The Magnadyne AS590B 4-inch dual cone speaker is a black speaker that is sold as a pair. The speaker comes with two grills, two wires and eight screws for the mounting holes (see all the listing photos). AS590B Function/Spec List: 10 oz. magnet weight, 25 watts maximum power handling, 4-ohm impedance, 75Hz-16kHz frequency response, 1-13/16" mounting depth.