4 Empty 18-inch Active Bass Boxes, all 4 amps working perfect. Collection in person only. The item “4 Empty 18-inch Active Bass Boxes, all 4 amps working perfect” is in sale since Friday, October 16, 2020. This item is in the category “Sound & Vision\Performance & DJ Equipment\Speakers & Monitors”. The seller is “danie.orleb” and is located in London. This item can’t be shipped, the buyer must pick up the item.