Source: Official website, Last Accessed: 2017/05/02
RME’s 20-years anniversary reference AD/DA converter is a host of devices, all put together into one unit, with a simple and mostly automated way of using it right out of the box, the result being a compact unit with excellent tech specs, crystal clear and transparent sound, and two extremely powerful headphone outputs.
According to the details published, the device comprises of a high-end AD/DA converter, a versatile USB interface, a multi-format converter (AES, SPDIF, ADAT) with monitoring function, a DSD (256x/11.2 MHz) record and playback solution and a double headphone amplifier. ADI-2 Pro can be used as an AD/DA front-end and headphone amp for iPad/iPhone and as an AD/DA front-end for audio measurements at up to 768 kHz sample rate.
The converter includes two servo-balanced analog inputs on combo XLR/TRS jacks, two separate balanced and unbalanced outputs on XLR and TS, two stereo headphone outputs on the front, an optical SPDIF I/O that also understands ADAT, and coaxial SPDIF (RCA) and AES I/O (XLR) via an included breakout cable.
Internal power supply stages and precise regulators use a super-low-noise design to not degrade performance through the power rails. Selected SoundPlus operational amplifiers maintain highest SNR, lowest THD and high slew rate under all conditions. The whole analog circuit design is fully symmetrical and balanced throughout - and DC-coupled. The only capacitors in the signal path perform DC protection at the analog input sockets, and have been carefully selected to avoid any sonic impact RME says.
The 4-channel AD-converter, supporting 786 kHz sample rate and DSD recording, is used in a dual mono design, with 3 dB improved signal to noise ratio. Two premium DACs are used for two separate stereo outputs. Internal audio processing like EQs, cross-feed and spectral analysis, is done by a high performance DSP with 2.17 GFlops (2882 MIPS) capacity. For easy operation, a high quality sample rate converter has been added, switchable to the AES or SPDIF input, solving any clocking problem between those. Also included is RME’s latest SteadyClock III technology, for jitter reduction and stable clocking, no matter if internal or external clocks are used.
RME have incorporated many unique features, like 5-band parametric EQs for fully individual phones compensation, adjustable bass/treble controls with quick access, a binaural cross-feed function, adjustable loudness filter, selectable AD/DA filters, four discrete I/O reference levels, auto reference level setting, auto balanced phones mode, and many more. The display is not only used to control the unit, but also shows warning and guidance messages.
Professional features such as M/S Processing, stereo width and phase reversal up to full control and storage of all settings are included, as well as RME’s famous spectral analyzer, a 30-band bi-quad filtered analysis tool offering unprecedented musical visualization, perfectly complementing the high-resolution IPS display.
RME's Extreme Power headphone amp design excels with 0.1 Ohm output impedance, a maximum output level of +22 dBu, and a maximum output power of 1.5 Watts per channel. The two, fully separated stereo headphone outputs deliver the same 120 dBA SNR performance as the line outputs, for a full hum and noise free listening experience. THD is far below -100 dB (0.001%) even at full power, for the most clear and detailed soundstage possible, the company states.
For more information: https://www.rme-audio.de/