For more specs on this unit, please see below. 1 3/8 diameter pole mount on top of cabinet.Heavy duty stamped frame woofer. Dimensions: 18 (H) x 15" (W) x 14" (D). Inputs: ¼ input connection as well as binding posts. Any questions, please ask me. I accept Pay Pal for payments. Please contact me if you can not pay through pay pal. If you receive the wrong item, or an item that is damaged, I will make it right with a replacement or return. We pride ourselves in our business and taking care of our customers. We are certain that you will be satisfied with your product and our service. The item "NEW (2) 12 SUBWOOFER Speakers PAIR. Pro Audio" is in sale since Saturday, March 9, 2013. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Speakers & Monitors". The seller is "high5electronics" and is located in SC. This item can be shipped to United States.