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Questyle CAS192D DAC

Questyle CAS192D DAC

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List Price: $1,999.00
Our Price: $1,999.00

Product Code: QUE0000003


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Precisely dig out every single detail
via patented 3x Clock Asynchronous Transmission structure and True DSD technology

During every second of music playback, there are hundreds of thousands of time operations. Any micro error will distort the sound. In CAS192D, it is the 3x clock and the asynchronous transmission structure that ensures a more accurate operation. Among the 3x clocks, one clock is in sync with PC data, the other two individually control multiples of 44.1kHz and multiples of 48kHz.

CAS192D True DSD digital to analog conversion ensures that the signal processing is done under the original DSD format. When processing DSD signals, CAS192D hardware immediately switches to True DSD channel, all the digital filters as well as digital volume control are bypassed, strictly following the standard processing of SACD playback.

For most of the upsampling design, no matter how much the sampling rate is, all the channels sample at 192K other than re-sample integrally, which will cause timing errors and lower the sound quality. While the dual clock integral upsampling of CAS192D is quite different, with extremely low phase noise, the processor automatically identifies the sample rate and upsamples integrally, which eliminates timing errors and improves the sound quality.

The majority of digital audio in the world use FIR (finite impulse response) filters. The pre-ring which FIR digital filters add to the impulse wave produces unnatural sound that ruins the enjoyment in music. While the advanced IIR digital filter completely eliminates the pre-ring from the impulse wave and keeps away from “grainy sound”, producing more ethereal and natural sound. As we know, the top dCS only uses IIR digital filters.


Whole Device

Finish: Silver/Gold
Chassis Material: CNC machining aluminum
Dimension: 12.99”(330mm)[W]×11.81”(300mm)[D]×1.38”(55mm)[H]
Weight: 108oz (3.01kg)

Audio Performance

DAC Chipset : WM8741
USB Input : PCM 44.1K-192K/16-24Bit , Native DSD64
Analog Output Amplitude: RCA 2.44Vrms, XLR 4.88Vrms
THD+N : < 0.005%
SNR : RCA 115dB, XLR 116dB
Standard Digital Input : USB, Coaxial, PCM 44.1K-192K /16-24Bit
PC OS Requirements : Win XP, Vista, Win 7, Win 8 and Mac OS
Media Player for USB Input : any media player

Analog Output: XLR and RCA
Digital Filters in PCM Mode :
5 switchable filters between IIR and FIR filters
Digital Filters in DSD Mode : no filter
Upsampling in PCM Mode: dual clock integral upsampling, on/off switchable
Core Audio Stream Supported by USB: WASAPI, ASIO, KS

Power Supply: 100-120V or 220-230V switchable
Power Consumption: 8W

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