RME ADI-2 Pro FS

High-End USB/AD/DA Converter and Headphone Amplifier

  • Sample frequencies up to 768 kHz (PCM)
  • DSD playback and recording
  • 2 Analog inputs and 4 analog outputs: XLR and TS
  • 2 Extreme power headphone outputs
  • AES/EBU I/O XLR
  • SPDIF I/O coaxial
  • ADAT or SPDIF I/O optical
  • USB 2.0 (Class compliant UAC 2.0 for iOS devices)
  • Integrated sample rate converter
  • Safety design and overload indicator for headphones
  • Balanced mode for headphones
  • Binaural Crossfeed for convincing speaker simulation via headphones
  • Bass, treble, loudness function
  • Adjustable filters for AD and DA converters
  • Hi-Performance DSP for error-free calculation of all audio data
  • 5-Band parametric EQ and low cut, separately adjustable for left and right channel
  • Level meter
  • Power display
  • Status display
  • Volume/Gain display
  • 30-Band analyzer in DIGICheck technology
  • Channel status infoscreen
  • Professional features: Phase, base width, mono, M/S processing
  • Complex discrete reference level switching via relay
  • All settings can be saved
  • Audiophile PCB and circuit design with carefully selected components
  • FPGA based firmware, update via USB possible
  • Reduced self-jitter with SteadyClock FS, based on Femtosecond-Quartz
  • AutoDark mode - switching off the illumination of the display, buttons and encoders (standby button remains visible)
  • Format: 9.5 / 1 U
  • System requirements: Windows 7 or later, Apple OSX 10.6 or later
  • Incl. driver CD-ROM, manual, breakout cable for AES/EBU and SPDIF coax and external, lockable power supply

Further information

Amount Of Channels 2
AD Conversion Yes
DA Conversion Yes
Max. Resolution 32 bit
Max. sampling rate 768 kHz
S/PDIF Connecor Yes
AES/EBU Connector Yes
ADAT Yes
Word clock No
Number of analog inputs 2
Number of Analog Outputs 4
Headphone connection Yes
14 customer ratings:
  • 5
  • 4
  • 3
  • 2
  • 1
5 / 5.0
  • handling
  • features
  • sound
  • quality
14 written ratings Read all reviews
Total
handling
features
quality
sound

Exceptional device

Spirit_Agent, 22.04.2018
Ridiculously high quality unit with a very polished, non-fatiguing sound, has just about any feature you can think of and the new FS revision even further reduced any jitter. I personally did comparisons between the ADI-2 Pro, Chord Hugo 2, and the Mytek Brooklyn DAC+ and the ADI-2 Pro won in terms of both sound and features.

Pro's:

- Very clean and detailed sound without being harsh
- Almost non-existent jitter (far below audible ranges)
- Excellent DAC
- Excellent headamp
- Excellent pre-amp
- Excellent ADC
- Best USB implementation I've seen to date (even beats USB conditioners/decrapifiers)
- Ability to monitor, excellent for mixing
- Absolutely filled with useful features
- Compact
- True balanced headphone output (adapter not included)
- Drive 2 headphones at once (very handy for comparing)
- Plenty of power on tap, both balanced and unbalanced.
- Very easy to switch from headphones to monitors
- SOTA specifications, along the lines of a Benchmark DAC 3

Cons:

- Slightly pricey but still better and cheaper than direct competitors by a fair margin.
- Not the last word in detail retrieval, soundstage, organic-ness etc but very close nonetheless, a clear audible upgrade would cost at least over 4000 euro

This little box is RME's masterpiece, and I don't see anything coming close to it's sound and features anytime soon in the same price range for both Hi-Fi and professional usage.
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Total
handling
features
quality
sound

Robust ADDA set

Hieronymus, 05.10.2018
Here is an upgrade for steadyclock FS, the femtosecond oscillator, compared with the former edition. And it really brings a more clear sound image than the non-FS one.
It has reached all my needs. But twp aspects.
1, If only it is equipped with a physical AES/EBU XLR jack.
2, Its operating logic is quite strange, especially for parameter EQ.
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$1,515 €1,313.45
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