BOSE Amp Assy, 6000, GMT9XX, STBrand new BOSE Amplifiers. Amplifiers are untested, but purchased new in original package. See shipping label in photo.Price is per unit, I have six available. Take them all, and receive a bulk discount on shipping.Can't confirm, but understand it will fit 2008-2013 GMC Yukon and Cadillac Escalades.