Powerful and articulate, the e300s by CAD Audio blows away the competition with strength and precision. The externally-biased large-diaphragm capsule and high-power transformerless electronics deliver the vocal impact you deserve. Three polar patterns let you balance tone and space. Additional features include hi-pass filter, attenuator and power switch. Rechargeable NiMH batteries provide current reserve. Elastic shock mount and carrying case are included. P48 (48V) phantom power is required.