Alto TS212s Sub (Pair) Active 12 Inch Sub. Used but in great condition Never driven to hard and have been well looked after. Collection from Stockport, Manchester. The item “Alto TS212s Sub (Pair) Active 12 Inch Sub” is in sale since Sunday, September 22, 2019. This item is in the category “Sound & Vision\Performance & DJ Equipment\Speakers & Monitors”. The seller is “raaco2004″ and is located in Stockport. This item can’t be shipped, the buyer must pick up the item.