The X-over 3 Pro User Manual is the "how to" book for the passive crossover network design software by Harris Tech. The software and software license are NOT included and must be purchased separately from Harris Tech or one of its authorized distributors. This is the 5th edition of the book (2013) and its instructions apply to version 3.0.18 or later of the X-over 3 Pro software. The 247-page User Manual is generously illustrated and includes an introductory "Crossover Network Designer's Guide" and an in-depth "X-over Pro Reference" section describing the many features of the software. Also included are several appendixes with a list of command shortcuts, glossary of terms, driver shapes, suggested reading, driver parameter and acoustic data worksheets, and an index.