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About the QB9 DSD Twenty
The Ayre Acoustics QB-9 DSD Twenty is an upgraded version of the acclaimed QB-9 DAC, featuring a new JFET differential stage that lowers the noise floor, revised AC filtering, a custom asynchronous USB interface, and a new ESS DAC chip. It supports PCM playback up to 384 kHz and native DSD playback up to DSD256 (4x). The DAC uses a minimum-phase digital filter and single-pass 16x oversampling technology to deliver highly articulate, balanced, and dynamic sound. It offers balanced and single-ended analog outputs with a maximum output of 4 volts balanced and 2 volts single-ended. The unit is compact and well-built, measuring 8.5"W x 11.5"D x 3"H and weighing 5 pounds. It includes Ayre's proprietary AyreLink communication system and Conditioner power-line RFI filter. The QB-9 DSD Twenty is designed to convert a computer into a high-end digital music source with very low jitter and excellent stereo separation, making it suitable for audiophiles seeking uncompromised digital playback.
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