Atlona AT-HDDA-4 1 x 4 HDMI Distribution Amplifier


Atlona AT-HDDA-4 1 x 4 HDMI Distribution Amplifier


  • Overview
  • Specifications

Finally, a distribution amplifier that supports Ultra HD (4Kx2K)! 4 zones with advanced EDID management, ideal for displays using cutting-edge Ultra HD resolution.

Ultra HD for Vivid Details

HDDA-4 passes 4Kx2K, the highest currently available resolution, plus Dolby True HD, DTS HD Master Audio, and 3D up to 48-bit deep color.

Advanced EDID Management

Learns reference EDID from first connected output display and mirrors to all outputs ensuring a reliable and uninterrupted A/V signal.

Additional Features

  • Supports cascading up to 8x (@1080p)
  • Link status LED for source and outputs
  • Supports pass through of all 3D formats
  • Pass through support of all Lossy and Lossless audio (up to Dolby TrueHD or DTS-HD Master Audio).
  • Locking HDMI port
  • Field serviceable firmware port
  • Includes dual purpose wall/rack mount ears


Use with Atlona HDBaseT extender collection, HDBaseT distribution amplifier collection, or HDMI-to-HDMI matrix switcher collection

  • AT-HDTX – Atlona HDBaseT TX HDMI Box
  • AT-HDRX – Atlona HDBaseT RX HDMI Box
  • AT-HDWP – Atlona HDBaseT RX HDMI 2-Gang US Wall Plate
  • AT-HDWP-UK – Atlona HDBaseT RX HDMI 1-Gang UK Wall Plate
  • AT-HDCAT-4 – Atlona 2 x 4 HDMI to HDBaseT Distribution Amplifier
  • AT-HDCAT-8 – Atlona 2 x 8 HDMI to HDBaseT Distribution Amplifier
  • AT-HDCAT-8ED – Atlona 2 x 8 HDMI to HDBaseT Extended Distance Distribution Amplifier
  • AT-H2H-44M – Atlona 4 x 4 HDMI Matrix Switcher
  • AT-H2H-88M – Atlona 8 x 8 HDMI Matrix Switcher

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General Information
Manufacturer Atlona
Manufacturer Part Number AT-HDDA-4
Video 480i@60Hz, [email protected]/60Hz, 576i@50Hz, 576p@50Hz, 720p@50/59.94/60Hz, 1080i@50/59.94/60Hz, [email protected]/24/25/29.97/30/50/59.94/60Hz, 3840×2160@24/25/30/50*/60Hz*, 4096×2160@24/25/30/50*/60Hz* * 4096×2160@50/60Hz & 3840×2160@50/60Hz supported @ Chroma subsampling 4:2:0 8-bit only
VESA 640×480@60Hz, 800×600@60/75Hz, 1024×768@60/75Hz, 1280×768@60/75Hz, 1280×800@60Hz, 1280×1024@60/75Hz, 1366×768@60Hz, 1440×900@60/75Hz, 1400×1050@60Hz, 1600×1200@60Hz, 1600×900@60Hz, 1680×1050@60Hz, 1920×1200@60Hz
Colorspace RGB, YCbCr 4:4:4, YCbCr 4:2:2
Color depth 8-bit, 10-bit, 12-bit
Formats PCM 2Ch, LPCM 5.1, LPCM 7.1, Dolby Digital, DTS 5.1, Dolby Digital+, Dolby TrueHD, DTS-HD Master Audio
Sample Rate 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
HDMI IN up to 15m/50ft (@1080p 8-bit)
HDMI OUT up to 15m/50ft (@1080p 12-bit)
4K up to 5m/15ft
Bandwidth 10.2 Gbps
HDCP Compliant
Operating 0°C to 40°C/32°F to 104°F
Storage -20°C to 60°C/-4°F to 140°F
Humidity 20 to 90% non-condensing
Consumption 5W
Supply Input: AC100~240V 50/60Hz Output: DC 5V/2.6A
H x W x D 44 x 433.8 x 255 (mm)/1.73 x 17.08 x 10.04 (inch)
w/feet 55.15 x 433.8 x 255 (mm)/2.17 x 17.08 x 10.04 (inch)
Rack Unit 1
Device 2.61kg/5.75lbs
Shipping 4.20kg/9.25lbs
Power Supply CE, FCC, cULus
HDMI IN 3D, 4K, 1920×1200, Dolby TrueHD, DTS-HD Master Audio
HDMI OUT 3D, 4K, 1920×1200, Dolby TrueHD, DTS-HD Master Audio
Mini USB Firmware updating
  • AT-HDDA-4
  • 5V DC power supply adaptor
  • Pair of wall/rack mount ears
  • User manual

Additional information



Atlona AT-HDDA-4 1 x 4 HDMI Distribution Amplifier

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