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Overview

HDMI 2.0 & HDCP 2.2 compliantSupports resolutions up to 4K@60Hz 4:4:418Gbps video bandwidth

4K HDBaseT 8x8 HDMI™ Extender Matrix – 300ft (Cat6) (UHD88-EXB300-K)

Model: UHD88-EXB300-K
Web Code: 16597367
Sold and shipped by | 4.3 seller rating (19 reviews)

Available for deliveryAvailable online only

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Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

The UHD88-EXB300-K is an 8x8 HDMI matrix extender featuring 8 HDMI inputs and 8 mirrored HDBaseT outputs alongside 8 local HDMI outputs—enabling connection to up to 16 displays. It supports video resolutions up to 4K@60Hz 4:4:4 with full compliance to HDMI 2.0 and HDCP 2.2 standards, and offers a bandwidth of 18Gbps for uncompressed transmission. Each HDBaseT output extends video signals up to 300 feet over a single CAT5e/6/7 cable. The matrix includes independent 4K-to-1080p downscaling per output, along with support for HDR10, HDR10+, Dolby Vision, and HLG. Audio extraction is available via both analog and coaxial outputs. Control options include front panel buttons, IR remote, RS-232, LAN, and WebGUI, with advanced EDID management, CEC support, and Power over Cable (PoC) technology for streamlined installation. The UHD88-EXB300-K is built for professional-grade AV routing in commercial, educational, and digital signage applications.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Information about the manufacturer’s availability guarantee can be found .

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Quebec
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Home theatre accessories
Return/Exchange Period
30 days
Condition
Opened

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