The Osp Dl-320 Professional Uni-Directional Dynamic Microphone Is The Perfect Choice For Lead And Back-Up Vocals. Rugged Construction With Steel Mesh Grille To Ensure Consistent Performance In Even The Most Diverse Conditions. The Dl-320 Features A Moving Coil Dynamic Element And A Cardioid Polar Pattern. Element Type: Moving Coil Dynamic Polar Pattern: Uni-Directional (Cardioid) Frequency Response: 50Hz - 16Khz Sensitivity: -54Db +/-3Db Output Imp: 250 Ohms +/- 30% Retal, 99.00 Our Price $60.00