{"product_id":"subwoofer-hertz-mps-250-s4-10-500w-rms-4ω-shallow-profondeur-82-6mm","title":"Hertz MPS 250 S4 Subwoofer - 10\" - 500W RMS - 4Ω - Shallow - Depth 82.6mm","description":"\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e10-inch Mille PRO shallow subwoofer for ultra-tight spaces\u003c\/li\u003e\n\n\u003cli\u003eExceptionally reduced depth: only 82.6 mm (3.25\")\u003c\/li\u003e\n\n\u003cli\u003e500W RMS power and 1000W peak power\u003c\/li\u003e\n\n\u003cli\u003eOptimized for ultra-compact sealed enclosures starting from 14 liters\u003c\/li\u003e\n\n\u003cli\u003eCone excursion 20% greater than a traditional design\u003c\/li\u003e\n\n\u003cli\u003eIngenious suspension system with dedicated support structure\u003c\/li\u003e\n\n\u003cli\u003eMagnetic assembly shifted inward to reduce depth\u003c\/li\u003e\n\n\u003cli\u003eIdeal for installation under the rear seat of pickup trucks\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eMille PRO shallow subwoofers have been designed to achieve exceptional performance even when there is very little space available to install the subwoofer enclosure.\u003c\/p\u003e\n\u003cp\u003eThe MPS 250 S4 is optimized to work in ultra-compact sealed enclosures starting from just 14 liters (0.49 Cf). A typical example is a subwoofer enclosure under the rear seat of pickup trucks, where space - and height - are limited.\u003c\/p\u003e\n\u003cp\u003eThe Mille PRO subwoofer has an unprecedented depth-to-performance ratio thanks to the impressive cone excursion capability, which is 20% greater than a traditional design.\u003c\/p\u003e\n\u003cp\u003eThis exceptional goal was achieved thanks to the ingenious design of the suspension system, featuring a dedicated support structure for the spider and voice coil. This solution allowed the magnetic assembly to be shifted inward, reducing depth and at the same time maximizing the linear excursion of the cone.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e10-inch Mille PRO shallow subwoofer for exceptional performance in tight spaces\u003c\/li\u003e\n\n\u003cli\u003eExceptionally shallow depth: only 82.6 mm (3.25\") for easy installation\u003c\/li\u003e\n\n\u003cli\u003e500W RMS power and 1000W peak power for deep bass\u003c\/li\u003e\n\n\u003cli\u003eOptimized for ultra-compact sealed enclosures starting from 14 liters (0.49 Cf)\u003c\/li\u003e\n\n\u003cli\u003eEven more compact enclosure volume than the 2-ohm model\u003c\/li\u003e\n\n\u003cli\u003eIdeal for installation under the rear seat of pickup trucks\u003c\/li\u003e\n\n\u003cli\u003ePerfect for spaces where height is limited\u003c\/li\u003e\n\n\u003cli\u003eUnprecedented depth-to-performance ratio\u003c\/li\u003e\n\n\u003cli\u003eCone excursion capability 20% greater than a traditional design\u003c\/li\u003e\n\n\u003cli\u003eIngenious suspension system with dedicated support structure for spider and voice coil\u003c\/li\u003e\n\n\u003cli\u003eMagnetic assembly shifted inward to reduce depth\u003c\/li\u003e\n\n\u003cli\u003eMaximization of linear cone excursion for optimal performance\u003c\/li\u003e\n\n\u003cli\u003e38 mm (1.5\") voice coil for power and control\u003c\/li\u003e\n\n\u003cli\u003eHigh-flux density ferrite magnet for high motor force\u003c\/li\u003e\n\n\u003cli\u003eMagnet size: 134 x 55 x 36 mm for optimal performance\u003c\/li\u003e\n\n\u003cli\u003ePolypropylene cone for fast and controlled response\u003c\/li\u003e\n\n\u003cli\u003eLinear excursion (Xmax) of 16.8 mm for significant air displacement\u003c\/li\u003e\n\n\u003cli\u003eMechanical excursion (Xmech) of 20 mm (0.79\") for extreme performance\u003c\/li\u003e\n\n\u003cli\u003eFrequency response: 25-400 Hz for low-frequency reproduction\u003c\/li\u003e\n\n\u003cli\u003eResonance frequency (Fs) of 29 Hz for ultra-deep bass\u003c\/li\u003e\n\n\u003cli\u003eQts of 0.48 ideal for sealed enclosures\u003c\/li\u003e\n\n\u003cli\u003eSensitivity of 83.5 dB for optimal efficiency\u003c\/li\u003e\n\n\u003cli\u003e4-ohm impedance for compatibility with most amplifiers\u003c\/li\u003e\n\n\u003cli\u003eSingle Voice Coil for wiring simplicity\u003c\/li\u003e\n\n\u003cli\u003eRobust construction weighing 5.11 kg for maximum durability\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e250 mm (10\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eContinuous Power (RMS)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e500 W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003ePeak Power\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e1000 W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e4 Ω\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eDepth\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e82.6 mm (3.25\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVoice Coil Type\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eSingle Voice Coil\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eSubwoofer\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVoice Coil Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e38 mm (1.5\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e25 - 400 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMagnet Size (D x d x h)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e134 x 55 x 36 mm (6.28 x 2.17 x 1.42\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e5.11 kg (11.27 lbs)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMagnet\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eHigh-flux density ferrite\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCone\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eLinear Excursion (Xmax)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e16.8 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMechanical Excursion (Xmech)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e20 mm (0.79\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003ch3\u003eThiele \u0026amp; Small Parameters\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSd (Cone Area)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e216.6 cm²\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eXmax (Linear Excursion)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e16.8 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eRe (Voice Coil Resistance)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e3.3 Ω\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eFs (Resonance Frequency)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e29 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eLe (Voice Coil Inductance)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e3.65 mH\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVas (Equivalent Air Volume)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e21.2 liters\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMms (Moving Mass)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e234 g\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCms (Suspension Compliance)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.11 mm\/N\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eBL (Motor Force)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e17.3 T•m\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eQts (Total Quality Factor)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.48\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eQes (Electrical Quality Factor)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.52\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eQms (Mechanical Quality Factor)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e5.6\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSPL (Sensitivity)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e83.5 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003ch3\u003eMounting Dimensions\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eOuter Diameter (A)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e274.5 mm (10.81\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCutout Diameter (B)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e231.6 mm (9.12\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMounting Depth (C)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e103.2 mm (4.06\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMagnet Depth (D)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e82.6 mm (3.25\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003ch3\u003eWhy Choose It\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eMille PRO shallow subwoofer designed for exceptional performance in ultra-tight spaces\u003c\/li\u003e\n\n\u003cli\u003eExceptionally shallow depth of only 82.6 mm (3.25\") for easy installation\u003c\/li\u003e\n\n\u003cli\u003e500W RMS power and 1000W peak power for deep and punchy bass\u003c\/li\u003e\n\n\u003cli\u003eOptimized for ultra-compact sealed enclosures starting from just 14 liters\u003c\/li\u003e\n\n\u003cli\u003eEven more compact enclosure volume than the 2-ohm model for extremely limited spaces\u003c\/li\u003e\n\n\u003cli\u003eIdeal for installation under the rear seat of pickup trucks\u003c\/li\u003e\n\n\u003cli\u003ePerfect for spaces where height is limited\u003c\/li\u003e\n\n\u003cli\u003eUnprecedented depth-to-performance ratio\u003c\/li\u003e\n\n\u003cli\u003eCone excursion capability 20% greater than a traditional design\u003c\/li\u003e\n\n\u003cli\u003eIngenious suspension system with dedicated support structure for spider and voice coil\u003c\/li\u003e\n\n\u003cli\u003eMagnetic assembly shifted inward to reduce depth\u003c\/li\u003e\n\n\u003cli\u003eMaximization of linear cone excursion for optimal performance\u003c\/li\u003e\n\n\u003cli\u003e38 mm (1.5\") voice coil for power and control\u003c\/li\u003e\n\n\u003cli\u003eHigh-flux density ferrite magnet for high motor force\u003c\/li\u003e\n\n\u003cli\u003eMotor force (BL) of 17.3 T•m for exceptional control\u003c\/li\u003e\n\n\u003cli\u003ePolypropylene cone for fast and controlled response\u003c\/li\u003e\n\n\u003cli\u003eLinear excursion (Xmax) of 16.8 mm for significant air displacement\u003c\/li\u003e\n\n\u003cli\u003eMechanical excursion (Xmech) of 20 mm (0.79\") for extreme performance\u003c\/li\u003e\n\n\u003cli\u003eFrequency response of 25-400 Hz for low-frequency reproduction\u003c\/li\u003e\n\n\u003cli\u003eResonance frequency (Fs) of 29 Hz for ultra-deep bass\u003c\/li\u003e\n\n\u003cli\u003eQts of 0.48 ideal for sealed enclosures\u003c\/li\u003e\n\n\u003cli\u003eSensitivity of 83.5 dB for optimal efficiency\u003c\/li\u003e\n\n\u003cli\u003e4-ohm impedance for compatibility with most amplifiers\u003c\/li\u003e\n\n\u003cli\u003eSingle voice coil for wiring simplicity\u003c\/li\u003e\n\n\u003cli\u003eRobust 5.11 kg construction ensuring maximum durability\u003c\/li\u003e\n\n\u003cli\u003eUltimate solution for installations in ultra-tight spaces without compromising performance\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cp\u003eFor more technical information and the complete installation manual, please refer to the \u003ca href=\"https:\/\/www.hertzaudiovideo.com\" target=\"_blank\"\u003eofficial Hertz documentation\u003c\/a\u003e.\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":54168081203523,"sku":"MPS 250 S4","price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/6247\/4051\/files\/Hertz_Mille_PRO_MPS_250-S2_EISA.jpg?v=1770300246","url":"https:\/\/soundautoconcept.com\/en-eu\/products\/subwoofer-hertz-mps-250-s4-10-500w-rms-4%cf%89-shallow-profondeur-82-6mm","provider":"Sound Auto Concept","version":"1.0","type":"link"}