2 pieces 444 4 pieces 689 6 pieces 933 8 pieces 1178 10 pieces 1411 12 pieces 1620 14 pieces 1880 16 pieces 2102 18 pieces 2340 20 pieces 2556 30 pieces 3700 40 pieces 4822 Banana Plugs 24K Gold Plated Audio 12AWG～18AWG Speaker Cable Connector Set of 4 Black Solder-free banana plugs that fit seamlessly directly into audio binding posts. Especially applicable when space is limited. 【Material】: The entire core is made of copper, improving sound optimization. Using gold plating technology, it will not discolor or corrode over time. 【Wire】: Use with speaker wires with a diameter of 5mm or less, 12AWG~18AWG. 【Quantity】: Set of 12 (color-coded in two different colors for polarity identification) 【Features】: Designed for use with speakers, A/V receivers, amplifiers, surround sound systems, and banana wall plates that use banana-style binding posts. Without a nickel underlayer, all you get from your speakers is clean, audio quality. The color-coded sleeves help identify the polarity of the speaker wires and help your speakers produce the most accurate audio frequencies and sound waves from the source.