Check the listing for details. C2G 50 ft. Plenum-Rated 3.5mm Stereo Audio Cable with Low Profile Connector. Color: Black, Condition: New. Listed at 15.00 USD. C2G 50 ft. Plenum-Rated 3.5mm Stereo Audio Cable with Low Profile Connector. These cables are brand new in the branded bag.PLENUM RATED -This cable has a Plenum CMP-Rated jacket which is often required for audio/video installations in educational and commercial settings. Use this cable if the run is going in plenum air spaces.LOW-PROFILE CONNECTORS - The depth of the connectors (1.5 Inches) allows the cable to be put into tight spaces such as wall plate boxesSMALL DIAMETER - The small-diameter (0.25 Inches) cable design further reduces the space and clearance required to run the necessary cabling through walls and plenum air spaces27 AWG CONDUCTOR WITH FOIL SHIELDING - The solid conductor creates flawless transmission of your audio signals as the foil shielding protects and prevents the cable from unwanted noise interference that can disrupt audio signals and degrade audio quality