Key-Digital KD-4x4CSK HDMI Matrix Switcher

Key-Digital KD-4x4CSK HDMI Matrix Switcher

Key-Digital KD-4x4CSK HDMI Matrix Switcher

Key-Digital KD-4x4CSK HDMI Matrix Switcher

Key-Digital KD-4x4CSK HDMI Matrix Switcher Back View

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Important Notice: This item is non-cancelable and non-returnable
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Expected availability: 3-7 business days 
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Product Highlights

  • Four HDMI Inputs and Outputs
  • Supports SD, HD, Ultra HD 4K, & DCI 4K
  • VESA Resolutions Supported
  • 4:2:2 and 4:4:4 Sampling
  • Push-Buttons on Front Panel
  • RS-232 and IR Control
  • IR Remote Control Included
  • HDCP Compliant
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B&H $1000 Giveaway

Share your most-wanted item with friends & family for chances to win a $1000 B&H Gift Card. It's that easy!

1 new winner announced every week!
Limit 1 entry per day; Come back every day to increase your chance of winning!

Be sure to mention #BHWishList when you share!

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Congrats to our winners so far — Mark P., Lauren K. & Daniel M.

Official Rules


NO PURCHASE IS NECESSARY TO ENTER OR WIN. The B&H $1,000.00 Giveaway (the "Giveaway" or "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 November 7, 2016 until on or about December 19, 2016 (the "Entry Period"). Entries received outside the Entry Period are void. Enter the Sweepstakes via either one of the following methods. (1) Share your most wanted item on Facebook or Twitter via the dedicated links found on the B&H Website (; 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 $1,000.00 Giveaway, 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 three (3) winners (each a "Winner"). Each Winner will receive a B&H Gift Card pre-valued in the amount of $1000.00. 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 to the e-mail 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.

Identity of Winners/Eligible Participants. Winners will be identified by the e-mail account associated with the Facebook or Twitter account from which their Entry was submitted or the email account provided with a mail-in entry. An e-mail account holder shall mean the natural person assigned to such e-mail account by the internet access or online service provider or other organization responsible for assigning e-mail addresses for the domain associated with such e-mail account. Any issues regarding the identity of a Winner shall be resolved by Sponsor in its sole discretion. The Sweepstakes is only open to residents of the United States that are at least eighteen (18) years of age on their entry date and is not open to employees of Sponsor, their immediate family, any person domiciled with such employees, or any affiliates or subsidiaries of Sponsor.

Entry Ownership/Entrant Agreements. Entrants retain full ownership and copyrights to their Submission. However, by entering the Sweepstakes entrants grant Sponsor permission to use their Entries for promotional purposes on their respective social media channels with proper credit. Entrants also agree: (a) to be bound by these Official B&H $1,000.00 Giveaway Rules; (b) that any claims related to this Sweepstakes shall be resolved individually without resort to any form of class action and that awards, shall be limited to actual out-of-pocket costs incurred in entering the Sweepstakes, and shall not include incidental or consequential damages or attorneys fees; and (c) that any actual or perceived ambiguities in these rules shall be interpreted by Sponsor in their sole discretion.

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 $1,000.00 Giveaway, 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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$0.00 Tax Collected Outside NY

You Pay: $800.00

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  • 1Description

Route up to four HDMI inputs to four HDMI outputs with the Key Digital KD-4x4CSK HDMI Matrix Switcher. The KD-4x4CSK supports resolutions from SD all the way up to DCI 4K, facilitating high-end multi-zone presentations of advanced digital imagery, motion pictures, and video walls. Each output can have the audio routed to a separate discrete 3.5mm analog stereo output, or digital SPDIF over RCA.

Control over this unit can be assumed through direct front panel access, IR with the included remote control, and RS-232 if part of a larger installation. The included rack ears can be used to mount the KD-4x4CSK in one standard rack space with other professional equipment. To ensure that your HDMI cables remain securely attached to the unit, eight HDMI lacing clips are also included.

Wide Resolution Support
Supports SD, HD, and VESA (VGA, SVGA, XGA, WXGA, SXGA, UXGA) resolutions up to DCI 4K (4096 x 2160 60 [4:2:0] and 30/25/24 [4:4:4])
Audio De-Embedding
Audio from the selected HDMI input may be de-embedded through the coax digital (PCM) or analog L/R audio output
Frame Buffer
The Full Buffer System manages TMDS reclocking/signal re-generation, HDCP authentication to source and display, and EDID control handshake
EDID Support
Internal library stores 15 default EDID configurations for input, in addition to native EDID data for any output/display
HDCP and Licensing
Fully licensed and compatible with HDMI up to 4K UHD/60 fps and HDCP 1.0 to HDCP 1.4 technologies. For HDCP 2.2 sources, use the separately available KD-HDFIX22 in conjunction with this product.
Versatile Control Options
Front panel buttons/LEDs, Serial IR, Optical IR, and RS-232 control, including discrete power on/off via IR and RS-232.
UPC: 819505001838
In the Box
Key-Digital KD-4x4CSK HDMI Matrix Switcher
  • Power Supply
  • Remote Control
  • 8 x HDMI Lacing Clips
  • Rack Ears
  • Limited 10-Year Warranty
  • Table of Contents
    • 1Description
    Inputs 4 x HDMI, type A
    Outputs 4 x HDMI, type A
    4 x 3.5 mm Analog stereo audio output
    4 x RCA SPDIF output
    TMDS Bandwidth 10.2 Gbps
    Deep Color Support Supports digital video formats in Deep Color mode up to 12-bit/color with all HDMI and HDCP technologies
    Signal Voltage DDC: 5 V
    HDMI: 1.2 Vpp
    Power Supply 12 V, 2 A
    Compliance CE, RoHS, WEEE
    Dimensions 17.3 x 7.5 x 1.8" / 438 x 191 x 44 mm
    Rack Units: 1 RU
    Weight 5.2 lb / 2.3 kg

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