The AT803b provides excellent yet unobtrusive sound pickup for lecturers & stage/TV performers. Designed for clip-on lavalier & musical instrument use, it features an integral 80 Hz high-pass filter that provides easy switching from a flat frequency response to a low-end roll-off. The microphone operates on battery or phantom power. Designed for clip-on lavalier & musical instrument use Small size is ideal for applications requiring minimum visibility Operates on battery or phantom power 6' (1.8 m) cable permanently attached to mic, TA3F connector at power module