Weight: 0.62 KGS Size: 142*125*230 Material: ABS Plastic + Metal Sampling rate: 48KHZ/ 16Bit Support Devices: Mobile/PC/tablet/ipad , etc. Channel: Dual Channel Unit:mic Ф16.1 x 7.0 (Ф16.0 x 7.0) Sensitivity:mic ·-43±2dB RL=2.2KΩ Vs=1.5V ( 1KHz 0dB=1V/Pa) Impedance: 2.2KΩ Frequency response: 50-16000 Hz Polar pattern: Cardioid (0。~180。,@250Hz-5000HZ>10db) Allowable current: Max.0.5mA Voltage range: 1.0V-10V Maximum withstand sound pressure level: 125dB S.P.L