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18Gbps 8×8 HDMI Matrix with ARC Function

4K60 4:4:4 Matrix Switcher with Independent Audio De-embedding & ARC

MMX-8X8AUDUPC 813982024199
18Gbps 8×8 HDMI Matrix with ARC Function
Available through our B2B portal
This part is sold to approved trade accounts.

Resellers, installers, schools and businesses. Approval is usually the same working day.

Overview

Centralized 4K60 HDMI switching with integrated audio management for multi-display environments. The KanexPro MMX-8X8AUD routes up to eight 18Gbps HDMI sources to eight independent displays at resolutions up to 4K2K@60Hz 4:4:4, with Dolby Vision, HDR10+, and HLG pass-through preserved end-to-end across every output.

Each output provides independent audio de-embedding via both analog (3.5mm) and coaxial (RCA) ports, while per-output ARC support extracts return audio from connected displays. A built-in 4K→1080p downscaler operates independently on each output, enabling mixed-resolution environments from a single matrix. Control options include front panel buttons with OLED display, IR remote, RS-232, TCP/IP, and a full-featured Web GUI with scene presets.

Key features
  • Routes 8 HDMI 2.0b sources to 8 HDMI displays at full 18Gbps bandwidth — 4K2K@60Hz 4:4:4
  • Dolby Vision, HDR10+, and HLG pass-through on every output
  • Audio de-embedding on all 8 outputs via analog (3.5mm L/R) and coaxial (RCA) ports
  • Per-output ARC extracts return audio from connected displays to coaxial output
  • Independent 4K→1080p downscaler per output enables mixed-resolution deployments
  • HDMI audio pass-through up to 7.1ch — LPCM, Dolby TrueHD, Dolby Atmos, DTS-HD Master, DTS:X
  • Smart EDID management with 21 factory presets, 2 user-defined, and 8 copy-from-output modes
  • Full control: front panel OLED, IR remote, RS-232, TCP/IP (LAN), and Web GUI with 8 scene presets
Specification
Technical
HDMI ComplianceHDMI 2.0b
HDCP ComplianceHDCP 2.2 and HDCP 1.4
Video Bandwidth18 Gbps
Video ResolutionUp to 4K2K@50/60Hz (4:4:4)
Color Depth8-bit, 10-bit, 12-bit
Color SpaceRGB, YCbCr 4:4:4 / 4:2:2 / 4:2:0
HDR FormatsHDR10, HDR10+, Dolby Vision, HLG
HDMI Audio (Pass-through)LPCM 2/5.1/7.1, Dolby Digital, DTS 5.1, Dolby Digital+, Dolby TrueHD, DTS-HD Master Audio, Dolby Atmos, DTS:X
Coax Audio FormatsLPCM 2.0, Dolby Digital / Plus, DTS 5.1
L/R Audio FormatsPCM 2.0
ESD ProtectionIEC 61000-4-2: ±8kV (air-gap) & ±4kV (contact)
Connection
Input8× HDMI Type A [19-pin female], 1× IR EXT [3.5mm Stereo Mini-jack]
Output8× HDMI Type A [19-pin female], 8× Coaxial Audio (RCA), 8× L/R Audio [3.5mm Stereo Mini-jack]
Control1× TCP/IP [RJ45] • 1× RS-232 [D-Sub 9]
Mechanical
HousingMetal Enclosure, Black
Dimensions440mm (W) × 200mm (D) × 44.5mm (H) — 1U
Weight2.8 kg
Power SupplyAC 100–240V 50/60Hz → DC 12V/5A
Power Consumption43W
Operating Temperature−10–45°C / 14–113°F
Storage Temperature−20–60°C / −4–140°F
Relative Humidity20–90% RH (non-condensing)
Cable Length
4K60Up to 16 ft / 5m
4K30Up to 32 ft / 10m
1080p60Up to 50 ft / 15m
Package Contents
1×18Gbps 8×8 HDMI Matrix
1×12V/5A Power Adapter
1×IR Remote
1×IR Receiver Cable (1.5m)
1×RS-232 Cable (1.5m, male to female)
2×Mounting Ears
1×Product Manual
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Buying for resale, a project, or your own site?

Trade accounts see net pricing, stock and one-click reorder from past jobs. Dealers, integrators, businesses, schools and public bodies all qualify. Approval is usually the same working day.