D3 24-BIT DAC Overview Audioengine D3 Premium 24-bit DAC - Connect D3 to a USB port on your Mac or PC and send high-quality music to your headphones or any audio system. Easy setup Setup is easy and no special software is needed, making D3 a true plug-and-play solution. The D3 plugs directly into a USB port on your computer so no external power supply or cables are needed. The output of the D3 connects to headphones, Audioengine powered speakers, or any audio system. The D3 also has a sample rate indicator that shows sample rates above 48K so you'll know you’re getting the most out of your HD music. Versatile The quality of most computer headphone outputs isn't generally very inspiring, so the D3 provides a better option by streaming audio from your computer's USB port and directly connecting to your music system or headphones. The D3 DAC is the perfect way to get great-sounding music not only from your computer to headphones but also from your computer to any music system. Designed for the headphone enthusiast D3 will process digital audio at any bit depth up to 24 bits and any native sample rate to 96KHz. With it's high signal-to-noise ratio and low distortion, the D3 delivers sound quality generally heard only in more expensive DACs. The high-performance headphone amplifier was designed for a wide range of headphones and will satisfy even the most demanding headphone enthusiast with its high output and revealing sound. The D3's asynchronous data transfer carefully controls USB streaming audio from any computer which greatly improves audio performance. See and hear the difference The aluminum case of the D3 reflects traditional Audioengine design and the high-quality components and audio fidelity are typical of Audioengine's commitment to great sound at affordable prices. The Audioengine D3 continues to close the gap between your computer music and home hi-fi and even if you're not an audio enthusiast we guarantee your music will sound better! Features
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Full-scale output 2.0V RMS Frequency response 10Hz-25kHz (+/- 0.5dB) SNR (DC to 20kHz) >110dB THD+N (1kHz FS 96 kS/s) <0.002% Crosstalk -110dB USB transfer mode Asynchronous (dual clock) USB device class Type 1.1 or above Input USB Audio Input bit depth up to 24 bits (upsampled) Input data rate up to 192KS/s Output Analog audio minijack Output impedance 10 ohms Suggested headphone impedance 12 ohms to 10K ohms Headphone amplifier LME49726 D/A converter AKM4396 USB controller TI1020B Power requirement USB 5V DC, 200mA USB power filtering 2-stage redundant regulation Product dimensions 6.5 x 2 x 1 cm (including USB connector) Shipping weight 1.0lbs (0.5kg) Environmental Operating Temperature: 32 to 95 degrees F Included accessories 1/8" to 1/4” adapter cable D3 Internal Converter The heart of the D3 is 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 D3 presents impressive low noise and low distortion characteristics. The D3 can process digital audio at any bit depth up to 24 bits and any sample rate up to 192kHz. D3 pads (upsamples) all bit depths internally to 24 bits, thus achieving a higher signal-to-noise ratio. D3 Headphone Amplifier The D3 contains a high-performance headphone amplifier based on the LME49726 low-noise opamp. This amp is able to provide low-impedance, high-fidelity audio and a 2-volt output which easily drives a wide range of headphones, including headphones with impedances as low as 12 ohms. The D3’s relay-controlled stereo outputs can also be connected to any system with an analog audio input, such as Audioengine powered speakers, for example. D3 Power The D3 is powered directly from the USB bus and power is passed through two stages of regulation to ensure no USB bus power variations affect the audio quality. This low-noise, low-ripple power supply is located on a separate circuit board for extra isolation and thermal management. D3 Volume Control Volume is controlled from the computer’s OS and is implemented in the D3 as a digitally-controlled analog volume control. |