12 AWG(OFC) Amp/Speaker Banana Jack adaptors, . New Price reduced again, was $45. To see other Stereo Equipment I have for sale, type "RSTEREO" in the search box above. These adaptors provide an ingenious solution to the challenge of marrying banana plugs to old-style speaker/amplifier terminals. Price is for 4 adaptors(1 set), Left and Right channel(+ and -). Free Shipping for 4 sets or more. I also have a 14 gauge set and 9 Gauge set available. These adapters connect to your amplifier speaker connectors or speaker terminals, you then you plug your speaker cables(banana) into these adapters. Connectors: Silver plated Banana jacks. Wire: 12 gauge Oxygen Free Copper.(OFC) These are soldered with silver solder. Overall length: 7 inches. Cable sheath: Nylon TechFlex