AUDIOVOX TOWER Omnidirectional AM/FM Amplified Stereo Indoor Antenna Omnidirectional reception dramatically improves reception of AM/FM stations Air Coil technology isolates AM & FM elements for increased radio reception & minimized static & noise Built-in low-noise amplifier boosts weak signals Upto 15dB gain of hard-to-receive AM/FM signals Includes 75ohm transformer & AC/DC power adapter