Ethan Winer and William Eppler Author Profile

Ethan Winer and William Eppler
Ethan Winer has been an audio engineer and professional musician for more than 45 years. His Cello Rondo music video has received nearly 2 million views on YouTube and other web sites, and his book The Audio Expert published by Focal Press, now in its second edition, is available at and Ethan is also a principal of RealTraps, a manufacturer of acoustic treatment. Bill Eppler is a black belt electronics engineer and MIT graduate with decades of experience.