AM/FM Soft Wire Antenna - 30" Superior sound performance will be delivered to you via the ANT1B AM/FM Stereo Antenna. This unit's small size and unique soft wire design will make it the perfect option aboard any boat. Achieve excellent sound quality with the ANT1B antenna! Features:. 30" in length. Soft wire design. Works with any stereo. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.