A capacitor should be neutral. And this is guaranteed by the Audyn Copper Cap. This capacitor passes on what your electronics specify. You are buying a high-end capacitor and not an equalizer. Absolutely honest reproduction. Copper polypropylene capacitor for very high-quality audiophile applications. - OFC copper foil, - 7x0.5 Tritec connection wires guarantee larger surface area with simultaneous flexibility - induction-free - 630 V - C-tolerance: ± 2 % - temperature range : -25 C to + 70 C, - IEC60384-1, EN130000, Ris >30000/C(Mohm,uF) - Test V between connections: Ur:630VDC, Ut:650VDC 1min. at 25C - Test V between short circuit and housing: 1000VDC, 1min at 25C - Use in high quality passive crossovers