Product manuals

This page provides links to printed product manuals in PDF form. For additional information and documentation, be sure to check the corresponding software installer download link next to each product.

Many of the product manuals on this page are supplied in the form in which they were originally published and may not be entirely up-to-date. Dates are posted in MM-DD-YYYY format.


Updated Limited Warranty on Hardware

USB-C audio interfaces




Thunderbolt / AVB / FireWire / USB audio interfaces


MIDI interfaces

*The micro express, micro lite, MIDI Express 128, and MIDI Express XT share the same manual, so the links above point to the same document.


Video interfaces


Guitar products


Legacy PCI audio interfaces

*The 2408mk3, 24io, and HD192 core systems and expansion I/Os share the same manual, so the links above for each platform point to the same document.

**This separate supplement was published when the PCIe-424 card was introduced and covers new information not included in the original manual.


Other legacy hardware products