Back Panel

AT-HDDA-2

HDMI IN

1	2
	-	+

HDMI OUT		DC 5V

1.HDMI IN: Connect to an HDMI source

2.HDMI OUT: Connect to a display

3.DC 5V: Captive screw power connector

EDID (Extended Display Identification Data)

When the HDDA is completely connected and turned on it will load the Internal EDID™ automatically, which supports the highest common native video resolution and audio format of the devices.

Example: With a mix of resolutions and audio formats the HDDA will default to the highest common video resolution and audio format. In the diagram below the default would be 720p with 2ch audio. Multi-channel audio and 3D are not enabled on internal mode, unless all devices support these features.

1080p-Dolby TrueHD (3D)

			Output 1
			EDID
FIRMWARE	POWER	OUT 1	INT
	SYNC	OUT 2	LEARN
AT-HDDA-2	1		2
	1		2
			- +
HDMI IN		HDMI OUT	DC 5V

1080p (3D) Dolby TrueHD

720p-2ch

Output 2

EDID learn mode loads the highest common resolution and audio format between output 1 and the source and mirrors to all outputs. *EDID learning only available for output 1*

To learn EDID press and hold the EDID button until the EDID learn LED flashes. Learning is completed once the LED is solid.

Note: Using the above diagram, output 2 will receive no audio or video once EDID is learned.

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AT-HDDA-2 specifications

The Atlona AT-HDDA-2 is a high-performance HDMI distribution amplifier designed for seamless signal distribution in a variety of commercial and residential AV installations. This device stands out for its ability to amplify and distribute one HDMI input to two HDMI outputs, ensuring that high-quality video and audio signals are effectively managed across multiple displays.

One of the main features of the AT-HDDA-2 is its support for 4K video resolution at 60 Hz, making it highly compatible with modern displays and sources. This capability ensures that users can enjoy crisp, high-definition visuals without sacrificing quality. Additionally, it supports HDMI 2.0, allowing for rich color depth and high dynamic range (HDR) content, which is becoming standard for contemporary video applications.

The AT-HDDA-2 is engineered with advanced technology to minimize signal degradation over long distances. Its built-in equalization and signal amplification features allow for reliable transmission of HDMI signals up to 20 meters (about 65 feet) without loss of quality. This is particularly beneficial in environments where components may be spread out over considerable distances, such as in conference rooms and large venues.

Another notable characteristic of the AT-HDDA-2 is its user-friendly design. The unit is compact and rack-mountable, making it easy to integrate into existing setups without taking up much space. Each output is EDID configurable, which ensures that the source and display devices correctly negotiate their characteristics regardless of their capabilities.

The unit is also extremely versatile, catering to a wide range of applications from professional presentations to home theater systems. Furthermore, it operates with minimal heat generation, enhancing reliability and longevity in continuous use scenarios.

In sum, the Atlona AT-HDDA-2 HDMI distribution amplifier is an essential tool for anyone looking to maintain superior video and audio quality in multi-display setups. Its robust feature set, including 4K support, signal amplification, and user-friendly design, makes it a popular choice among AV professionals and enthusiasts alike. Its commitment to excellence in signal management ensures that users can experience the very best in HD content without the hiccups associated with inferior distribution solutions.