SET OF 4 PHOENIX GOLD PRO-DUAL XS SERIES BANANA PLUGS A HARD GOLD PLATED XS SERIES DUAL BANANA PLUGS WHICH ACCEPTS 9 TO 14 GUAGE SPEAKER CABLE OR YOUR SPADE CONNECTORS ..THE PRO DUAL IS COLOR CODED FOR CONTINUITY WITH RED AND BLACK FOIL LABELS..THE DUAL PRO BANANA PLUGS HAVE GREATER CONTACT AND PRESSURE TO THE SPEAKER CABLE FOR INCREASED SIGNAL AND SONIC EXELLENCE!! THEY ARE ALSO STACKABLE !!!!ALSO ALLOWS YOU TO CONVERT YOUR SPADES TO BANANA PLUGS !!!