Features: It can satisfy the balanced, full and transparent-elements at the same-time, with high frequency and lightness, abundant-air, medium frequency and freelow frequency. It is the best-choice for music users. Banana plugs fit directly into your audio component binding posts seamlessly, saving you the hassle of screwing in or unscrewing speaker wire, especially when space is tight. 24k Gold plated banana plug uses direct gold-plating technology so it does not tarnish or corrode over-time. The entire core from the bottom up to the tip is made of copper-for better sound optimisation. It helps identifying speaker wire's-polarity in order for your speakers-to produce the truest audio frequencies and sound-wave from the source. It is suitable for mixer-stereo, power amplifier and so on. It canbe-used for audio engineering in family, KTVs, conference room, concert, etc. Specifications: Material: Pure-Copper Size:Approx.4.43x0.7cm/1.74x2.75inch Connector: 4.0MM Temperature range: 40-260℃ Rated-load: 50-90VA Package Includes: 4x Banana Connector note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.