KAMEHA KA146A 4×4 HDMI Matrix V2.0 with Audio – 4K60 18Gbps
Product Introduction
The KAMEHA KA146A 4×4 HDMI Matrix V2.0 with Audio is a high-performance AV switching and distribution solution designed for professional environments. It allows any of four HDMI 2.0 sources to be independently routed to four HDMI 2.0 displays, supporting full 18Gbps bandwidth and ultra-high resolution up to 4K@60Hz (4:4:4)with HDCP 2.2 compliance.
Each output supports independent 4K → 1080p downscaling, making it ideal for mixed display environments. With built-in audio de-embedding (Analog L/R & Coaxial) and ARC return to coaxial output, the KA146A provides flexible audio integration for modern AV systems.
Product Description
Designed to meet the latest HDMI 2.0 standards, the KA146A ensures seamless compatibility with 4K UHD sources including media players, PCs, cameras, IPTV systems, and digital signage players.
It supports:
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4K2K@60Hz (4:4:4) ultra-clear video
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HDR10, HDR10+, Dolby Vision, and HLG
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18Gbps high-speed signal transmission
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Individual output scaling for flexible system design
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Advanced EDID management for stable signal handshake
The compact metal chassis makes it suitable for rack shelves or cabinet installations. Control options include Front Panel buttons, RS-232, IR remote, TCP/IP, and Web GUI, offering complete system integration flexibility.
Key Features / Bullet Points
4 HDMI Inputs × 4 HDMI Outputs (Independent Switching)
HDMI 2.0, HDCP 2.2 / 1.4 Compliant
Supports 18Gbps Bandwidth
Resolution up to 4K@60Hz (4:4:4)
Independent 4K → 1080p Downscaler per Output
Audio De-Embedding via Analog L/R & Coaxial
ARC Audio Return to Coaxial Output
Supports HDR10, HDR10+, Dolby Vision & HLG
Advanced Smart EDID Management
Built-in Web GUI (TCP/IP Control)
Four Control Methods: Front Panel / RS-232 / IR / LAN
Compact Metal Design for Easy Installation
Technical Highlights
Video Performance
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Bandwidth: 18Gbps
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Resolution:
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4K2K@60Hz (4:4:4 / 4:2:0)
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4K2K@30Hz
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1080p / 720p / 480p
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Color Space: RGB, YCbCr 4:4:4 / 4:2:2 / 4:2:0
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HDR: HDR10, HDR10+, Dolby Vision, HLG
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3D Support: Yes
Audio Support
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HDMI Pass-through: PCM 2.0/5.1/7.1, Dolby TrueHD, DTS-HD Master Audio
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Coaxial Output: PCM 2.0, Dolby Digital / Plus, DTS
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Analog L/R Output: PCM 2.0
Connectivity
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4 × HDMI Inputs
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4 × HDMI Outputs
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4 × Analog L/R (3.5mm)
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4 × Coaxial (RCA)
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1 × TCP/IP (RJ45)
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1 × RS-232
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1 × IR EXT
Physical
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Size: 220 × 105 × 44mm
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Weight: 792g
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Power Consumption: 10W (Max)
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Operating Temp: 0°C ~ 40°C
Applications / Solutions
Conference Rooms
Route laptops, video conferencing systems, and media players to multiple displays with independent control and scaling.
Education & Training
Distribute multiple teaching sources to classroom displays while ensuring compatibility with different screen resolutions.
Retail & Digital Signage
Control multiple advertising screens from various media sources with stable 4K transmission.
Control Rooms
Switch monitoring feeds between displays with flexible routing and audio extraction capability.
Houses of Worship / Event Spaces
Manage cameras, presentation PCs, and video playback systems efficiently.
Installation Recommendation
For optimal 4K60 performance, use Premium High Speed HDMI (18Gbps certified) cables.
