AV Expo

Articles May-June 2025

SISPL Elevates Caterpillar's Corporate Boardroom with World-Class AV Integration

Shared exclusively with AV-ICN Expo Magazine, this case study explores the team's dedication to deliver world-class communication and collaboration solutions to the client. read more

Illuminating Shopping Mall with Xtreme Media's Nyx Series LED Displays

This case study features Xtreme Media's successful execution in a shopping mall, where the use of LED display technology has transformed the mall into a vibrant and engaging space. read more

AV Installation: Glimpses

A Spotlight on AV Excellence Spanning India read more

Ansata and Studio One Together Transform Ambazari Garden into a Picturesque Landscape

Blending High-End Technologies with Thoughtful Execution, The Project Creates a Visual Feast for Ambazari's Visitors in Nagpur. read more

Imagination Meets Intent: How DoT Mavericks Crafted an Immersive Escape at COVAH

This feature shares an insightful story on how DoT Mavericks immerses COVAH's diners through projection mapping on the walls of COVAH. read more

Moxy Hotels Groove to the Sound of HARMAN Professional

KORE AV SOLUTION and HARMAN Professional engineered an innovative solution that harmonises with Moxy Hotel's spirited ambiance and modern aesthetics. read more

Articles Mar-Apr 2025

Lumina Screens Enhances Chennai Home Theatre with Cinematic Experiences

Cinema Meets AV Excellence with 165-inch Diagonal Accupix Pro for Chennai Home Theatre by Lumina Screens. read more

HARMAN Professional Synchronizes Cinematic Viewing with Sonic Beauty

HARMAN's Rich Acoustical Treatment of Movie Magic Theatre Blends Immersive Experiences with Impactful Acoustics. read more


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Key Digital Launches Updated KD-Pro4x1X-2 HDMI Switcher


KD-Pro4x1X-2 4x1 UHD/4K/18G HDMI switcher allows auto switching, audio de-embedding, status-monitoring LEDs, and numerous control options


Key Digital launched the second-generation KD-Pro4x1X-2: a 4x1 UHD/4K/18G HDMI switcher with 4x1 auto switching, audio de-embedding and a plethora of control options. "For applications ranging from conference rooms to huddle spaces, classrooms, theatre, and gaming spaces, the KD-Pro4x1X HDMI switcher is a core tool for many of our customers, says DeWayne Rains, Key Digital VP of sales. "The updates to the KD-Pro4x1X-2 ensure the availability of this affordable solution into the future."

In addition to auto-switching that, when enabled, automatically selects a newly detected source, or switches away from a newly disconnected source, the KD-Pro4x1X-2 offers front-panel-button, IR, RS-232, TCP/IP and trigger voltage control, and features status-monitoring LEDs. The KD-Pro4x1X-2 also offers integrated web UI control from any browser on any networked device for a complete control solution that includes AV switching via IP, KD-Amp220 audio with microphone mix via RS-232, and KD-CamUSB PTZ web cam control via RS-232. CEC control is passed through from the selected HDMI source to the connected display.

To flexibly feed amplifiers, DSP processors and sound bars, the KD-Pro4x1X-2 delivers audio de-embedding in both analog (two-channel on a 1/8-inch [3.5mm] jack and balanced/unbalanced outputs on a six-pin terminal block with support for sampling rates up to 192 kHz) and digital (optical & SPDIF with surround audio support including DTS-HD Master Audio, DTS:X, Dolby TrueHD and Dolby Atmos at sampling rates and channel counts up to 96 kHz/7.1).

The KD-Pro4x1X-2 supports all SD, HD, VESA and Ultra HD/4K video standards with resolutions up to up to 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4. Standards and protocol support further includes Dolby Vision, HDR10, fully licensed HDCP 2.2 compatibility, deep colour support up to UHD/4K 30Hz 4:4:4/12 bits or 60Hz 4:4:4/8 bit and a full buffer system that manages TMDS re-clocking / signal re-generation, HDCP authentication to source and display, and EDID Control handshake. EDID management utilizes an internal handshake library in addition to native EDID data copied from the output/display.

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