At the top of RME’s converter lineup, the ADI-2/4 Pro EX pushes performance and reliability to new heights. Equipped with upgraded ESS converters, USB-C connectivity, and refined protection circuitry, it represents the pinnacle of RME’s conversion technology.

- RME's latest AD/DA converter is:
- A high-end AD/DA converter in professional studio quality
- A double headphone amplifier in true high-end quality
- A USB DAC like no other - the most versatile and capable one around
- A high-end AD/DA frontend and headphone amp for iPad and iPhone
- An AD/DA frontend for measurement systems at up to 768 kHz sample rate
- A multi-format converter (AES, SPDIF, ADAT) with monitoring
- An SPDIF/ADAT playback system
- A DSD record and playback solution
- A vinyl player digitizing solution on highest level

A Multitude of Devices compressed in one Housing
The ADI-2/4 Pro EX is a 2-channel analog input to digital and 4-channel digital to analog output converter in a half-rack (9.5") enclosure of 1 U height. Latest 32 bit / 768 kHz converters offer up to 127 dBA signal to noise ratio. Reference class tech specs throughout are combined with an unprecedented feature set. A powerful DSP adds all kinds of useful audio processing, including 5-band parametric EQ, fast Bass/Treble adjustment, Crossfeed, and a new concept in Loudness sound control.

The ADI-2/4 Pro EX includes two servo-balanced analog inputs on combo XLR / TRS jacks, two separate balanced and unbalanced outputs on XLR and TRS, two stereo Extreme Power headphone outputs on the front for easy balanced operation of all headphones, including IEMs via Pentaconn connector.

Also available are optical SPDIF I/O, which also understands ADAT, as well as coaxial SPDIF (RCA) and AES I/O (XLR) via an included breakout cable. This universal set of I/O options offers superior quality and flexible connectivity to those who take a no-compromise approach to audio.

With independent balanced outputs for Line and Phones, balanced phones no longer mutes the rear outputs. Balanced Line and Balanced Phones outputs can be used simultaneously, even with different sources/signals. The balanced TRS in the back can be fed from Line 1/2 or Phones 3/4 signal path, perfect for handling insert effects during the mastering process.

A high resolution IPS panel for the graphical operation surface eases operation even more, and displays further functions provided by the DSP, namely Peak level meters, a 30-band analyzer in DIGICheck biquad filter technology, and a State Overview screen listing the current states of SPDIF, AES, USB and clock.

As a computer interface the ADI-2/4 Pro EX offers a stereo (2 in / 2 out) and a multichannel mode (6 in / 8 out). Compatibility with macOS comes right out of the box. Under Windows the ADI-2/4 Pro EX uses RME's MADIface series driver, for full WDM and ASIO compatibility and highest performance.

Extreme Power Headphones - The new Reference in Accuracy and Dynamic Range
RME’s developed Extreme Power headphone stage is now further improved and delivers incredible more powerful headphone outputs. With a Special IEM mode, the Lower noise Extreme Power design adds additional IEM power states (High power, Low power, IEM) for full IEM compatibility.

All three phones outputs feature mute relay, over-current detection, DC protection, plug detection and DSP control, like auto assigning volume, volume ramp up, auto balanced mode, dual phones mode, user interaction at overload detection, and low impedance level meter auto scaling.

RME’s True Balanced mode realizes balanced phones operation independent from the XLR outputs. The device features 2 balanced input channels and 4 balanced output channels. Balanced headphones only use DAC channels 3/4 and the rear outputs can still output an independent signal via DAC 1/2. In True Balanced mode the ADI-2/4 Pro SE’s maximum output level rises to +7 dBu for IEM, +13 dBu for Low Power, +25 dBu for High Power. The signal to noise ratio stays unchanged.

Latest-Generation ESS Conversion
The ADI-2/4 Pro EX features RME's latest converter design with the ES9823Pro A/D converter and ES9039Q2M D/A converter, delivering improved signal-to-noise ratio, lower distortion and even greater conversion accuracy. Combined with RME's optimized analog circuitry and SteadyClock EX technology, the unit continues to provide transparent conversion and exceptional clock stability.

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