The QXR card upgrade is the most significant improvement to Cyrus amplifiers in recent years. Bringing a world of the highest-resolution digital inputs to products up to a decade old.

QXR works with numerous Cyrus products, not only improving the sonic performance through the addition of a 32bit/768k DAC and all-new asynchronous USB bridge but also substantially improving the performance of the headphone amplifier section of these integrated and pre-amplifiers.

The new QXR card is capable of processing PCM audio to 768k at a 32bit depth and ‘Native’ DSD 512, through the USB input. The high-specification ESS DAC uses asynchronous upsampling to deliver a sublime audio signal regardless of source. Even via the lower resolution digital S/PDIF and Toslink interfaces, incoming signals are ‘reclocked’ to substantially reduce noisy ‘jitter’ and deliver a refined, cleaner audio signal to the pre-amplifier stages of the upgraded product.

The improved headphone amplifier, included within the upgrade, reduces the noise floor, providing a much improved dynamic range. Capable of outputting 138mW per channel into 16ohm loads, it can comfortably drive headphones with impedances of up to 64ohm.

Compatible File Formats and Resolutions: PCM audio to 768k at a 32bit depth and DSD native 512.

This upgrade is available for the following Cyrus models: 8₂DAC, 8₂DAC Qx, 8 DAC, 8 DAC Qx, 8 a, 6 DAC, 6a, 8 XP, 8 XPd, 8 XPd Qx, 6 XP, 6 XPd, Pre₂DAC, Pre₂DAC Qx, Pre DAC, Pre DAC Qx, Pre XP, Pre XPd, Pre XPd Qx