With extensive research, and development, we have refined our digital input architecture  to bring the most detail out of any ethernet capable source.

Featuring a redesigned voltage regulation scheme, and further improved signal isolation for even cleaner transfer of data than ever before, digital has never sounded so good.

The QX-5 Twenty USB2 Add-On/Upgrade will completely transform your listening experience, regardless of the sample rate or source component.

Specify Serial Number in “Order Notes” during checkout.

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Field Installable Kit Includes:

• USB2 Circuit Board
• Thumb Drive with new Firmware
• Installation Hardware
• Instructions