RME Digiface USB 66-Channel ADAT to USB Optical Audio Interface

RME Digiface USB 66-Channel ADAT to USB Optical Audio Interface

RME Digiface USB 66-Channel ADAT to USB Optical Audio Interface

RME Digiface USB 66-Channel ADAT to USB Optical Audio Interface

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Product Highlights

  • 66 Channels: 32 In / 34 Out
  • 24-Bit / 192 kHz Digital Audio
  • 4 x ADAT / S/PDIF Optical Input Ports
  • 4 x ADAT / S/PDIF Optical Output Ports
  • 1 x Analog Line/Phones Stereo Output
  • TotalMix Mixer/Matrix Router
  • Bus Powered
  • Portable and Lightweight (0.49 lb)
  • Mac OS X, Windows
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  • 1Description

The Digiface USB from RME is a portable USB 2.0 audio interface designed to quickly and efficiently transfer 24-bit / 192 kHz digital audio data in ADAT and S/PDIF format to Windows and Mac computers. Lightweight (at 0.49 lb), compact, and bus-powered, it is well suited for mobile recording/mixing applications or remote monitoring solutions.

The Digiface USB offers four optical ADAT / S/PDIF I/Os and a high-quality analog line/phone stereo output via a 1/4" TRS jack, for a total of 32 inputs and 34 outputs when using ADAT optical. It also comes with the real-time mixer software TotalMix which allows you to mix and route all inputs and playback channels simultaneously, to any hardware outputs. The software features a dedicated Control Room section with Talkback, Main/Phones, fader groups, mute groups, complete remote controllability via Mackie or OSC protocol, and more.

The included DIGICheck utility software provides a suite of tools to test, measure, and analyze digital audio streams with a high-precision peak/RMS level meter, a spectral analyzer, a vector audio scope, and more.

  • Interface: USB 2.0, bus-powered, no external power supply required
  • Sample rates: 28 kHz to 200 kHz
  • 66 channels: 32 in / 34 out
  • 4 x ADAT / S/PDIF optical input ports
  • 4 x ADAT / S/PDIF optical output ports
  • Standard speed: 32 channels, 24-bit/up to 48 kHz, record/playback via ADAT optical
  • Double speed: 16 channels, 24-bit/96 kHz, record/playback via ADAT optical (S/MUX)
  • Quad speed: 8 channels, 24-bit/192 kHz, record/playback via ADAT optical (S/MUX4)
  • Each single optical port can use either ADAT (up to 8 channels) or S/PDIF (stereo)
  • ADAT and S/PDIF I/Os can be used simultaneously
  • One analog line/headphone stereo output, provides separate output for independent submix
  • All settings can be changed in real-time
  • TotalMix allows for practically unlimited mixing and routing operations, with all inputs and playback channels simultaneously, to any hardware outputs, with 46-bit internal resolution
  • TotalMix for latency-free submixes and ASIO Direct Monitoring
  • Compact, portable, and lightweight audio interface
  • Slave and master clock modes – Internal, ADAT input, S/PDIF input
  • Buffer sizes/latencies 32 to 8192 samples, selectable
  • Automatic and intelligent master/slave clock control
  • SteadyClock: Jitter-immune, super-stable digital clock
  • SyncAlign guarantees sample-aligned and never-swapping channels
  • SyncCheck tests and reports the synchronization status of input signals
  • DIGICheck DSP: Level meter in hardware with peak and RMS calculation
  • High-resolution Bitclock PLL (audio synchronization) in ADAT mode, even in vari-speed operation
  • Near-zero effective clock jitter influence on A/D and D/A conversion
  • PLL ensures zero dropout, even at more than 100 ns jitter
  • Low-Jitter Design: < 1 ns in PLL mode, all inputs
  • Driver CD contains drivers for Windows Vista / 7 / 8 / 10 and Mac OS X (x86 Intel)



In the Box
RME Digiface USB 66-Channel ADAT to USB Optical Audio Interface
  • USB Cable, 6' / 1.8 m
  • Driver CD
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description


