24-bit DAC & Headphone Amplifier

AudioengineSKU: D1

Sale price$169.00
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The D1 is a premium 24-bit DAC and headphone amplifier for your computer, phone, tablet, TV and more. It's the perfect audio upgrade interface between your computer and music system and will improve your listening experience through speakers or headphones.

  • DAC type
    USB and Optical

    USB Audio
    S/PDIF Optical

    D/A converter
    ESS ES9018

    USB transfer mode
    Asynchronous dual clock

    USB controller
    CT7601CR USB streamer

    USB device class
    Type 1.1 or above

    Input bit depth
    Up to 24 bits

    Input sample rate (USB)
    32kHz-96kHz native playback
    188.2kHz & 192kHz re-sampled to 96kHz

    Input sample rate (optical)
    32kHz-192kHz native playback

    Analog RCA L/R stereo
    Analog 3.5mm mini-jack stereo

    Full-scale output level
    2.0V RMS

    Output impedance
    2 ohms

    Recommended headphone impedance range
    10 ohms to 600 ohms

    Headphone amplifier
    ES9601C SABRE

    Optical receiver

    Frequency response
    10Hz-25KHz (+/- 0.5dB)

    (DC to 20 kHz) >110dB

    (1kHz FS 96kS/s) <0.0025%


    Power requirement
    USB 5V DC, 200mA

    USB power filtering
    2-stage redundant regulation

    Product dimensions
    3.5″ (8.9 cm) x 3.75″ (9.5 cm) x 1″ (2.5 cm)

    Shipping weight
    1.0lbs (0.5kg)

    Operating Temperature: 32 to 95 degrees F
    Non-operating Temp: -4 to 113 degrees F
    Relative Humidity: 5% to 95% non-condensing

    Included accessories
    USB cable
    Setup guide
    Microfiber bag

    D1 DAC
    The D1 uses the ESS ES9018 DAC, which is well regarded for its low noise and high fidelity. Due to the high signal-to-noise specs of the ES9018 and the added benefit of double redundancy power source conversion and filtering, the D1 presents impressive low noise and low distortion characteristics. The D1 can process digital audio at any bit depth up to 24-bits and any sample rate up to 96kHz (192kHz using optical)

    D1 Headphone Amplifier
    The D1 includes the ES9601C SABRE headphone driver amp with circuit protection and is designed for a wide range of headphones that will satisfy even the most critical listeners.

    D1 Power
    The D1 is powered directly from the USB input and passed through two stages of regulation to ensure no USB power variations affect the audio quality. Because of the efficiency of the D1, it can even be powered by a phone or tablet.

    D1 Preamp
    The audio line-out preamp connects to powered speaker systems, amplifiers, or other external decoders with an analog or optical output.

    D1 Volume Control
    Volume for headphones and line-out is controlled directly from the D1 front panel via the digitally-controlled analog potentiometer. Smoothly adjust volume levels at fine increments without any undesirable noise or channel imbalance at lower volumes.

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