When it’s time to upgrade your Binding Posts this is a great choice. These Gold Plated Brass Binding Posts are sold as a set of 2 pair (2 Red and 2 Black). Select the number of sets you need. For a pair of stereo speakers you will need 1 set. If your speakers are set up for Bi-wire, (Have 4 binding posts on each speaker) you will need to order 2 sets.