{"product_id":"esx-qm-four-amplificateur-4-canaux-ultra-compact","title":"ESX QM-FOUR – Ultra-Compact 4-Channel Amplifier","description":"\u003ch2\u003e ESX QM-FOUR – Ultra-Compact 4-Channel Amplifier\u003c\/h2\u003e\n\n\u003ch3\u003e Full description\u003c\/h3\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eESX QM-FOUR\u003c\/strong\u003e is an \u003cstrong\u003eultra-compact 4-channel Class D amplifier\u003c\/strong\u003e , designed to \u003cstrong\u003eboost your audio system\u003c\/strong\u003e without taking up space. With its \u003cstrong\u003ereduced dimensions (216 x 39 x 84 mm)\u003c\/strong\u003e and its \u003cstrong\u003ecast aluminum chassis\u003c\/strong\u003e , it guarantees optimal cooling even under full load.\u003c\/p\u003e\n\n\u003cp\u003e Its \u003cstrong\u003ehigh-efficiency design (up to 86%)\u003c\/strong\u003e allows for reduced consumption while delivering impressive power:\u003cbr\u003e 🔹 \u003cstrong\u003e4 x 52W RMS at 4Ω\u003c\/strong\u003e\u003cbr\u003e 🔹 \u003cstrong\u003e4 x 90W RMS at 2Ω\u003c\/strong\u003e\u003cbr\u003e 🔹 \u003cstrong\u003e2 x 180W RMS in bridged mode at 4Ω\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e The ESX QM-FOUR incorporates \u003cstrong\u003eadjustable HPF\/LPF filters (40 - 4000 Hz)\u003c\/strong\u003e and a \u003cstrong\u003eselectable Bass Boost (0 \/ 6 \/ 12 dB)\u003c\/strong\u003e on each pair of channels, allowing for advanced audio customization.\u003c\/p\u003e\n\n \u003cp\u003eThanks to its \u003cstrong\u003ehigh-level inputs with EPS® (Error Protection System)\u003c\/strong\u003e and \u003cstrong\u003eautomatic ignition\u003c\/strong\u003e , it is perfect for \u003cstrong\u003einstallation with an original car radio\u003c\/strong\u003e . In addition, it is \u003cstrong\u003eStart\/Stop Ready\u003c\/strong\u003e , guaranteeing stable operation even when the engine restarts after an automatic shutdown.\u003c\/p\u003e\n\n\u003cp\u003e The \u003cstrong\u003eamplifier is equipped with a remote control for bass adjustment\u003c\/strong\u003e , a \u003cstrong\u003eclipping LED\u003c\/strong\u003e for monitoring distortion and \u003cstrong\u003eRCA connections via Molex\u003c\/strong\u003e , providing maximum compatibility with different audio systems.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e ⚡ Main Features\u003c\/h3\u003e\n\n\u003cp\u003e ✔️ \u003cstrong\u003eCompact 4-channel Class D amplifier\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003eExcellent energy efficiency (86%)\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003eRMS power\u003c\/strong\u003e :\u003cbr\u003e 🔹 4 x 52W @ 4Ω\u003cbr\u003e 🔹 4 x 90W @ 2Ω\u003cbr\u003e 🔹 2 x 180W @ 4Ω (bridged) \u003cbr\u003e✔️ \u003cstrong\u003eAdjustable HPF\/LPF filters (40 - 4000 Hz) on CH1\/CH2 and CH3\/CH4\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003eSelectable Bass Boost: 0 \/ 6 \/ 12 dB\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003e2CH\/4CH input switch for maximum flexibility\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003eHigh level with EPS® and automatic ignition\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003eStart\/Stop Ready – Works continuously when restarting the engine\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003eRemote control for bass adjustment\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003eClipping LED to avoid distortion\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003eOptimized cooling thanks to a cast aluminum chassis\u003c\/strong\u003e\u003cbr\u003e ✔️ \u003cstrong\u003eUltra-compact dimensions: 216 x 39 x 84 mm\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e 📊 Technical specifications \u003c\/h3\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 4-channel 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 4 x 52W @ 4Ω | 4 x 90W @ 2Ω | 2 x 180W @ 4Ω (bridged)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eHPF\/LPF\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 40 - 4000 Hz (CH1\/2 \u0026amp; CH3\/4)\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 \/ 6 \/ 12 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n \u003ctd\u003e\u003cstrong\u003eEnergy efficiency\u003c\/strong\u003e\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\u003eEntrances\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e High level with EPS®, RCA via Molex\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eProtection system\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e Thermal, overvoltage, short circuit\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eAutomatic ignition function\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 Ready\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\u003eLow remote control\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e Included\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e \u003cstrong\u003eClipping LED\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\u003eDimensions\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd\u003e 216 x 39 x 84 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 📦 Package Contents\u003c\/h3\u003e\n\n\u003cp\u003e ✔️ 1 x \u003cstrong\u003eESX QM-FOUR Amplifier\u003c\/strong\u003e\u003cbr\u003e ✔️ 1 x \u003cstrong\u003eInstallation Manual\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e 🔌 Additional accessories (sold separately)\u003c\/h3\u003e\n\n\u003cp\u003e 📌 \u003cstrong\u003eShielded power and RCA cables\u003c\/strong\u003e\u003cbr\u003e 📌 \u003cstrong\u003eCompatible subwoofers or speakers\u003c\/strong\u003e\u003cbr\u003e 📌 \u003cstrong\u003eMounting kit for optimal integration\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e 📄 \u003ca title=\"ESX QM-FOUR – Ultra-Compact 4-Channel Amplifier\" href=\"https:\/\/www.esxaudio.de\/assets\/qm-four.pdf\"\u003e[ESX QM-FOUR Instructions (PDF)](link to be defined)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e 🚗 Why choose ESX QM-FOUR?\u003c\/h3\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eESX QM-FOUR\u003c\/strong\u003e is a compact and powerful solution for improving the sound quality of your vehicle. Its \u003cstrong\u003eClass D technology\u003c\/strong\u003e guarantees \u003cstrong\u003eclear and powerful sound\u003c\/strong\u003e , while its \u003cstrong\u003eultra-compact chassis\u003c\/strong\u003e allows for \u003cstrong\u003eeasy installation even in tight spaces\u003c\/strong\u003e . Whether you want to boost your factory speakers or power a small subwoofer, it's \u003cstrong\u003eideal for a hassle-free audio upgrade!\u003c\/strong\u003e \u003c\/p\u003e\n\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; 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 QM-FOUR – Ultra-Compact 4-Channel Amplifier\"\u003e\u003c\/div\u003e","brand":"ESX","offers":[{"title":"Default Title","offer_id":46593861320971,"sku":"QM-FOUR","price":199.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1928\/3723\/files\/ESX-ESX-QM-FOUR-_-Amplificateur-4-Canaux-Ultra-Compact-Multison-178102093.jpg?v=1739203813","url":"https:\/\/mumltisun.com\/en\/products\/esx-qm-four-amplificateur-4-canaux-ultra-compact","provider":"mumltisun.com","version":"1.0","type":"link"}