RME ADI 4DD has been discontinued, here are some related products you might like:

4 channel AES/ADAT converter (24bit/96kHz)

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RME's ADI-4 DD is a highly cost-efficient AES to ADAT and ADAT to AES converter. The device basically consists of two converters - four AES-3 inputs (eight-channels) to double ADAT outputs and double ADAT inputs to four AES-3 outputs. Features include support for up to 96kHz sample rate and built-in jitter suppression.

The double ADAT ports enable full eight channel support from 32kHz up to 96kHz (S/MUX). The actual state of the incoming and outgoing signals and ongoing operations within the unit are easily monitored via multiple, clear LEDs. SyncCheck not only shows if an input signal is locked, but also if multiple inputs are in synchronous lock. Furthermore SyncAlign technology prevents accidental errors of +/- single-sample misalignment between the AES/EBU inputs.

The unit displays highly efficient jitter suppression that enables it to refresh and clean up any clock signal, and to provide the clock signal as reference clock at the word clock output. Additionally, Intelligent Clock Control (ICC) will maintain the last sample rate detected as valid, in case of fault and loss of input signal. The ADI-4 DD is housed in a compact single height, half-rack space enclosure.


  • Convert between two digital formats
  • The AES output signal can be given a consumer or professional status. The first AES output (channels 1/2) is also available as optical TosLink
  • Provides highly efficient jitter reduction. Any clock signal can be improved and refreshed and subsequently be used as reference clock at the word clock output
  • If more than eight channels are required, several units can be cascaded and synchronized sample-accurately via word clock
  • An internal jumper allows for simple change of pin-out configuration for the AES 25-pin D-sub connector


5 x AES/EBU I/O (1 x XLR, 4 x D-sub)
2 x ADAT I/O (optical)
1 x SPDIF (optical, instead 2nd ADAT I/O)
1 x Word Clock I/O

ADC: not applicable
DAC: not applicable
Sample Rates: Internal: 32, 44.1, 48, 88.2 and 96kHz
External: Accepts between 27kHz and 105kHz depending on clock source master
Analog In: no
Analog Outputs: no
Digital Input: 1 x 25-pin D-sub four-pair AES/EBU (shared with output)
1 x XLR AES/EBU, 2 x ADAT TosLink optical
Digital Output: 1 x 25-pin D-sub four-pair AES/EBU (shared with input)
1 x XLR AES/EBU, 2 x ADAT TosLink optical
Word Clock: 1 x BNC input, 1 x BNC output
Dynamic Range: not applicable
Frequency Response: not applicable
THD + N: not applicable

Dimensions (WxDxH): 8 1/2" x 5 1/8" x 1 3/4"
Weight: 2.2 lbs

Specialties: All settings are stored at power-off


Product Manual
Manufacturers website

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