Editor-in-Chief of The Absolute Sound, Robert Harley has been a full-time audio journalist since 1989. Before writing about high-end audio, he worked in professional audio as a recording engineer, as a college instructor of audio engineering, and as a CD mastering engineer. He has written three books on home hi-fi systems, including The Complete Guide to High-End Audio, widely considered the reference on high-performance audio. Most recently, he is the editor of The Absolute Sound’s Illustrated History of High-End Audio, Volume One: Loudspeakers, a lavishly produced large-format book that tells the inside stories behind the creation of the high-end audio industry’s most iconic companies and their landmark products. His books have sold more than 270,000 copies in five languages.