{"product_id":"esx-qm400-1-amplificateur-mono-class-d-ultra-compact","title":"ESX QM400.1 – Ultra-Compact Class D Mono Amplifier","description":"\u003ch2\u003e \u003cstrong\u003eESX QM400.1 – Ultra-Compact Class D Mono Amplifier\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\u003ch4\u003e \u003cstrong\u003eMeta Description\u003c\/strong\u003e\n\u003c\/h4\u003e\n\n\u003cp\u003e The ESX QM400.1 is an ultra-compact mono amplifier delivering \u003cstrong\u003e450W RMS into 2Ω\u003c\/strong\u003e . Thanks to its advanced Class D technology, \u003cstrong\u003ehigh efficiency (86%)\u003c\/strong\u003e and miniature size ( \u003cstrong\u003e190 x 35 x 102 mm\u003c\/strong\u003e ), it is perfect for discreet and efficient installation in cars.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e \u003cstrong\u003eFull description\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eESX QM400.1\u003c\/strong\u003e is a \u003cstrong\u003eMono Class D\u003c\/strong\u003e amplifier designed to deliver \u003cstrong\u003eimpressive power\u003c\/strong\u003e while occupying \u003cstrong\u003eminimal space\u003c\/strong\u003e . It is based on the \u003cstrong\u003eQUANTUM QL\u003c\/strong\u003e range, but in an \u003cstrong\u003eeven more compact and easy-to-install\u003c\/strong\u003e format.\u003c\/p\u003e\n\n\u003cp\u003e With a power of \u003cstrong\u003e450W RMS under 2Ω\u003c\/strong\u003e , this amplifier is capable of powering a subwoofer with great efficiency. Its \u003cstrong\u003ehigh efficiency (up to 86%)\u003c\/strong\u003e guarantees optimal sound reproduction while reducing energy consumption and heat output.\u003c\/p\u003e\n\n\u003cp\u003e The ESX QM400.1 is equipped with advanced filters for optimal sound tuning, including a \u003cstrong\u003eSubsonic (10-40 Hz)\u003c\/strong\u003e and an \u003cstrong\u003eadjustable Low Pass Filter (50-5000 Hz)\u003c\/strong\u003e . It also features an \u003cstrong\u003eadjustable Bass Boost (0-18 dB)\u003c\/strong\u003e and \u003cstrong\u003ePhase Adjustment (0-180°)\u003c\/strong\u003e for precise sound control.\u003c\/p\u003e\n\n \u003cp\u003eThanks to its \u003cstrong\u003ehigh-level inputs with EPS® (Error Protection System)\u003c\/strong\u003e and \u003cstrong\u003eautomatic start-up\u003c\/strong\u003e , it can be easily integrated into an \u003cstrong\u003eoriginal audio system\u003c\/strong\u003e without the need for additional adapters. In addition, it is \u003cstrong\u003eStart\/Stop compatible\u003c\/strong\u003e and comes with a \u003cstrong\u003eremote bass control\u003c\/strong\u003e , allowing quick adjustment from the driver's seat.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e \u003cstrong\u003eMain features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp\u003e ✅ Ultra-compact \u003cstrong\u003eMono Class D amplifier\u003c\/strong\u003e with \u003cstrong\u003ehigh efficiency (86%)\u003c\/strong\u003e\u003cbr\u003e ✅ \u003cstrong\u003eRMS Power: 250W @ 4Ω | 450W @ 2Ω\u003c\/strong\u003e\u003cbr\u003e ✅ \u003cstrong\u003eAdvanced filters\u003c\/strong\u003e for optimized sound:\u003cbr\u003e ▪️ \u003cstrong\u003eSubsonic: 10-40 Hz\u003c\/strong\u003e\u003cbr\u003e ▪️ \u003cstrong\u003eLow-pass filter (LPF): 50-5000 Hz\u003c\/strong\u003e\u003cbr\u003e ▪️ \u003cstrong\u003eBass boost: 0-18 dB\u003c\/strong\u003e\u003cbr\u003e ▪️ \u003cstrong\u003ePhase adjustment: 0-180°\u003c\/strong\u003e \u003cbr\u003e✅ \u003cstrong\u003eRCA \u0026amp; High Level Inputs\u003c\/strong\u003e with EPS® (Error Protection System)\u003cbr\u003e ✅ \u003cstrong\u003eAutomatic start \u0026amp; Start\/Stop compatibility\u003c\/strong\u003e\u003cbr\u003e ✅ \u003cstrong\u003eMOSFET PWM power supply \u0026amp; 3-level protection\u003c\/strong\u003e\u003cbr\u003e ✅ \u003cstrong\u003eUltra-compact format: 190 x 35 x 102 mm\u003c\/strong\u003e\u003cbr\u003e ✅ \u003cstrong\u003eBass remote control included\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e \u003cstrong\u003eTechnical specifications\u003c\/strong\u003e \u003c\/h3\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cstyle\u003e .table-container { width: 100%; overflow-x: auto; margin-top: 10px; } table { width: 100%; border-collapse: