The ProComm JBCSP-2 is a 4-inch, 8-ohm external speaker rated for 10 watts, built for reliable audio output when paired with a CB radio. It features built-in noise cancellation to reduce background interference, delivering clearer sound in mobile environments. The 10-foot cord with a 3.5mm plug offers flexible placement inside any vehicle. A swivel mounting bracket and hardware are included for easy and adjustable installation.