Type: Super cardioid electret condenser Sensitivity Long: 55dB (at 1kHz 1V/? bar) Sensitivity Short: 72dB (at 1kHz 1V/gm bar) Frequency Response: 150-18KHz Output Impedance Long: 5 (at 1kHz) Output Impedance Short: 660 (at 1kHz) Power Source: 1.5V DC (AA Battery) Max. SPL: 100dB Signal to Noise: Better than 40dB Plug Cord Assembly: Coiled cord with 3.5 plug Accessories: Shoe Mount