Dual male spade connectors on the cable end connect to female spade terminals on the cable that went to the speaker. The other end of that cable connects to the input of the MASS. The other cable plugs into the output of the MASS and the end of that cable is connected to the spade lugs on the speaker. Each cable is 2ft long.
*Will not work with fully closed-back amplifiers such as the Vox AC30S1 without modification. Please be prepared to modify your amp if you choose.