Brand: VOX Color: Black Product Dimensions: 3.3 depth x 8.7 width x 3.9 height cm Item Weight: 0.2 pounds Model Name: amPlug 3 Speaker Output Channels: 1 No cable required. Plug directly into your bass. The fastest way to get authentic sound with a headphone bass amplifier. The analog circuit has been significantly improved to faithfully reproduce the compression and overtones of a wide range of tube amplifiers. The effects section has been revamped. Includes stereo effects, providing a spacious sound when using headphones or recording. Rhythm function added, with 9 basic patterns built into each model. Powered by 2 AAA batteries. *Batteries included. Thank you for viewing.