The Acoustic-Research PR397 50' feet Micro-flat 1350-Watt Speaker Wire solves the common problem of unsightly speaker wire while delivering uncompromising sound performance. Its two solid 99.997% oxygen free pure copper conductors ensure minimal signal loss, and with a thickness of only 0.5mm, this wire will virtually disappear under paint, wall paper, behind baseboards, or under carpet. Its high-strength adhesive back provides secure attachment to any surface, making it ideal for surround sound or wall mounted speakers indoors and outdoors. Two terminal blocks are included for easy connection to standard speaker wire. This wire is rated to support 1350W over a distance of 50', and has an overall width of 1.25".