KAMEHA KA266 16×16 HDMI Matrix Switch V2.0 with ARC (4K@60Hz 18Gbps)

Product Introduction

The KAMEHA KA266 16×16 HDMI Matrix is a high-performance 18Gbps AV distribution solution designed for professional and large-scale installations. It supports transmission of ultra-high-definition video up to 4K2K@60Hz (YUV 4:4:4) and multi-channel high-resolution digital audio from 16 HDMI sources to 16 HDMI displayssimultaneously.

Equipped with independent 4K to 1080P downscaling, ARC support, and coaxial audio de-embedding, the KA266 delivers maximum flexibility and compatibility in complex AV environments. With multiple control options including Front Panel, IR, RS-232, LAN, and Web GUI, it ensures seamless integration into enterprise AV systems.

Product Description

The KA266 HDMI Matrix is engineered for mission-critical AV distribution such as hotels, command centers, digital signage networks, conference venues, and control rooms.

It supports full 18Gbps HDMI 2.0b bandwidth and advanced HDR formats including:

• HDR10

• HDR10+

• Dolby Vision

• HLG

Each of the 16 HDMI outputs supports independent 4K→1080P downscaling, allowing mixed-resolution display systems without compatibility issues.

The system also supports:

• HDMI audio pass-through up to 7.1CH HD audio

• Coaxial audio de-embedding for each output

• ARC (Audio Return Channel) extraction to coax output

• Smart EDID management

• CEC control

Designed in a 1U rack-mountable chassis with front OLED display, the KA266 is ideal for professional AV rack installations.

Key Features / Bullet Points

Video Performance

16 HDMI Inputs × 16 HDMI Outputs
Supports up to 4K@60Hz (YUV 4:4:4)
18Gbps HDMI 2.0b bandwidth
HDR10, HDR10+, Dolby Vision, HLG supported
Independent 4K → 1080P Downscaler per output

Audio Capabilities

HDMI Pass-through up to 7.1CH HD Audio
Supports Dolby TrueHD & DTS-HD Master Audio
Dolby Atmos & DTS:X compatible
16× Coaxial audio outputs
ARC audio extraction to coax

System & Control

HDMI 2.0b / HDCP 2.2 / DVI 1.0 compliant
Smart EDID management
ARC & CEC supported
Front panel OLED display
Control via:

• Front panel buttons

• IR remote

• RS-232

• LAN (TCP/IP)

• Web GUI

Professional Design

1U rack mount design
Metal enclosure
Designed for stable 24/7 operation

Technical Specifications

Video

• HDMI Version: HDMI 2.0b

• HDCP: 2.2 / 1.x

• Max Resolution: 4K2K@60Hz (4:4:4)

• Video Bandwidth: 18Gbps

• Color Space: RGB / YCbCr 4:4:4 / 4:2:2 / 4:2:0

• Color Depth: 8 / 10 / 12-bit

Audio

• HDMI Formats:
  LPCM 2/5.1/7.1
  Dolby Digital / Dolby TrueHD
  DTS 5.1 / DTS-HD Master Audio
  Dolby Atmos / DTS:X

• Coaxial Audio:
  LPCM 2.0
  Dolby Digital / Plus
  DTS 5.1

Connectivity

• 16× HDMI Input (Type A)

• 16× HDMI Output (Type A)

• 16× Coaxial Audio Output (RCA)

• 1× TCP/IP (RJ45)

• 1× RS-232 (D-Sub 9)

Mechanical

• Housing: Metal

• Color: Black

• Dimensions: 440 × 200 × 44 mm

• Weight: 3.1kg

• Power: AC 100–240V → DC 24V/3.75A

• Power Consumption: 76.8W

Operating Environment

• Working Temp: -10°C ~ 45°C

• Storage Temp: -20°C ~ 60°C

• Humidity: 20–90% RH (Non-condensing)

Recommended Cable Length

• 4K60: Up to 5m

• 4K30: Up to 10m

• 1080P60: Up to 15m

(Use Premium High-Speed HDMI Cable for best performance.)

Applications & Solutions

Large Conference & Convention Centers

Distribute multiple 4K sources across multiple display zones.

Hotels & Digital Signage Networks

Centralized AV routing to guest rooms or public displays.

Command & Control Centers

High-resolution signal distribution with ARC audio extraction.

Broadcast & Production Facilities

Supports multi-channel HD audio and HDR workflows.

Education & Campus AV Systems

Flexible routing across lecture halls and auditoriums.