The RME ADI-2 DAC FS is a two-channel digital-to-analog converter for the discerning audiophile or engineer. It offers 32-bit conversion up to 768 kHz, making it compatible with high-resolution PCM formats and even DSD256. Additionally, the ADI-2 is compatible with iOS devices with apposite adapters, so you can enjoy audio streamed off your tablet or iPhone in a high-quality manner.
For connections, the ADI-2 DAC FS offers stereo RCA outputs, stereo XLR connections, a 1/4 headphone output, and a low-noise IEM output. You can feed digital signal to the unit over USB, S/PDIF coaxial, S/PDIF Optical, or ADAT.
The built-in headphone amplifier provides low THD values even with 32- or 16-Ohm headphones, ensuring a transparent and crystal-clear sound. Onboard DSP allows you to dial in crossfeed, or instantiate a precise EQ for your exact predilections. This DSP also offers other features, such as a loudness contour reminiscent of old HiFi systems, and M/S encoding or decoding.
A high-resolution graphical operation surface makes operating the unit a breeze, as do the three push-button encoders and four dedicated-menu buttons. Included with the ADI-2 DAC FS are a remote control, an external power supply, a power cord, and a USB cable.
32-Bit / 768 kHz Converter
The ADI-2 DAC is a 2-channel digital to analog converter in a half-rack enclosure. 32-bit / 768 kHz converters offer a signal to noise ratio up to 120 dBA.
Powerful DSP
Powerful, built-in DSP adds useful audio processing, including a 5-band parametric EQ, fast Bass/Treble adjustment, Crossfeed, Loudness control, and more.
Easy to Operate
Operation is quick and easy through three encoders, with push-button functionality, as well as four buttons to access dedicated menus. The unit remembers all current settings, even the menu position.
Digital Inputs
Class Compliant UAC 2 enables up to 768 kHz sample rate on an iPad. The same is available on computers for high resolution of PCM, DXD, and DSD at up to 768 kHz / DSD256. SPDIF coaxial and optical can be used alternately. SPDIF optical also supports two channels of ADAT operation, at up to 192 kHz.
A Panoply of Outputs
The balanced and unbalanced outputs are fitted with both XLR and RCA jacks. The unit uses a fully-balanced and DC-coupled circuit design. The Extreme Power headphone output provides reference-grade sound and headroom. RME s IEM output offers low-noise operation for today s super-sensitive in-ear monitors.
Level Settings
To maintain the full dynamic range within the best operating level, discrete 4-stage reference-level settings were utilized (-5, +1, +7, +13 dBu). The digital volume control of the ADI-2 DAC operates distortion free over a range of 190 dB, staying out of the sound s way.
Steady Clocking
RME s SteadyClock FS performs in all clock modes. Thanks to highly-efficient jitter suppression, the DA-conversion always operates on a high sonic level, being completely independent from the quality of the incoming clock signal.
RME ADI2 DAC FS Specs
| Converter Type | AD/DA Converter |
| Number of Channels | 2 |
Connectivity
| Analog Audio I/O | 2 x XLR 3-Pin Balanced Output 1 x Stereo RCA Coaxial Unbalanced Output 1 x 1/4" TRS Headphone Output 1 x 1/8" / 3.5 mm Headphone Output |
| Digital Audio I/O | 1 x RCA Coaxial S/PDIF / AES3 Input 1 x TOSLINK Optical S/PDIF / ADAT Input |
