Mohu Jolt TV Antenna In-Line Amplifier with 6 ft. USB Cable and USB Power Adapter, MH-110569

The Mohu Jolt Amplifier makes picture quality clear and vivid, and can even pull in channels outside your antenna's range. Colors pop and dance. Images are fluid and crisp. Flip between channels in the blink of an eye. Jolt improves your antenna's performance, so you can get back to watching your favorite shows. And with USB power connection, Jolt only uses power when your TV is turned on - exactly how an amplifier should work.