Microphone, guitar & bass input. Material: ABS & aluminum alloy.Dimensions: 22.8" x 13.6" x 10.8. Speaker:12 in woofers + 1 tweeter speaker. Built-in Battery: 7.4, Rechargeable. 1 x Portable PA speaker. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Speakers". The seller is "still99_47engb60" and is located in this country: US. This item can be shipped to United States.