Kramer VM-4UX 1:4 4K 12G-SDI Distribution Amplifier

Kramer VM-4UX 1:4 4K 12G-SDI Distribution Amplifier

Kramer VM-4UX 1:4 4K 12G-SDI Distribution Amplifier


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Product Highlights

  • Supports up to 4K (4:2:2) Video
  • 1 x BNC Input & 4 x BNC Outputs
  • Extends 4K to 263' / 3G & 6G HD to 328'
  • Embedded Audio & Metadata Pass-Through
  • Auto-Adapting from 270 Mb/s to 12 Gb/s
  • Data Rate Status & Power LEDs
  • Wide SMPTE Compliance
  • Compact, Fanless Design
  • Mount Bracket & 2 Terminators Included
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Official Rules


NO PURCHASE IS NECESSARY TO ENTER OR WIN. The B&H $500.00 Gift Card Dash (the "Sweepstakes") is void where prohibited by law and is sponsored by B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 ("Sponsor"). It is not sponsored or endorsed by Facebook or Twitter in any way.

Entry Period/Methods of Entry. The Sweepstakes will run from on or about October 28, 2018 until on or about December 23, 2018 (the "Entry Period"). Entries received outside the Entry Period are void. Enter the Sweepstakes via either one of the following methods. (1) Share any product found on the B&H website (the "Website") on Facebook or Twitter via the dedicated links contained on the website using the hashtag #BHWishlist; or (2) Mail a postcard (postmarked during the Entry Period) containing your name, address, phone number, and email address, and indicate the subject(s), if any, about which you are interested in receiving future emails from B&H (e.g. photo, video, audio, computers, home theater, portable entertainment ) (optional) to: B&H $500.00 Gift Card Dash Sweepstakes, c/o B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 (either option, an "Entry"). Entries must not, in the sole and absolute discretion of the Sponsor, contain obscene, provocative, defamatory, sexually explicit, or otherwise objectionable or inappropriate content. Entries deemed by Sponsor to be inappropriate will be disqualified. Entries owned by a third party, or the use of any trademarks, service marks, logos, brands, or products owned by a third party are not acceptable for entry into the Sweepstakes. Limit 1 entry per person, per day.

Winner Selection/Prizes/Odds. The B&H Social Team will randomly select a winner from among all eligible entries every Monday during the Entry Period, for a total eight (8) winners (each a "Winner"). Each Winner will receive a B&H Gift Card pre-valued in the amount of $500.00. No cash or other substitutions will be offered. Winner selection is in the sole and absolute discretion of the B&H Social Team. Any taxes are the sole responsibility of the winner. Winners will be notified and receive their prize at the email address associated with the account to which their Entry was posted or the email account provided with a mail-in entry. The odds of winning depend on the number of eligible entries received.

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Limitation of Liability/Sponsor Modification/Cancellation Rights/ Choice of Law/ Venue/ Winners List. Sponsor is not responsible for incomplete entries or for failure to receive entries due to technical failures or human error of any kind. Winners agree that Sponsor will have no responsibility for losses or damage of any kind resulting from the acceptance, possession, or use of the prizes. Except where prohibited, participation in the Sweepstakes constitutes entrant's consent to the publication of his or her name by Sponsor in any media for commercial or promotional purposes without limitation or further compensation subject to Sponsor's respective Privacy Policies. Sponsor may modify or discontinue the Sweepstakes at any time and may disqualify from the Sweepstakes any person it determines, in its sole discretion, to have attempted to or actually tampered with or otherwise abused any aspect of the Sweepstakes. Entrants agree that in the unlikely event a dispute arises in connection with this Sweepstakes, it will be governed by the laws of the State of New York and heard exclusively in a court of applicable jurisdiction in the County and State of New York irrespective of any choice of law provisions to the contrary. To receive names of the winners by U.S. mail, please mail a self-addressed stamped envelope to: B&H Foto & Electronics Corp., Attn: B&H $500.00 Gift Card Dash Sweepstakes, 440 Ninth Avenue, New York, NY 10001. Any Winners List request must be received by B&H within one (1) year of the date the Sweepstakes is conducted.

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Kramer VM-4UX overview

  • 1Description

The Kramer VM-4UX 1:4 4K 12G-SDI Distribution Amplifier is a 4K-compatible DA supporting up to 12G/HD/SD-SDI video signals. This DA unit takes one input, provides reclocking and equalization, and distributes the signal to four identical outputs. The VM-4UX's data transmission auto-adapts at rates from 270 Mb/s to 12 Gb/s. Signals are supported up to 263' for 12G 4K, 328' for 3G and 6G HD, 657' for 1.5G HD, and 984' for SD video.

Features of the Kramer VM-4UX include power and transmission-rate LED status indicators, BNC connectors, and pass-through of standard embedded audio and ID information/metadata. This fanless, compact DA is compliant with a host of SMPTE standards, which are listed below.

  • Maximum data rate 12 Gb/s, auto-adapting
  • Broadcast quality transmission
  • Input equalization and output reclocking supports the digital signal over extended distances
  • BNC connectors
  • Power, and input/output data rate LED indicators
  • Compact, fanless form factor can be ceiling or rack-mounted
SMPTE Compatibility
  • SDI (SMPTE 259M)
  • HD-SDI (SMPTE 292M)
  • 344M (ED-SDI)
  • 3G/HD-SDI (SMPTE 424M)
  • ST-2081 (6G-SDI)
  • ST-2082 (12G-SDI)
In the Box
Kramer VM-4UX 1:4 4K 12G-SDI Distribution Amplifier
  • Power Supply
  • Mounting Bracket
  • 2 x Male BNC 75-Ohm Terminator
  • Limited 7-Year Warranty
  • Table of Contents
    • 1Description

    Kramer VM-4UX specs

    Inputs 1 x BNC: 12G/HD/SD-SDI, 75 Ohms
    Output 4 x BNC: 12G/HD/SD-SDI, 75 Ohms
    Cable Equalization 12 Gb/s: 263' (80 m)
    3 Gb/s, 6 Gb/s: 328' (100 m)
    1.5 Gb/s: 657' (200 m)
    SD: 984' (300 m)

    Note: When using Kramer cables
    Maximum Video Resolution 4K, 60 Hz (4:2:2) 30 bpp
    Data Rate 270 Mbps to 12 Gb/s
    Maximum Output Level 800 m Vpp, 75 Ohms
    Coupling AC
    Standards Compliance ST-2082 (12G-SDI)
    ST-2081 (6G-SDI)
    424M (3G/HD-SDI)
    344M (ED-SDI)
    SMPTE 292M (HD-SDI)
    SMPTE 259M (SD-SDI)
    Power Consumption 5 VDC, 250 mA
    Power Source 5.2 V, 4 A
    Enclosure Aluminum
    Operating Temperature 32 to 104°F (0 to 40°C)
    Storage Temperature -40 to 158°F (-40 to 70°C)
    Humidity 10 to 90%, RHL non−condensing
    Dimensions (W x D x H) 4.72 x 2.81 x 0.96" (12.0 x 7.15 x 2.44 cm)
    Weight 7.1 oz (200 g)
    Packaging Infoexexdeuutfzfbctwycaexvtz
    Package Weight 1.4 lb
    Box Dimensions (LxWxH) 9.2 x 5.2 x 3.6"

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