On-Q Banana Connectors For use with speaker wire up to 10-gauge (1 pair) at Crutchfield
Crutchfield Speaker Wire (10 feet) Single 14-gauge speaker wire with pre-attached banana plugs at Crutchfield
Speaker Snap 100 Count of Fast & Secure Banana Plugs, Gold Plated, 12-24 AWG, for Home Theaters, Speaker Wire, Wall Plates, and Receivers | World Wide Stereo
Legrand Brass Banana Plug Audio Connector at Lowes.com