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Black Box Corporation

Black Box AC556A-R2 VGA Audio Repeater Kit 500 ft 1024 x 768

SKU CH-9Y0T-FD2ZV MPN AC556A-R2

Extends one VGA and audio source to four displays over 500 ft of CAT5/6 cable at 1024 x 768 resolution

  • Extender & Repeater TypeVideo Console/Extender
  • Resolution Support1024 x 768
  • SpecificationThis product works with: CAT5 Solid-Conductor Cable (EYN556M
  • FeatureIdeal for digital signage applications, such as exhibits, re
  • Package ContentLocal unit Remote unit 4 x rubber feet 6-ft. (1.8-m) male-to
  • Extend VGA and audio up to 500 ft over CAT5 cable
  • Drive four remote displays from one local source
  • Supports XGA resolution of 1024 x 768
  • Includes both local and remote units with cables
  • Works with solid-conductor CAT5 and VGA balun

VGA Audio Repeater Kit for Digital Signage

The Black Box AC556A-R2 extends one VGA source with stereo audio to four remote displays over standard twisted-pair cable. It targets installers who need reliable video distribution in retail exhibits, trade-show booths, or airport signage. The kit includes local and remote units plus all necessary cables and power supplies for immediate deployment.

CAT5 CAT6 Connectivity with Dual RJ45 Ports

Each unit provides two RJ45 ports that accept solid-conductor CAT5, CAT5e, or CAT6 cable for runs up to 500 ft. The local unit takes a single VGA input and the remote unit delivers four VGA outputs, simplifying cabling in ceiling or conduit installations. Rubber feet and 1.8 m cables allow flexible desktop or rack placement without additional hardware.

1024 x 768 XGA Resolution Limit

Maximum supported resolution is 1024 x 768 at XGA graphics modes, so the extender suits legacy PC sources and basic signage content but not high-definition or widescreen formats. Buyers requiring 720p, 1080p, or higher pixel counts must select a different extender class.

Highlights

  • Extend VGA and audio up to 500 ft over CAT5 cable
  • Drive four remote displays from one local source
  • Supports XGA resolution of 1024 x 768
  • Includes both local and remote units with cables
  • Works with solid-conductor CAT5 and VGA balun

Specifications

BrandBlack Box
ModelAC556A-R2
Extender & Repeater TypeVideo Console/Extender
Resolution Support1024 x 768
SpecificationThis product works with:
CAT5 Solid-Conductor Cable (EYN556MS, EYN550MS)
VGA Balun (AC640A)
FeatureIdeal for digital signage applications, such as exhibits, retail, trade shows, and airports.
Enables you to extend VGA and audio over ordinary CAT5, CAT5e, and CAT6 cable.
Both the local and the remote units support two monitors with speakers.
Package ContentLocal unit
Remote unit
4 x rubber feet
6-ft. (1.8-m) male-to-male audio cable
6-ft. (1.8-m) VGA male to VGA female cable
6-ft. (1.8-m) power cords, (2) power supplies
User's manual
Shipping weight2.82 kg
Package size381 × 381 × 381 mm

Questions about this item

Does the Cat5/5e/6 twisted-pair link cap the video at 1024 x 768?

Yes, the extender transmits VGA and audio over Cat5/5e/6 cable with a maximum resolution of 1024 x 768 at XGA graphics modes.

What rack or surface mounting hardware is included for the local and remote units?

Four rubber feet are supplied for desktop placement; no rack ears or wall brackets are in the box.

How are the local and remote units powered, and which cable is often missed during setup?

Each unit uses its own 6-ft power cord and supply; the 6-ft male-to-male audio cable linking the source to the local unit is the step most installers forget.

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