©2014 WOO AUDIO
tm
Inc. All rights reserved.
www.wooaudio.com
Rev 1.0. May, 2014
1
WOO AUDIO WA7d Fireflies Duo
Class-A Single-ended Vacuum Tube Headphone Amplifier
&
32-Bit/192kHz Digital to Analog Convertor
Owner’s Manual
Please review this manual before operating your WOO AUDIO™ product.
