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

BH #RMDIGIFACUSB • MFR #DIGIFACE USB
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RME Digiface USB 66-Channel ADAT to USB Optical Audio Interface
Key Features
  • 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
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.
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RME Digiface USB Overview

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 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)

 

 

EAN: 4260123362287

RME Digiface USB Specs

Key Specs
Channels of I/O
ADAT:
32 Input / 34 Output
Maximum Sampling Rate
192 kHz / 24-Bit
Number of Microphone Inputs
No
Analog Audio I/O
1x 1/4" TRS Headphone Output
Digital Audio I/O
TOSLINK Optical ADAT / S/PDIF Input
TOSLINK Optical ADAT / S/PDIF Output
Host Connection
USB-B
Power Requirements
USB Bus Power
General
Display
LED
Channels of I/O
ADAT:
32 Input / 34 Output
Built-In DSP
No
Maximum Sampling Rate
192 kHz / 24-Bit
Number of Microphone Inputs
No
Built-In Microphone
No
Signal Processing
Pad
No
High-Pass Filter
No
Solo/Mute
No
Connectivity
Analog Audio I/O
1x 1/4" TRS Headphone Output
Digital Audio I/O
4x TOSLINK Optical ADAT / S/PDIF Input
4x TOSLINK Optical ADAT / S/PDIF Output
Host Connection / USB
USB-B
Host Connection Protocol
USB 2.0
USB (Non-Host)
No
Sync I/O
No
Network I/O
No
MIDI I/O
No
Expansion Slots
No
Wireless
No
Performance
Frequency Response
Headphone Outputs:
0 Hz to 20.8 kHz -0.5 dB (at 44.1 kHz)
0 Hz to 45 kHz -0.5 dB (at 96 kHz)
0 Hz to 89 kHz -1 dB (at 192 kHz)
Headphone Output Power
50 mW (Max)
Impedance
Headphone Outputs:
2 Ohms
Dynamic Range
Headphone Outputs:
113 dBA
110 dB RMS
THD
Headphone Outputs:
-96 dB / 0.0016%
THD+N
Headphone Outputs:
-95 dB / 0.0017%
Digital Audio
Sample Rates
Up to 200 kHz
Sample Rate Conversion
No
Bit Depths
24-Bit
Sync Sources
ADAT, Internal, S/PDIF
Clocking
Internal:
Audio Storage & Playback
Media/Memory Card Slot
No
Compatibility
OS Compatibility
macOS 10.6 or Later / Windows 7 or Later
Processor Requirement
Intel Pentium Duo
Required Hardware
Available USB 2.0 Port or USB 3.0 / 3.1/3.2 Gen 1 Port
Power
Power Requirements
USB Bus Power
Power Consumption
1.2 W (Typical)
2 W (Maximum)
Physical
Operating Conditions
41 to 122°F / 5 to 50°C up to 75% Humidity
Dimensions
5.04 x 2.2 x 0.87" / 128 x 55 x 22 mm
Weight
0.5 lb / 220.0 g
Packaging Info
Package Weight
1.3 lb
Box Dimensions (LxWxH)
12 x 7 x 3.85"

RME Digiface USB Reviews

Incredibly flexible studio centerpiece

By Sean
Rated 5 out of 5
Date: 2025-05-26

This interface is SO flexible. It's so small it can be taped/velcroed/shoved into the back of whatever rack of gear it's connected to. It's a really affordable, low-latency, stable way to (1) buy & experiment with various converters & studio configurations and (2) assemble any manner of very specific audio I/O configurations. It functions as its own digital word clock too- allowing you to use any of the input devices as clock, or to send internal clock. I use the ARC remote as a digital monitor controller. I press SPEAKER B to switch the output from my speakers to my headphone DAC, which is connected by changing one of the ADAT pairs to be SPDIF output. This is an amazing feature, and lets you build out a custom audio interface using anything with a toslink connection. Ableton reports 4.17ms (roundtrip) latency at 64 samples and 2.72ms (roundtrip) at 32 samples!! My VST instruments feel like playing a live hardware synth- its awesome. You can even use total mix to buss channels between RME interfaces, allowing stage box or monitor sub mix style configurations. I plan to get a UCX II for my desk & route 8x8 channels to/from the Digiface, so I have a little monitoring stage box that is on my desk, with everything else being tucked away in the rack. 5/5 stars

Excellent Compact Optical to USB interface

By Michael
Rated 5 out of 5
Date: 2017-03-04

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.

See any errors on this page?

Will the Digiface work as USB class-compliant ...

Will the Digiface work as USB class-compliant audio interface for Akai Force with firmware 3.1?
Asked by: Philipp
The Akai Force USB ports are for using USB drives for loading samples. You can also use the included cable to use the Akai Force as an audio interface for your computer. The Akai Force does not have ADAT I/O for compatibility with the RME Digiface. The RME Digiface would require a USB power source if you wanted to be able to run it without a computer.
Answered by: David M
Date published: 2021-10-24

Is Digiface USB, USB class compliant?

Is Digiface USB, USB class compliant?
Asked by: Philipp
Yes it is: The Digiface USB has a Class Compliant mode. Like any audio interface the Digiface USB should have a data transmission to the computer as undisturbed as possible. The easiest way to guarantee this is to connect it to its own bus, which should be no big problem as most USB 2.0 interfaces are a double bus design. A check in the Device Manager can be done as follows: ¾ Connect the Digiface USB to a USB port ¾ Start the Device Manager, View set to Devices by Connection ¾ Select ACPI x86-based PC, Microsoft ACPI-Compliant System, expand PCI Bus
Answered by: Mark S
Date published: 2021-10-22
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