DH Labs BL-1 Series II RCA Audio Cables 2.0 meter pair by Silversonic BL-1 Series II is a high performance audio interconnect cable that combines the highest sound quality and reliability available at its price point. The conductors are insulated with a special FEP dielectric. Manufactured using high purity silver, FEP and oxygen-free copper. 100% shielded, and can operate in close proximity to digital equipment without noise pick up. Made in the U.S.A.