collapse; background-color: #E0F7FA; font-family: Arial, sans-serif; } th, td { border: 2px solid #0288D1; padding: 12px; text-align: left; font-size: 14px; } th { background-color: #0288D1; color: white; text-transform: uppercase; } tr:nth-child(even) { background-color: #B3E5FC; } \u003c\/style\u003e\n\u003cdiv class=\"table-container\"\u003e\n\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e Characteristic\u003c\/th\u003e\n\n\u003cth\u003e Details\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eKind\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e Mono Class D Amplifier\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eRMS power\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 250W @ 4Ω | 450W @ 2Ω\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eSubsonic\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 10-40 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eLow-pass filter (LPF)\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 50-5000 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eBass Boost\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 0-18 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003ePhase Shift\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 0-180°\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eEntrances\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e RCA \u0026amp; High Level with EPS®\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eAutomatic start\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e Yes\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eStart\/Stop Compatibility\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e Yes\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eEfficiency\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e Up to 86%\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eDimensions\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 190 x 35 x 102 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e \u003cstrong\u003ePackage Contents\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp\u003e 📦 \u003cstrong\u003e1 x ESX QM400.1 Amplifier\u003c\/strong\u003e \u003cbr\u003e📦 \u003cstrong\u003eCompact bass adjustment remote control\u003c\/strong\u003e\u003cbr\u003e 📦 \u003cstrong\u003eInstallation Manual\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003e \u003cstrong\u003eAdditional accessories (sold separately)\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp\u003e 🔌 \u003cstrong\u003eHigh-performance power cables\u003c\/strong\u003e\u003cbr\u003e 🔌 \u003cstrong\u003eShielded RCA cables\u003c\/strong\u003e\u003cbr\u003e 🔊 \u003cstrong\u003eCompatible subwoofers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e 📄 \u003ca href=\"https:\/\/www.esxaudio.de\/assets\/qm400.1.pdf\" title=\"ESX QM400.1 – Ultra-Compact Class D Mono Amplifier\" rel=\"noopener\" target=\"_blank\"\u003e[ESX QM400.1 manual (PDF)]\u003c\/a\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e The \u003cstrong\u003eESX QM400.1\u003c\/strong\u003e is the \u003cstrong\u003eideal amplifier for compact audio installations\u003c\/strong\u003e , offering \u003cstrong\u003epower and efficiency\u003c\/strong\u003e without compromise. Its \u003cstrong\u003eminiature design\u003c\/strong\u003e , \u003cstrong\u003eadvanced Class D technology\u003c\/strong\u003e and \u003cstrong\u003eease of integration\u003c\/strong\u003e make it a perfect solution for \u003cstrong\u003eOEM and aftermarket\u003c\/strong\u003e systems. \u003c\/p\u003e\n\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0770\/1928\/3723\/files\/MS-2-_FINAL_3eb5048c-0af5-481e-bd02-fe9bbd0f92a0_160x160.png?v=1734546281\" alt=\"ESX QM400.1 – Ultra-Compact Class D Mono Amplifier\"\u003e\u003c\/div\u003e","brand":"ESX","offers":[{"title":"Default Title","offer_id":46591354667275,"sku":"QM400.1","price":229.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1928\/3723\/files\/mumltisun.com-ESX-QM400.1-_-Amplificateur-Mono-Class-D-Ultra-Compact-Multison-178073331.jpg?v=1739179864","url":"https:\/\/mumltisun.com\/en\/products\/esx-qm400-1-amplificateur-mono-class-d-ultra-compact","provider":"mumltisun.com","version":"1.0","type":"link"}