Specifications

Dimensions: Diameter 20 mm, Length: About 260 mm 
Pickup Pattern: Super-cardioid
Frequency Response: 40 Hz to 20 kHz 
Max. sound pressure level: 135 dB SPL at P48; 
                                            130 dB SPL with battery powering 
Weight: About 135 g (without battery) 
Sensitivity in free field, no load (1kHz): 39 dB; 
                                                               37dB with battery powering 
Equivalent noise level: 16 dB (A) at P48; 
                                     17 dB (A) with battery powering 
Operating time: Approx. 140 hrs 
Power supply: 48 V +/- 4V (P48, IEC 61938) 
or battery/rechargeable battery. 1,5V/1,2V AA size 
Current Consumption: 3mA