Amazing versatility. Perfect for any event. The Ecoustic 110 EFX has been designed to get the most out of electrical instruments that have delicate tonal ranges and special nuances that may not be heard through standard amps. Whether you play acoustic guitar, violin, or harmonica, this amp is the answer for those hard-to-EQ acoustic instruments. It also works great for vocals. The Ecoustic uses special buffers, EQ and feedback controls to capture the true essence of acoustic sound.