Amazing Performance : TS-112 comes with two speakers.The combination of 8 "woofer and 2.5" tweeter makes the sound elastic and percussion.A powerful 30-watt amplifier, and a speaker with ports for increased volume and bass effect. Distortion Control The brand-new tone switching circuit and the distorted tone tuned for bass, whether it is a gentle unvoiced sound or a fierce distortion can be controlled . Headphone Output Use the 1/8" headphone output jack for private practice, which will also mute the speaker output. MP3 Jack Just plug the MP3 player into the 1/8" auxiliary input jack, you can play your favorite tracks and immediately become a member of the band. Multi-purpose Use for electric bass guitar practice, street performance, karaoke with friends, band performance, outdoors playing.