
    • Current Draw:
      • 2.0 A
    • Accessories:
      • AC adaptor, Power Cord, RCA - BNC conversion plug x 2, Owner's Manual
    • Dimensions:
      • 4.1 x 8.6 x 11.7" (105 x 225 x 296 mm)
    • Weight
      • 5.7 lb (2.6 kg)


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