Details

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🔹 Product Name

KAMEHA KA227A Pro 4×4 HDMI Seamless Matrix with Multiviewer & 2×2 Video Wall 4K60Hz – 1U Rackmount

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🔹 Product Introduction

The KAMEHA KA227A 4×4 HDMI Seamless Matrix is a professional UHD switching and display management solution designed for advanced AV systems. Supporting full 18Gbps bandwidth and resolutions up to 4K@60Hz (4:4:4), it enables seamless routing of 4 HDMI sources to 4 displays with zero blackout and smooth frame transition.

With built-in Multiviewer and 2×2 Video Wall processing, KA227A provides flexible display configurations for control rooms, boardrooms, digital signage, and LED/LCD video wall installations.

Note: Multiviewer and Video Wall modes cannot operate simultaneously.

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🔹 Product Description

Compliant with HDMI 2.0 and HDCP 2.2, the KA227A ensures compatibility with modern 4K UHD devices and protected content.

Key capabilities include:

• Seamless switching without signal interruption

• 12 Multiview display layouts

• 9 Video Wall splicing modes

• Independent scaling for each input source

• 4×4 IR matrix routing (IR follows video switching)

• Audio embedding & de-embedding

• Optical (S/PDIF) and balanced analog audio outputs

• External L/R audio insertion into HDMI stream

• Advanced EDID management

• CEC device control

Control methods include Front Panel, IR Remote, RS-232, and Web GUI (TCP/IP) for easy system integration.

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🔹 Key Features / Bullet Points

✔ 4 HDMI Inputs × 4 HDMI Outputs
✔ 18Gbps HDMI 2.0 bandwidth
✔ 4K@60Hz (4:4:4) Ultra HD
✔ True seamless switching (no blackout)
✔ 12 Multiview display modes
✔ 9 Video Wall splicing layouts (2×2 support)
✔ Independent input scaling
✔ Audio embed & de-embed support
✔ Optical & balanced analog audio output
✔ IR Matrix control (video-follow routing)
✔ CEC control
✔ Advanced EDID management
✔ Control via Panel / IR / RS-232 / LAN
✔ 1U Rackmount metal chassis

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🔹 Technical Highlights

Video Performance

• HDMI 2.0

• HDCP 2.2

• 18Gbps (594MHz) bandwidth

• Resolution up to 4K@60Hz

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

• Color Depth: 8/10/12-bit

Audio Support

• LPCM

• Dolby Digital / Plus / EX

• Dolby TrueHD

• DTS / DTS-EX / DTS-96/24

• DTS High Res

• DTS-HD Master Audio

Connectivity

• 4 × HDMI Inputs

• 4 × HDMI Outputs

• 4 × Optical Audio Outputs

• 4 × Balanced L/R Audio Outputs

• 4 × L/R Audio Inputs

• IR IN / IR OUT

• RS-232

• TCP/IP (LAN)

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🔹 Applications / Solutions

🏢 Corporate Boardrooms

Seamless switching between multiple presentation sources with multiview preview.

🖥 Monitoring & Command Centers

Display up to four sources on a single screen in multiview mode.

🛍 Retail & Showrooms

Create dynamic 2×2 video wall displays for impactful content.

🎓 Training & Education

Flexible display routing with scaling and centralized control.

🖥 Small LED / LCD Video Wall Projects

Integrated 2×2 wall processing with professional seamless switching.

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🔹 Why Choose KA227A?

✔ Multiview + Video Wall in one unit
✔ True 4K seamless switching
✔ Professional audio routing
✔ Flexible display modes
✔ Compact 1U rackmount
✔ Ideal for professional AV integration