Greatly enhances your microphone’s input signal resulting in clearer, crisp audio recordingDesigned for DSLR’s, Video Cameras and Phones.LCD with independent L/R level meters provide precise channel visualizationIncludes a headphone input jack for audio monitoring Powered by 48V Phantom or one 9V battery (Not Included) "Transducer: condenserDirectional pattern: UnidirectionalFrequency Response: 20Hz to 20KHz (+/-0.5 dB) Noise: 82 dB @ 1 kHz, -30 dBu input Distortion: less than 0.03% @ 1 kHz, -30 dBu inputOutput Impedance: 1K Ohm or lessSignal to Noise ratio: 7.5dB or moreDimensions: 9.5 L x 3.5 W x 6.5 H cmOutput Connection: 3.5mm Stereo LineNet Weight: 5.5 oz"