Use a pair of ADDAC213As to send & receive 8 CV or audio signals between different points in your case, between your different cases, or between your case and a friend\’s case! The ADDAC213s are always sold as a pair of 2 modules and an included ribbon cable (50cm or 100cm ribbon cable, or custom sizes available upon request). If you want to depict the Left / Right versions of the module in your case, just use the flip option on MG and have the module turn 180 degrees. Ships as a pair!