    Input Optical ADAT / SPDIF 4 x TOSLINK (format according to Alesis specification), S/PDIF compatible (IEC 60958)
    Standard: 32 channels, 24-bit, up to 48 kHz
    Double Speed (S/MUX): 16 channels, 24-bit / 96 kHz
    Quad Speed (S/MUX4): 8 channels, 24-bit / 192 kHz
    Lock Range: 31.5 kHz to 50 kHz
    Jitter: < 1 ns, when synced to input signal
    Output Optical ADAT / SPDIF 4 x TOSLINK (format according to Alesis specification), S/PDIF compatible (IEC 60958)
    Standard: 32 channels, 24-bit, up to 48 kHz
    Double Speed (S/MUX): 16 channels, 24-bit / 96 kHz
    Quad Speed (S/MUX4): 8 channels, 24-bit / 192 kHz
    Analog Headphone Output Dynamic Range: 110 dB RMS, 113 dBA (unweighted)
    Frequency Response: 0 Hz to 20.8 kHz (at 44.1 kHz, -0.5 dB)
    Frequency Response: 0 Hz to 45 kHz (at 96 kHz, -0.5 dB)
    Frequency Response: 0 Hz to 89 kHz (at 192 kHz, -1 dB)
    THD: - 96 dB, 0.0016 % (at -1 dBFS)
    THD+N: -95 dB, 0.0017 % (at -1 dBFS)
    Channel Separation: > 100 dB
    Output: 1/4" / 6.3 mm TRS jack, unbalanced
    Output Impedance: 2 Ohms
    Output Level: +9.5 dBu (at 0 dBFS, 1 kOhm load)
    Maximum Power: 50 mW (at 0.1% THD)
    Digital Clocks: Internal, ADAT input, S/PDIF input
    Jitter: < 1 ns in PLL mode, all inputs
    Internal Clock: 800 ps jitter, random spread spectrum
    Jitter Suppression of External Clocks: > 30 dB (2.4 kHz)
    Clock Jitter on AD/DA Conversion: Near zero
    Supported Sample Rates: 28 kHz to 200 kHz
    System Requirements CPU: Computer with Pentium Core 2 Duo or higher
    Mac OS X: 10.6 or higher
    Windows: Vista or higher
    1 x USB 2.0 or USB 3.0 port
    General Power Supply: USB bus power
    Current: 230 mA (at 5 V bus power operation)
    Typical Power Consumption: 1.2 W
    Maximum Power Consumption: Less than 2 W
    Temperature Range: 41 to 122° F / 5 to 50° C
    Relative Humidity: < 75%, non-condensing
    Dimensions (W × H × D) 5.04 x 0.87 x 2.2" / 128 x 22 x 55 mm
    Weight 0.49 lb / 220 g
    Packaging Info
    Package Weight 1.95 lb
    Box Dimensions (LxWxH) 11.6 x 6.9 x 3.8"

    RME DIGIFACE USB reviews

    Digiface USB 66-Channel ADAT to USB Optical Audio Interface is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Excellent Compact Optical to USB interface I am delighted with this new ADAT to USB interface from RME. This unit is very new and many vendors were not even carrying it yet. Thanks to B&H for ordering it for me! I received delivery of this special order in less than 2 weeks. Prior to this piece of hardware becoming available it was difficult to find a device or interface with 4 ADAT inputs. Now I can bring 16 channels of audio at 24bit / 96khz into my Audio workstation or laptop. Note, while I like recording at 96 kHz, using a sample rate of 48khz will allow throughput of 32 channels of audio and increasing sample rate to 192khz will limit throughput to 8 channels. I am using the RME Digiface USB along an RME Babyface Pro which allows me to bring another 4 optical channels at the same bit and sample rate into my workstation. To control input from the Digiface USB simultaneously while using the Babyface Pro requires separate TotalFX software control windows for each device (the manual explains this in more detail). I am currently bringing in 8 channels from an Audient ASP880 preamp and will add another 8 channel preamp soon. One thing that definitely stands out, is how small and compact this device is...maybe less than a quarter of the size of the Babyface Pro. So it will not take up a lot of space on your desk or in your kit. Same excellent quality and function that I have enjoyed from RME in the past.
    Date published: 2017-03-04
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