Monster Standard THX-Certified Speaker Cable - 30 ft. 16ga. Speaker Cable (Discontinued by Manufacturer) For Hookup of Home Theater Speaker to A/V Receiver or Amplifier Delivers the full dynamic range of movie soundtracks. Generous length for optimum speaker placement in normal size room. More power transfer than ordinary free in the box cables. Meets minimum THX certification standards for proper system performance, reliability and ease of installation.