DPA 4090 , Instrument Microphone, Omnidirectional, P48, Prepolarized 5.4 mm membrane, Ideal for recording instruments live or in the studio, Frequency range: 20 Hz - 20 kHz, Maximum sound pressure level: 134 dB SPL, Sensitivity: 20 mV/Pa; -34 dB re. 1 V/Pa, Equivalent noise level A-weighted: Type. 23 dB(A) re. 20 µPa (max. 26 dB(A)), Length: 120 mm, Characteristic: Ball