Audyn Cap Q4 3.3uF 400V MKP Metalized Polypropylene Foil Crossover Capacitor Features tightly wound MKP metalized polypropylene foil Designed for super-low microphonics Low loss of 0.0003% @ 1 kHz/20&#176;C 400 VDC voltage rating Precision made in Germany with 5% tolerance