The Tone Capsule can function with either one or two batteries in series for 9V or 18V operation respectively (battery clips not included).
+-12dB @70Hz (potentiometer included).
+-12dB @500Hz (potentiometer included).
+-12dB 2.8kHz (potentiometer included).
In the interest of continuous improvement, specifications are subject to change without notice. If you have any questions, please don’t hesitate to contact us at www.darkglass.com
The manufacturer claims that the above product fulfills the requirements as set by EN55013, EN55020, EN60555-2, EN60555-3, RoHS, WEEE.