AJA ADA4 Bidirectional Audio Converter

Product SKU: ADA4-R0

The AJA ADA4 Bidirectional Audio Converter is a 4-channel converter that can be configured as a 4-channel A/D, 4-channel D/A, 2-channel A/D

£408.78 (inc. VAT)

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AJA ADA4 Bidirectional Audio Converter
AJA ADA4 Bidirectional Audio Converter

£408.78 (inc. VAT)

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AJA ADA4 Bidirectional Audio Converter

The AJA ADA4 Bidirectional Audio Converter is a 4-channel converter that can be configured as a 4-channel A/D, a 4-channel D/A, 2-channel A/D and 2-channel D/A, or an AES synchronizer.

Supplied Breakout Cable

The included breakout cable provides the audio connections for ADA4, allowing 8 channels of AES audio input and output while keeping the overall size of the mini-converter compact and portable.

External Sync

ADA4 accepts an AES11, wordclock or video sync/color black reference input for synchronization. Reference input and synchronization are automatic with a passive looping reference as well as a separate AES sync output.

Quick configuration

4K2HD can be configured to extract an HD resolution center cut from the 4K input. This provides a one-to-one pixel image that can be used to check focus on 4K shoots without the need for a full 4K monitor.

Universal Power Supply

All AJA Mini-Converters ship with a universal power supply that includes international plug connections for use around the world.

Compact and Portable

AJA Mini-Converters are small enough to fit behind a monitor, in the back of a rack or directly on a camera rig. A locking power connector can’t accidentally pull loose and an optional P-TAP power cable allows for battery power in remote locations.


  • Simultaneous A/D and D/A, or AES Synchronizer
  • Full-time AES11 low jitter reference output
  • Up to 4 channels of balanced analog to AES/EBU audio
  • Up to 4 channels of AES/EBU to balanced analog audio
  • Supplied XLR breakout cable
  • AES11/Wordclock/Tri-level Sync/Color Black Reference Loop
  • Adjustable audio levels
  • Sample Rate Conversion between 96 kHz and 48 kHz
  • Dipswitch configuration 5-18VDC Power
Audio I/O Analog

Balanced, XLR, one channel per XLR connector

Audio I/O AES

Balanced 110 ohm, XLR, two channels per XLR connector

Audio Levels Analog (with Respect to Full Scale Digital)

+24dBu (SMPTE RP155), +18dBu (EBU R68), +15dBu (Germany), +10dBV (consumer +12.2 dBu)

Audio Converters

24-bit, 48/96 KHz

Audio Output Digital

SDI embedded audio, 24-bit, 8-Channel
HDMI embedded audio, 24-bit, 8-Channel

User Controls

External Dipswitch:
• Channel 1/2: A/D, D/A
• Channel 3/4: A/D, D/A
• Audio Level 1
• Audio Level 2

Reference Loop

75 Ohm, unterminated, HD/SD Sync, AES-11, or Wordclock (48/96 KHz)

Size (w x d x h)

5.8" x 3.1" x 1.0" (147mm x 79mm x 25mm)


5-18VDC, 3 watts. power supply required, included with purchase


Safe Operating Temperature: 0 to 40 degrees C (32 to 104 degrees F)
Safe Storage Temperature (Power OFF): -40 to 60 degrees C (-40 to 140 degrees F)
Operating Relative Humidity: 10-90% noncondensing
Operating Altitude: <3,000 meters (<10,000 feet)

*12GM uses approximately 12 watts of power and convection cooling. It will be very warm to the touch, which is normal. When installing the unit, mount in a location where it has access to air for proper cooling. Do not stack the 12GM with other Mini-Converters.

Converter Type

Infrastructure Converters, Mini Converters

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