Eastone EB534B, Banana Plugs Connector Adapter 24K Top Quality, 12 Pairs 24k gold plated and copper made non-magnetic. Double screws locking, no soldering Easy to fit for wire size up to 4mm. Accept speaker wire: 8AWG, 9AWG, 10AWG, 11AWG, 12AWG, 13AWG,14AWG, 15AWG, 16AWG, 17AWG, 18AWG, 19AWG, 20AWG. Color: red and black code 100% brand new speaker wire banana plug