ACT Entertainment Concert Series Speaker Cable is our most popular speaker cable. The "H" series uses bare copper stranded, twisted pair conductors – each individually jacketed with an overall round jacket added for durability. This commercial grade speaker cable is flexible and will stand the test of time. Available in 16, 14, and 12 gauge with 1/4 inch, and speakon connectors offered as standard. Other connector options are available. Contact your Representative for details.