Ayre QB-9 USB DAC

qb 9

The integration of the personal computer (PC) into the home stereo system has provided a revolutionary way to purchase, organize, and play your digital music collection. The Ayre QB-9 digital-to-audio (D/A) converter provides an equally revolutionary way to play back your music files with unprecedented fidelity and realism. Connected via the ubiquitous USB port, the QB-9 generates a fixed-frequency master audio clock and requests the data from the computer at the correct time for jitter-free playback of your music. This is all done using the standard device drivers supplied with all recent operating systems, allowing simple installation and operation with most computers. The QB-9 also utilizes opto-couplers to provide total electrical isolation for the connections between your computer and music system. This minimizes the introduction of unwanted radio-frequency interference (RFI), generated by all computers.

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