Ayre Acoustics QB-9 DSD

One of the best USB DACs in the world.  You can look up and read all about this product.  It is the perfect complement for all the high res services now on desktop including TIDAL, MQA Files, and good old fashioned iTunes and Spotify off a computer.  Or, use it with a USB server for even better performance.  

Perfectly proportioned, the QB-9DSD is destined to convert your computer into an uncompromized digital library of your favorite music. A simple USB connection engages the Asynchronous transfer mode ensuring accurately timed music with jitter levels over a hundred times lower than previous USB solutions. The Ayre minimum phase digital filter and single-pass 16x oversampling technology release layers of musical resolution—uncovering the emotional soul of your music. 

Features

Asynchronous transfer mode for USB input. 

DSD or PCM input over USB. 

Minimum phase digital filter. 

Single-pass 16x oversampling. 

Zero-feedback, fully balanced discrete 
circuitry. 

Equilock circuitry for active gain 
devices. 

Ayre Conditioner power-line RFI filter. 

AyreLink communication system. 

Specifications

Frequency Response 

DC - 20 kHz (44.1 kHz sample rate)

DC - 22 kHz (48 kHz sample rate)

DC - 40 kHz (88.2 kHz sample rate)

DC - 44 kHz (96 kHz sample rate)

DC - 80 kHz (176.4 kHz sample rate)

DC - 88 kHz (192 kHz sample rate)

DC - 80 kHz (2.8224 MHz sample rate – DoP ) 

Signal/Noise 

110 dB (unweighted) 

Output Level 

4 volts balanced, 2 volts single-ended