THE WOOD WVA-10D ELECTRIC VIOLIN AMPLIFIER: This dedicated electric violin amplifier, customized and developed by Mark Wood, is perfect for practice or performance. This custom-voiced amp features 2-band EQ with bass and treble control, a distortion channel (that goes to 11!), variable delay with level control, and a headphone output. This great-sounding amp packs a real punch and is the perfect companion for any electric violin. The WVA-10D will work in any country that runs 110V electricity such as the US and Canada. For other countries, the amp will work with a universal adaptor/converter that can be purchased at any local electronic store. AMP SIZE: W(10")x H (11")x L (7") WEIGHT: 12 lbs SPEAKER: 7" Speaker FREQUENCY RESPONSE: 100Hz-10KHz