The Audio2000"S ACM1901 microphone is a premium quality condenser microphone, With the elegant shape and clean sound, the ACM1901 is suitable for recording various instrument in concert halls and theaters, The ACM1901 has a 10 dB attenuation switch and a low frequency roll-off switch, Moreover, a newly designed internal shock-mount effectively minimizes mechanically transmitted stand and handling noise, The standard ACM1901 package includes an ACM1901 condenser microphone, a microphone holder in a deluxe wood box, Musician / drummers (drum set overhead microphone); church; school; conference room, Type: Condenser, Polar Pattern Cardioid, Sensitivity: 10mV/Pa - 1KHz, Input Impedance:<200 Ohms (Balanced), Frequency Response: 30 - 20,000 Hz, Max, Input Level: 138dB SPL, SKU: AUDIO007