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XDA-2

USB DAC/Digital Preamp/Headphone Amp

The nerve center of your modern digital audio system.

The XDA-2 connects to all your digital music sources—computer, media player, CD transport, and more—and delivers audiophile-quality sound. With its precision analog resistor ladder volume control that maintains resolution even at low volumes, the XDA-2 is an ideal digital preamp. At the same time, its discrete, high-current headphone amplifier drives headphones with authority.

The XDA-2 is the ideal way to enhance the sound quality of virtually any audio system. No matter your digital source—or sources—the XDA-2 is ready, with multiple optical and coaxial inputs, as well as USB support for standard sample rates up to 24/192 USB for easy connection to your computer. Emotiva’s Differential Reference™ topology, combined with an asynchronous sample rate converter to remove jitter, delivers exceptional sound quality. Coupled with the convenience of a front-panel alphanumeric display and a full-function machined aluminum remote control, there’s no better value in DACs today.

The nerve center of your modern digital audio system.


Features
  • Three audiophile-quality components in one: USB DAC, digital preamp, and high-current headphone amplifier.
  • Full 24/192 support for all inputs, including USB.
  • 6 digital inputs (2 coax, 2 Toslink, 1 USB, 1 AES/EBU).
  • Analog Devices AD1955 multi-bit delta-sigma DAC delivers exceptional performance and superior audio quality.
  • Analog Devices AD1896 asynchronous sample rate converter (ASRC) provides almost total immunity to jitter.
  • ASRC bypass mode.
  • Differential Reference™ balanced design with OPA 2134 precision op amps.
  • Incorporates a seamless high-quality digital preamp with analog resistor ladder volume control with 0.25dB steps and flawless channel tracking down to -100dB attenuation.
  • Connects directly to an Emotiva amp for a complete system.
  • Includes an audiophile quality discrete headphone amplifier.
  • Powers all standard headphones, a low 0.1 ohm output impedance, and a 105dB signal to noise ratio.
  • Sounds great with sensitive headphones and in-ear monitors.
  • Informative front panel display (with configurable brightness) for input and sample rate.
  • Independent control and retention of main output level and headphone volume.
  • Full function machined aluminum remote control included.
  • Universal AC voltage—automatic 115VAC/230VAC operation.
  • Sophisticated low noise power supply with a high quality toroidal transformer and multiple stages of linear regulation.
  • Transferrable 5-year warranty, 30-day in-home trial.


Photos





Specifications
  • Main Output Level:
    1 VRMS (nominal, unbalanced with full scale digital signal); 2 VRMS (maximum, unbalanced)
    2 VRMS (nominal, balanced with full scale digital signal); 4 VRMS (maximum, balanced)
  • Frequency Response:
    20 Hz – 20 kHz +/- 0.1 dB (44/16)
    20 Hz – 40 kHz +/- 0.1 dB, -3 dB @ 80 kHz (192/24)
  • THD+N (all sample rates): < 0.0025%
  • IMD:
    < 0.0025% (44/16)
    < 0.0005% (192/24)
  • S/N Ratio:
    > 96 dB (44/16)
    > 113 dB (192/24)
  • Crosstalk:
    < 100 dB (44/16)
    < 113 dB (192/24)


  • Headphone Amplifier Output
  • Output Power:
    1.9 VRMS max into 10 Ohms @
    < 0.02% THD (360 mW)
    2.25 VRMS max into 47 Ohms @
    < 0.015% THD (100 mW)
    2.25 VRMS max into 100 Ohms @
    < 0.01% THD (50 mW)
    2.25 VRMS max into 300 Ohms @
    < 0.01% THD (16 mW)
    2.25 VRMS max into 600 Ohms @
    < 0.01% THD (8 mW)
  • Signal to Noise Ratio:
    > 105 dB (ref full output)


  • Size unboxed: 17” W x 2.25” H x 14” D
    (not counting feet and connectors)
  • Weight: 10.5 lbs (unboxed)
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