12ft speaker extension cable/wire/cord for Sony Home Theater systems which have 4.2mm pin-pitch round terminals Plug and play! No cutting or splicing wire! If speaker cables or subwoofer cable come with your system are too short, these are the cables you need. Work with Sony home theater systems which have 4.2mm pin-pitch round speaker terminals, such as BDV/BDV-E2100 E3100 E4100 E61000 HT-SS380 BDV-E580 T58 T79 N790W N890W etc. Cable length: 12ft; 18AWG clear speaker wire. you get what you see in 2nd picture. Please search B01H7P36HY for 20ft extension cable. !!!Warning: Does not work with old Sony home theater system with 4.2mm pin-pitch horizontal terminals or 6.2mm pin-pitch terminals. Please check last picture for compatible model list. If you need extension cable for Samsung system, please search B01H7STNCI or B01H7T817U with Amazon search engine.