Banana Binding Post Speaker Audio Amplifier for Jack Adapter Connector Black Red 4 Pcs

4MM BANANA PLUGS---The speaker binding post is suitable for 4mm banana plugs, speaker terminals PRODUCT NAME---Speaker Binding Post; Material: plastic, copper; Color: red, black; Total length: 5cm / 1.97inch; Width: 15.7mm / 0.62 inch; Weight: 49g MAIN USAGE---The speaker binding post is mainly used for amplifier, audio, sound console, microphone and other connectors MAXIMUM SIGNAL TRANSMISSION---With gilded material, the speaker binding post is of maximum signal transmission durability