AKG D40 Professional Dynamic Instrument Mic Product Information: SOUND IN MOTION for drums, percussion, wind instruments and guitar amps on stage The D40 professional instrumental microphone with its solid all-metal body will stand up to the hardships of night-after-night onstage use with a smile. Its patented Varimotion diaphragm uses a unique laminated material to damp high resonance peaks, leading to a quantum leap in audio performance. The transducer is protected by a sturdy wire-mesh cap and can take extremely high sound pressure levels with ease. An integrated stand adapter in combination with the included H440 mounting bracket makes the D40 a highly versatile tool for use on drums, percussion, wind instruments and guitar amps. Dual-thickness Varimotion diapraghm provides crisp, powerful sound in all frequency ranges Highest sound pressure levels up to 156dB for extreme situations without any distortion Cardioid polar pattern for trouble-free use in narrow stage environments Rugged wire-mesh cap and sturdy die-cast metal body withstand tough day-by-day stage use Integrated stand adapter and external bracket for easy mounting on drums and mic stands Specifications: TECHNICAL SPECIFICATION General Audio frequency bandwidth 50 to 20000 Hz Sensitivity 2.5 mV/Pa Electrical impedance ? 600 Ohms Recommended load impedance ? 2000 Ohms Polar Pattern cardioid Audio Output Type Balanced XLR Gender Male Contacts 3-pin Design Body Metal Finish dark stage blue Dimensions / Weight Length 104 mm Height 79 mm Diameter 44 mm Net Weight 245 g Polar Patterns Cardioid