Premium 2mm & 4mm Banana Plug Binding Posts with ultra-conductive brass cores for zero signal loss. Gold-plated contacts resist corrosion, ensuring crisp audio transmission in high-end speaker setups. CNC-machined aluminum housing provides durability and heat resistance for amplifier connections. Dual-threaded screw terminals accept bare wires or spade connectors, simplifying pro-audio installations. Precision-engineered knurled grip allows tool-free tightening in tight studio rack spaces. Ideal for audiophile-grade stereo systems, DIY speaker projects, and professional PA equipment. Bulk pricing available for commercial AV integrators and electronics manufacturers.