Blue Jeans Cable LC-1 Double-Shielded Low Capacitance Subwoofer Cable, 40 foot, Black Assembled in our shop in Seattle, WA by American workers Heavy double-braid bare copper shielding provides the best protection available against induced low-frequency noise and hum Bulk cable stock manufactured to our specifications in Richmond, Indiana by Belden, the world leader in communications cabling Rated CM (superior to CL2, CL3) for in-wall installation; available both in white and black jacket Taversoe crimp RCA plugs offer tight grip through spring contact tension, ensuring solid connection without the danger of jack damage.