{"product_id":"400v-mkp-polypropylene-audio-capacitor-2-2uf-10uf-non-polarised-hifi-crossover","title":"400V MKP Metallized Polypropylene Audio Capacitor 2.2µF–10µF | Non-Polarised | HiFi Crossover Speaker | 2PCS","description":"\u003ch2\u003e400V MKP Metallized Polypropylene Audio Capacitor — 2.2µF–10µF | Non-Polarised | HiFi Speaker Crossover\u003c\/h2\u003e\n\n\u003cp\u003eA premium \u003cstrong\u003e400V rated MKP (Metallized Polypropylene) film audio capacitor\u003c\/strong\u003e in the 2.2µF–10µF range — the ideal choice for tweeter high-pass filters and midrange bandpass filters in HiFi speaker crossover networks. The 400V rating provides substantial voltage headroom above the 250V version, making this capacitor suitable for high-power speaker systems where peak voltage across the crossover components can be significant. The non-polarised construction is essential for crossover applications where the capacitor carries AC audio signals — a polarised electrolytic capacitor would distort and eventually fail in this application. Supplied as 2PCS per order for stereo crossover builds.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMKP Metallized Polypropylene Film Capacitor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacitance Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.2µF – 10µF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePolarity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-polarised (AC safe)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrough-hole, radial lead\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStructure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed capacitor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2PCS per order\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e400V vs. 250V MKP — When to Choose 400V\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eScenario\u003c\/th\u003e\n\u003cth\u003eRecommended Voltage Rating\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStandard HiFi speaker system (up to 100W\/8Ω)\u003c\/td\u003e\n\u003ctd\u003e250V adequate\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHigh-power speaker system (100W–500W\/8Ω)\u003c\/td\u003e\n\u003ctd\u003e400V recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eProfessional PA speaker system (\u0026gt;500W)\u003c\/td\u003e\n\u003ctd\u003e400V or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTube amplifier coupling (high-voltage signal path)\u003c\/td\u003e\n\u003ctd\u003e400V or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower supply bypass in high-voltage circuits\u003c\/td\u003e\n\u003ctd\u003e400V or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003ePeak voltage across a crossover capacitor = √(2 × P × Z), where P = amplifier power (W) and Z = speaker impedance (Ω). For a 200W\/8Ω system: √(2 × 200 × 8) = 56V peak. A 400V rating provides a 7× safety margin — more than adequate for even high-power systems.\u003c\/p\u003e\n\n\u003ch3\u003eCrossover Frequency Reference (2.2µF–10µF, 8Ω tweeter)\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003cth\u003eCrossover Frequency (8Ω)\u003c\/th\u003e\n\u003cth\u003eCrossover Frequency (4Ω)\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.2µF\u003c\/td\u003e\n\u003ctd\u003e~9.0 kHz\u003c\/td\u003e\n\u003ctd\u003e~18.1 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.3µF\u003c\/td\u003e\n\u003ctd\u003e~6.0 kHz\u003c\/td\u003e\n\u003ctd\u003e~12.1 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.9µF\u003c\/td\u003e\n\u003ctd\u003e~5.1 kHz\u003c\/td\u003e\n\u003ctd\u003e~10.2 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.7µF\u003c\/td\u003e\n\u003ctd\u003e~4.2 kHz\u003c\/td\u003e\n\u003ctd\u003e~8.5 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6.8µF\u003c\/td\u003e\n\u003ctd\u003e~2.9 kHz\u003c\/td\u003e\n\u003ctd\u003e~5.9 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e10µF\u003c\/td\u003e\n\u003ctd\u003e~2.0 kHz\u003c\/td\u003e\n\u003ctd\u003e~4.0 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eFirst-order (6dB\/octave) high-pass filter. Formula: f = 1 ÷ (2π × C × Z)\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e400V rated\u003c\/strong\u003e — substantial voltage headroom for high-power speaker systems and tube amplifier applications\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMetallized polypropylene film\u003c\/strong\u003e — self-healing dielectric, extremely low ESR, near-zero dielectric absorption\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eNon-polarised\u003c\/strong\u003e — safe for AC audio signals in crossover networks, no polarity concerns\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eLow distortion\u003c\/strong\u003e — polypropylene film dielectric contributes negligible THD to the audio signal\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e2.2µF–10µF range\u003c\/strong\u003e — covers tweeter high-pass and midrange bandpass crossover frequencies for 4Ω and 8Ω speakers\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eThrough-hole radial lead\u003c\/strong\u003e — easy PCB and point-to-point wiring installation\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e2PCS per order\u003c\/strong\u003e — matched pair for stereo crossover builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHiFi speaker tweeter high-pass filter (2-way crossover)\u003c\/li\u003e\n  \u003cli\u003eMidrange bandpass filter (3-way crossover)\u003c\/li\u003e\n  \u003cli\u003eHigh-power PA speaker crossover network\u003c\/li\u003e\n  \u003cli\u003eTube amplifier output coupling capacitor\u003c\/li\u003e\n  \u003cli\u003eAudio signal path coupling and decoupling\u003c\/li\u003e\n  \u003cli\u003ePower supply audio-grade bypass (high-voltage rails)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this capacitor in a subwoofer low-pass filter?\u003c\/strong\u003e\u003cbr\u003eA: Subwoofer low-pass filters typically require much larger capacitance values (47µF–100µF+). This 2.2µF–10µF range is optimised for tweeter and midrange high-pass applications. For subwoofer low-pass, use the 250V series in larger values.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 400V rating necessary for a home HiFi system?\u003c\/strong\u003e\u003cbr\u003eA: For typical home HiFi systems (up to 100W), 250V is adequate. The 400V version is recommended for high-power systems, professional applications, and tube amplifier coupling where higher voltage headroom is beneficial.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2× 400V MKP Metallized Polypropylene Audio Capacitor (capacitance as selected)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"400V4.7UF \/ CHINA","offer_id":46966763356395,"sku":"200007763:201336100;688:203122846#400V4.7UF","price":7.4,"currency_code":"USD","in_stock":true},{"title":"400V6.8UF \/ CHINA","offer_id":46966763389163,"sku":"200007763:201336100;688:203122850#400V6.8UF","price":8.8,"currency_code":"USD","in_stock":true},{"title":"400V3.3UF \/ CHINA","offer_id":46966763421931,"sku":"200007763:201336100;688:202862831#400V3.3UF","price":6.44,"currency_code":"USD","in_stock":true},{"title":"400V3.9UF \/ CHINA","offer_id":46966763454699,"sku":"200007763:201336100;688:202862835#400V3.9UF","price":7.4,"currency_code":"USD","in_stock":true},{"title":"400V10UF \/ CHINA","offer_id":46966763487467,"sku":"200007763:201336100;688:203122854#400V10UF","price":11.06,"currency_code":"USD","in_stock":true},{"title":"400V2.2UF \/ CHINA","offer_id":46966763520235,"sku":"200007763:201336100;688:202862827#400V2.2UF","price":6.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/400v-mkp-film-audio-capacitor-frequency-divider.webp?v=1760593841","url":"https:\/\/keszoox.com\/products\/400v-mkp-polypropylene-audio-capacitor-2-2uf-10uf-non-polarised-hifi-crossover","provider":"Keszoox","version":"1.0","type":"link"}