The WEE (Woo Audio Electrostatic Energizer) is a high-end electrostatic headphone converter for your dynamic (non-electrostatic) speaker amplifier. This highly efficient transformer converts your power amplifier's output to drive STAX electrostatic headphones; the sound quality is entirely dependent on the quality of the connected power amplifier. WEE is highly efficient, any 3-watt speaker amplifier is able to drive any STAX headphones effortlessly. A switch on the WEE lets you conveniently select between headphones or speakers listening.