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This item has been discontinued and is no longer available for purchase.

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Web Comments: No longer available through Staub Electronics, please contact your local BDM for more information.
  • This item has been discontinued and is no longer available for purchase.


The Atlona Etude Sync (AT-ETU-SYNC) provides EDID emulation and Hot Plug Detect communication between HDMI sink and source devices. It detects and corrects for signal integrity issues associated with cabling or connections, and can resolve compatibility problems between a source and sink. The Etude Sync is compatible with high dynamic range (HDR) formats and is HDCP 2.2 compliant. It supports 4K/UHD video at 60 Hz with 4:4:4 chroma sampling, as well as HDMI data rates up to 18 Gbps. In addition to addressing HDMI signal and device-related issues, the Etude Sync reports HDCP compliance at the source and destination, and can manage EDID communication with the source. This device is ideal for AV system troubleshooting as well as ensuring reliable, consistent performance.

The Etude Sync is for residential and commercial applications with the latest as well as emerging 4K/UHD and HDR sources and displays. It is compatible with all video resolutions, audio formats, and color space formats supported in the HDMI 2.0a specification, plus the ability to pass metadata for HDR content. The Etude Sync includes Altona's award-winning 10-year limited product warranty and customer support services, so that integrators can specify, purchase, and install with confidence.


EDID emulation and management for HDMI signals

  • Provides EDID to the HDMI source device from the display or the Etude Sync’s internal memory
  • Ensures desired audio formats and video resolutions are provided to the AV system

Hot Plug Detect emulation for HDMI source and sink communications

  • Restores +5 volt and HPD signals lost due to faulty or long cables, or when signals are passed through multiple distribution devices
  • Enables the essential signal handshaking necessary for the source to deliver video content

Detects and resolves issues associated with signal handshaking between source and destination devices

  • Ideal for troubleshooting performance or reliability issues related to cabling, terminations, source and display compatibility, and other factors
  • Quickly and easily installs into AV systems to address HDMI signaling or EDID problems and ensure dependable operation

4K/UHD capability @ 60 Hz with 4:4:4 chroma sampling, plus support for HDR formats

  • Compatibility with new and emerging 4K/UHD and HDR-capable sources and displays
  • Fully supports video resolutions, audio formats, and color space formats in the HDMI 2.0a specification

HDCP 2.2 compliant

  • Adheres to latest specification for High-bandwidth Digital Content Protection
  • Allows protected content stream to pass between devices

Provides HDMI signal regeneration for legacy source devices

  • Allows HDMI 1.2 sources such as cable television set-top boxes to be used in newer systems
  • Addresses the lack of support for the HDMI 1.3 clock stretching protocol required in HDBaseT extenders

Front panel power and signal status LEDs

  • LED indicators provide power and signal status information for +5 volt source supply, hot plug detect, and HDCP
  • Quick and easy identification of connection or signal integrity problems, as well as HDCP compliance at source and destination

USB-powered with the included power supply or local device

  • Flexible options available for installing the Etude Sync in the field
  • For testing or troubleshooting, device can conveniently be powered by a laptop or any available USB port nearby

Field-updatable firmware

  • Rear panel USB port provides an easy means for device updates
  • Ensures long-term system return on investment

Low-profile, 1 inch (25 mm) high enclosure

  • Easy installation into racks and confined spaces
  • Keeps devices out-of-sight when placed in public spaces

Included accessories

  • User guide, USB cable, and external universal power supply

Award-winning 10 year limited product warranty

  • Ensures long-term product reliability and performance in residential and commercial systems
  • Specify, purchase, and install with confidence


Video Resolution4096 x 2160 at 24/25/30/50/60 Hz, 3840 x 2160 at 24/25/30/50/60 Hz, 2048 x 1080p,1080p at 23.98/24/25/29.97/30/50/59.94/60 Hz, 1080i at 50/59.94/60 Hz, 720p at 50/59.94/60 Hz, 576p, 576i, 480p, 480i
VESA Resolution2560 x 1600, 2048 x 1536, 1920 x 1200, 1680 x 1050, 1600 x 1200, 1440 x 900, 1400 x 1050, 1366 x 768, 1360 x 768, 1280 x 1024, 1280 x 800, 1152 x 768, 1024 x 768, 800 x 600, 640 x 480
Color SpaceYUV, RGB
Chroma Subsampling4:4:4, 4:2:2, 4:2:0
Color Depth8-bit, 10-bit, 12-bit
HDMI OutputPCM 2Ch, LPCM 5.1, LPCM 7.1, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS 5.1, DTS-HD Master Audio, DTS:X, Dolby Atmos
Sample Rate32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
Bit RateUp to 24-bit
DistanceHDMI UHD at 60 Hz Distance - Up to 2 meters, HDMI UHD at 24 Hz Distance - up to 5 meters, HDMI 1080p at 60 Hz Distance - up to 10 meters, HDMI 1080p at 24 Hz Distance - up to 15 meters
Bandwidth18 Gbps
Temperature0 to 50 deg C
Humidity20 to 90% (Non-Condensing)
Power Consumption6.5 W
Input Supply100 - 240 VAC 50/60 Hz
Output Supply5 VDC 1A
Weight0.6 lb
Dimension26 mm H x 109 mm W x 89 mm D
Suitable For Use With4K HDR HDMI Signals