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AJA HD10MD4 Digital Down-Converter HD-SDI to SD-SDI and Analog

  MFR# HD10MD4

Availability: Ships in 2-3 business days

Free Expedited Shipping

Product Highlights

  • HD-SDI loop output
  • 10-bit data path, multi-point interpolation
  • Configurable for 16:9 or 4:3 output
  • Dual-rate HD-SDI/SDI input
  • SDI output
  • Component/Composite output


AJA’S HD10MD4 is a HD to SD Digital Down-Converter. This Mini-Converter allows the conversion  of HD-SDI video to standard definition SDI and analog component/composite video using AJA's high-quality full 10-bit data path. The HD10MD4 uses the multi-point interpolation to produce broadcast quality down-converted video.

Framerate Conversion

AJA’S HD10MD4 converts 1080p 23.98 or 1080psf 23.98 to 59.94 output video utilizing the standard 3:2 pulldown technique. The output can be formatted for either 4:3 or 16:9 standard definition monitors.

Pristine Image Quality

This Mini-Converter uses a full 10-bit data path and AJA's high-quality scaling technology, HD10MD4 maintains the highest detail possible to ensure a quality conversion.

Audio Support

The HD10MD4 takes four-channels of embedded HD-SDI audio and passes it to the SD-SDI output. Audio output channels are mapped to follow the input mapping for a 1-to-1 correlation between HD and SD.

Compact and Portable
All AJA Mini-Converters uses a compact design that suitable for tight spaces, around and behind equipment racks, on camera and trucks. This converter has a locking power connector that can't be removed accidently or pull loose. Another feature is the P-TAP power cable that allows for the battery power in remote locations.

Universal Power Supply
All AJA Mini-Converters are shipped with a universal power supply, which includes an international plug connection for use around the world.

AJA Mini-Matrix
All AJA’s Mini-Converters are now available as a mobile app on iOS. This feature allows the user to have control over their Mini-Converters though an app. This app helps the user to find a convenient converter for any type of situation, if is needed.

In the box
1x HD10MD4 Digital Down-Converter
DWP-U-R1 Worldwide Power Supply for AJA Mini-Converters
Limited 5-Year Warranty
Input Formats (automatic configuration)
(HD) 1920 x 1080i 50, 59.94, 60
(HD) 1920 x 1080p 23.98, 25, 29.97
(HD) 1920 x 1080PsF 23.98, 25, 29.97
(HD) 1280 x 720p 50, 59.94
(SD) 625i
(SD) 525i
Output Formats (SD) 625i
(SD) 525i
Video Input 1x BNC
HD SMPTE 292M, 10-bit
SD SMPTE 259M, 10-bit
Video Output Digital
1x BNC (processed output)
SDI - SMPTE 259M, 10-bit
1x BNC (loop through input)
3x BNC
YPbPr-SMPTE, EBU-N10, Betacam, RGB, NTSC, PAL, YC (S-Video), 10-bit
Video Processing Down-conversion
Multi-point interpolation, 10-bit processing
3:2 conversion for 23.98 inputs
Frequency Response
Y +0, -.5db to 30 MHz
C +/- .25db to 15 MHz
User Controls External dipswitch
Mini-Config application via USB
Dimensions (w x d x h) 5.8" x 3.1" x 1.0" (147.32 x 78.74 x 25.4 mm)
Power Uses AJA Power Supply model DWP-U-R1 (included with purchase)
100-240V, 50/60Hz Universal Input
+5 to 20V DC regulated, 7 watts max
Environment Safe Operating Temperature: 0 to 40 C (32 to 104 F)
Safe Storage Temperature (Power OFF): -40 to 60 C (-40 to 140 F)
Operating Relative Humidity: 10-90% noncondensing
Operating Altitude: <3,000 meters (<10,000 feet)

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