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DAC type: Dual Mode USB and Optical (SPDIF)
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Inputs: USB/Optical (SPDIF)
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Outputs: RCA stereo/3.5mm headphone
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D/A converter: AKM4396
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Optical receiver: CS8416
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USB controller: TI1020B
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USB: Type 1.1 or above
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Full-scale output: 2.0V RMS (RCA and Headphone)
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Output impedance: 47 ohms RCA, 10 ohms headphone
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Power source: USB 5V
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Power requirement: 200mA
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USB power filtering: 2-stage redundant regulation
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SNR: >110db
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THD+N: <0.002%
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Crosstalk: <-85db
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Frequency response: 10Hz – 25KHz +/- 0.5db
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Input bit depth: up to 24 bits
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Input data rate: up to 192KS/s (optical), 96KS/s (USB)
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Product dimensions: 3.5x4x1″
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Environmental
-Operating Temperature: 32 to 95 degrees F
-Non-operating Temp: -4 to 113 degrees F
-Relative Humidity: 5% to 95% non-condensing
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Included accessories
-USB cable, 2ft
-Setup Guide
-Microfiber bag
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D1 USB
The D1 utilizes the TI1020B USB controller, widely recognized as a standard for higher-end USB audio products. The D1 is powered directly from the USB bus and USB power is passed through two stages of regulation to ensure high stability and low noise.
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D1 DAC
The D1 uses the AK4396 DAC, well regarded for its low noise and high fidelity. Due to the high signal-to-noise specs of the AK4396 and the added benefit of double redundancy power source conversion and filtering, the D1 presents impressive low noise and low distortion characteristics.
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D1 Headphone
The D1 includes a headphone amp based on the TI NE5532 low noise opamp. This headphone amp is able to provide low-impedance, high-fidelity audio to a wide range of headphones and supports headphones with impedance as low as 20 ohms.
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