These ultra-high-performance Micro-75 audio cables have both 100% Bonded Foil and 96% Braid Shielding for the very ultimate in crystal-clear stereo or mono performance, even in the longer lengths required in modern custom home theater systems. 

The #421 and #422 meet SMPTE 259M specs and deliver 145 Mb/s super quality signals up to 1000 feet and with <0.04dB/meter attenuation @ 10MHz.  Characteristic impedance is 75 ohms, +1.6 ohms, and the #421-422 is also available with one-piece 75 ohm RCA, BNC, or F connectors with an impressive High Return Loss of  >34dB @ 1.2GHz.

The Model #421 and #422 cables are identical in specifications and construction, except the #422 is a dual cable for analog stereo applications.  So, the #422 is two #421 cables side-by-side in a single jacket and has two connectors on each end, one for each channel.

Signal conductor is 23AWG ultra-pure solid copper. 
This cable is engineered to deliver all the high-resolution sound quality of your favorite music from the original source with full rich clarity and the blackest background.