WIDE APPLICATION: The standard-sized banana connector is compatible with most A/V receivers, amplifiers, surround sound systems, and banana wall plates. It also supports various speaker wire sizes from 12 to 18 AWG EASY INSTALL: The solder-free design of these speaker plugs allows for effortless connection of speaker wire to amplifiers, receivers, or speakers. Terminates with banana plugs for easy plug-and-play. It is ideal for easy installation when swapping audio gear HiFi STEREO SOUND: The plug is made of refined copper and gold-plated, which has strong conductivity and corrosion resistance and brings you lossless sound quality. The aluminum shell makes it double anti-interference, anti-oxidation, and wear-resistant, prolonging service life SECURE CONNECTION: The dual screw design ensures the wire stays securely in place. Two distinct colors make it easy to identify polarity PACKAGE CONTENT - 6 pairs/12 pieces 4mm banana plug (Red + Black). We offer an 18-month after-sales service