Audio interface RME ADI-4 DDAudio interface RME ADI-4 DD (2)Audio interface RME ADI-4 DD (3)Audio interface RME ADI-4 DD (4)


  • Digital Converter
  • 8-Channel 24-Bit/96kHz Dual Universal Format Converter
  • Input AES / EBU: 1 x XLR, 4 x galvanically isolated via 25-pin D-sub, highly sensitive input stage
  • <0.3 Vpp SPDIF compatible
  • Output AES / EBU: 1 x XLR, 4 x per 25-pin D-sub, transformer, 5 Vp-p
  • SPDIF Optical: The second ADAT SPDIF port cann be used as S/PDIF I/O
  • Input ADAT optical: 2 x TOSLINK, 24-bit, bit clock PLL
  • ADAT optical output: 2 x TOSLINK, 24 bit
  • Input word clock: BNC, Signal Adaptation Circuit functional from 1.2 Vpp
  • Output word clock: BNC, low impedance driver stage, 4 Vpp into 75 Ohms, short circuit protection
  • Sync sources: ADAT optical, AES / EBU, word clock
  • Varipitch: by input signal or word clock
  • Sample rates: 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, variable (Sync / word clock)
  • Sample rate range: AES, word clock: 27 kHz-105 kHz ADAT / TDIF 33 kHz - 57 kHz
  • Jitter: Internal clock <1 ns, word clock I <2 ns, ADAT <2 ns
  • Jitter sensitivity: all PLLs operate even at 100 ns Jitter without problems
  • Jitter suppression: about 30 dB (2.4 kHz)
  • Power supply: 7-38 V DC power supply, 7-27 V AC. Allowing operation with practically any available power source, including batteries
  • High-quality switching power supply included. Worldwide operation from 100-240 volts
  • Dimensions (WxHxD): 215 x 44 x 100 mm

RME ADI-4 DD · Audio interface

RME's ADI-4 DD digital format converter is a simplified and highly cost-efficient smaller version of the renowned ADI-8 DD. Built into a space-saving half-rack space enclosure, the ADI-4 DD provides AES-3 and ADAT connectivity and easy conversion.

The ADI-4 DD converter delivers format conversion with LED monitoring of incoming and outgoing signals. RME's unique SyncCheck function not only shows if an input signal is locked, but also if multiple inputs are in synchronicity. Furthermore RME's SyncAlign technology prevents accidental errors of ± 1 sample misalignment between the AES/EBU inputs. The AES output signal can be set to Professsional or Consumer subcode. Channel 1/2 can optionally be received and output optically via TOSLINK connectors.

ADI-4 DD conversion modes include: 8-channel AES to ADAT optical converter 96kHz, 2-channel AES to 8-channel ADAT splitter 96kHz, 8-channel ADAT to AES converter 96kHz, 2-channel AES to 8-channel AES splitter 96kHz, 4-channel AES Double Wire to AES Single Wire converter 96kHz, 4-channel AES Single Wire to AES Double Wire converter 96kHz.

  • Channels: 8
  • Sample Rate: 96kHz
  • Bit Depth: 24-bit
  • Digital Inputs: 1 x AES/EBU XLR, 4 x AES/EBU DB25, 1 x ADAT optical, 1 x S/PDIF optical
  • Digital Outputs: 1 x AES/EBU XLR, 4 x AES/EBU DB25, 1 x ADAT optical, 1 x S/PDIF optical
  • Clock Inputs: 1 x Word Clock
  • Clock Outputs: 1 x Word Clock


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