The BETA 87A leads the field for studio quality sound in live performance vocals. Its extended response brings detail, accuracy, and warmth to any vocal. Its consistent supercardioid pattern creates excellent isolation and the state of the art shock mounting virtually eliminates stage rumble. The BETA 87A finally brings studio condenser performance to the road. Supercardioid condenser. Phantom power only. Frequency response: 50-16,000 Hz. Net weight: 1 lb.