This is essentially new "Old Stock" 

• The ultimate vocal performance instrument
• Pristine sound quality demanded by the most discriminating microphone user
• Same large-diaphragm element as the renowned AT4050 studio microphone; true condenser design
• Superior anti-shock engineering ensures low handling noise and quiet performance
• High-quality double-sided PCB uses surface-mount components. Extensive grounding plane and attention to best-practice grounding methods minimize electrical noise
• Multi-stage grille design offers excellent protection against plosives and sibilance without compromising high-frequency clarity
• Cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of desired sound source
• Custom transformer improves performance specifications by isolating against noise and RF interference, and providing excellent saturation characteristics that contribute to smooth linear sound quality
• Robust design for enduring dependability on the road
• Quiet-Flex™ stand clamp provides silent, flexible microphone positioning
• Integral 80 Hz HPF switch and 10 dB pad

MicrophonesElementExternally polarized (DC Bias) condenserPolar PatternCardioidFrequency Response20-20,000 HzLow Frequency Roll Off80 Hz, 12 dB/octaveOpen Circuit Sensitivity-40 dB (10.0 mV) re 1V at 1 Pa