| Host Connection Protocol | USB 2.0 |
| Sync I/O | None |
| Network I/O | None |
| MIDI I/O | None |
Performance
| Frequency Response | Analog Outputs: 0 Hz to 20.2 kHz +0/-0.1 dB (at 48 kHz) 0 Hz to 44.9 kHz +0/-0.5 dB (at 96 kHz) 0 Hz to 88 kHz +0/-1 dB (at 192 kHz) 0 Hz to 115 kHz +0/-1 dB (at 384 kHz) 0 Hz to 109 kHz +0/-3 dB (at 768 kHz) |
| Maximum Output Level | XLR Outputs: +19 dBu at 0 dBFS (Switchable) +13 dBu at 0 dBFS (Switchable) +7 dBu at 0 dBFS (Switchable) +1 dBu at 0 dBFS (Switchable) RCA Outputs: +13 dBu at 0 dBFS 1/4" Outputs: +22 dBu at 0 dBFS 1/8" / 3.5 mm Headphone Outputs: -3 dBu at 0 dBFS |
| Headphone Output Power | 1/4": 1.5 W per Channel (Max, 0.001% THD) 1/8" / 3.5 mm: 40 mW per Channel into 8 Ohms (Max, 0.001% THD) |
| Impedance | XLR Outputs: 200 Ohms (Balanced) 100 Ohms (Unbalanced) 1/4" Headphone Outputs: 0.1 Ohms (Unbalanced) |
| SNR | XLR Outputs: 117 dB RMS (Unweighted, at +19 dBu) 120 dBA (A-Weighted, at +19 dBu) 115.4 dB RMS (Unweighted, at +1 dBu) 118.9 dBA (A-Weighted, at +1 dBu) RCA Outputs: 117 dB RMS (Unweighted, at +13 dBu) 120 dBA (A-Weighted, at +13 dBu) 114 dB RMS (Unweighted, at +1 dBu) 116 dB RMS (Unweighted, at +7 dBu) 117 dBA (A-Weighted, at +1 dBu) 119 dBA (A-Weighted, at +7 dBu) 109 dB RMS (Unweighted, at -5 dBu) 113 dBA (A-Weighted, at -5 dBu) 1/4" Outputs: 117 dB RMS (Unweighted, at +22 dBu) 120 dBA (A-Weighted, at +22 dBu) 116 dB RMS (Unweighted, at +7 dBu) 119 dBA (Unweighted, at +7 dBu) 1/8" / 3.5 mm Headphone Outputs: 115 dB RMS (Unweighted, at -3 dBu) 118 dBA (A-Weighted, at -3 dBu) |
| THD | XLR Outputs: -112 dB / 0.00025% (at -1 dBFS) -116 dB / 0.00016% (at -4 dBFS) RCA Outputs: -112 dB / 0.00025% (at -1 dBFS) -116 dB / 0.00016% (at -4 dBFS) 1/4" Outputs: -110 dB / 0.0003% (at +18 dBu) -110 dB / 0.0003% (at +14 dBu) |
| THD+N | XLR Outputs: -110 dB / 0.00032% (at -1 dBFS) RCA Outputs: -110 dB / 0.00032% (at -1 dBFS) 1/4" Outputs: -107 dB / 0.00045% (at +18 dBu, 32-Ohm Load) |
| Channel Separation | Analog Outputs: > 120 dB |
Digital Audio
| Sample Rates | Internal: 44.1 to 768 kHz External: 44.1 to 200 kHz |
| Sync Sources | Internal, S/PDIF |
| Clocking | Lock Range: 44 to 200 kHz Jitter Suppression: > 50 dB (2.4 kHz) |
Compatibility
| OS Compatibility | Windows 7 or Later macOS 10.6 or Later iOS 7 or Later *As of November, 2021: Check with manufacturer for the most up-to-date compatibility |
| Processor Requirement | Intel Core i3 |
| Required Hardware | Available USB 2.0 Port (USB 3.0 / 3.1 Gen 1 Port, or) Dock to USB Adapter 30-Pin, Lightning to USB Adapter (or) |
Power
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| AC/DC Power Adapter | 12 VDC at 2 A |
| Current Consumption | 570 mA (Idle) |
| Power Consumption | 120 mW (Standby) 7 W (Idle) 18 W (Maximum) |
Physical
| Operating Humidity | 0 to 75% |
| Operating Temperature | 41 to 122°F / 5 to 50°C |
| Dimensions | 8.5 x 5.9 x 2" / 21.5 x 15 x 5.2 cm |
| Weight | 2.2 lb / 1.0 kg |
Packaging Info
| Package Weight | 4.5 lb |
| Box Dimensions (LxWxH) | 13.75 x 8.5 x 3.34" |
In the Box
- RME ADI-2 DAC FS Ultra-Fidelity PCM/DSD 768 kHz DA Converter
- Remote Control with Battery
- External Power Supply
- Power Cord
- USB Cable
- 2-Year Manufacturer Warranty
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