Nakamichi Corporation Ltd. founded in 1948 by Mr. Etsuro Nakamichi, is a Japanese consumer electronics brand that originated in Japan and gained popularity from 1970s onwards from producing high quality audio cassette decks to design-oriented home cinema audio systems, speakers, hi-fi systems, sound bars and automotive stereo products. You can now quickly and effortlessly connect your speaker to an A/V receiver or amplifier equipped with binding posts using the publicly tested and proven Nakamichi Excel Series 24k gold plated copper banana plugs complement with dual-conductor Oxygen Free Copper (OFC) cable. The Nakamichi Excel Series banana plug terminations ensure a secure and reliable connection, offering a convenient alternative to the time-consuming task of cutting and terminating speaker wire. The simplicity design of Nakamichi Excel Series banana plug with OFC cable, allows you to experience clean and pristine audio quality sound from your favourite audio equipment. It features colour coded non-conductive banana plug sleeves for easy identification of speaker polarity, high-strand-count copper wires enclosed in a non-slip PVC Y-Boot and a sturdy braided jacket to guarantee durability. All you get is the appearance of a professional installation without the extra cost and hassle. Quick facts. Nakamichi Excel Series 24k gold plated copper banana plug uses direct gold-plating technology so it does not tarnish or corrode overtime and the entire core from bottom to the tip is made of copper for better sound optimisation. In addition, the electroplated aluminium sleeves are non-conducting. As for the copper cables, they are certified by SGS (Société Générale de Surveillance) to be 99.9% pure oxygen free copper. Each package comprises of 4 Pcs (2-Pairs) of banana plugs with one 3-feet (0.9 metre) dual-conductor 12AWG OFC cable.