{"product_id":"hammer-tech-eca475-amplifier","title":"HAMMER TECH ECA475 AMPLIFIER","description":"\u003ch3 data-start=\"184\" data-end=\"259\"\u003eEntry-Level Amplifier | Class-D Topology | Engineered for Performance\u003c\/h3\u003e\n\u003chr data-start=\"261\" data-end=\"264\"\u003e\n\u003ch2 data-start=\"266\" data-end=\"279\"\u003eAbstract\u003c\/h2\u003e\n\u003cp data-start=\"280\" data-end=\"725\"\u003eThe \u003cstrong data-start=\"284\" data-end=\"306\"\u003eHammer Tech ECA475\u003c\/strong\u003e is an entry-level 4-channel Class-D amplifier designed to provide \u003cstrong data-start=\"373\" data-end=\"416\"\u003eaffordable high-fidelity power delivery\u003c\/strong\u003e without compromising on build quality or reliability. By optimizing circuit efficiency and parts selection, Hammer Tech has achieved a balance between \u003cstrong data-start=\"568\" data-end=\"613\"\u003ecost efficiency and engineering precision\u003c\/strong\u003e, delivering stable output power, flexible integration, and robust protection features in a compact form factor.\u003c\/p\u003e\n\u003chr data-start=\"727\" data-end=\"730\"\u003e\n\u003ch2 data-start=\"732\" data-end=\"756\"\u003ePower \u0026amp; Performance\u003c\/h2\u003e\n\u003cul data-start=\"757\" data-end=\"1078\"\u003e\n\u003cli data-start=\"757\" data-end=\"782\"\u003e\n\u003cp data-start=\"759\" data-end=\"782\"\u003e\u003cstrong data-start=\"759\" data-end=\"772\"\u003eTopology:\u003c\/strong\u003e Class-D\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"783\" data-end=\"897\"\u003e\n\u003cp data-start=\"785\" data-end=\"897\"\u003e\u003cstrong data-start=\"785\" data-end=\"825\"\u003eRated RMS Output (14.4V, ≤1% THD+N):\u003c\/strong\u003e\u003cbr data-start=\"825\" data-end=\"828\"\u003e• 75 W × 4 @ 4Ω\u003cbr data-start=\"845\" data-end=\"848\"\u003e• 115 W × 4 @ 2Ω\u003cbr data-start=\"866\" data-end=\"869\"\u003e• 240 W × 2 bridged @ 4Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"898\" data-end=\"948\"\u003e\n\u003cp data-start=\"900\" data-end=\"948\"\u003e\u003cstrong data-start=\"900\" data-end=\"923\"\u003eFrequency Response:\u003c\/strong\u003e 20 Hz – 30 kHz (-3 dB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"949\" data-end=\"989\"\u003e\n\u003cp data-start=\"951\" data-end=\"989\"\u003e\u003cstrong data-start=\"951\" data-end=\"961\"\u003eTHD+N:\u003c\/strong\u003e \u0026lt;0.2% @ 30 W \/ 4Ω \/ 1 kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"990\" data-end=\"1078\"\u003e\n\u003cp data-start=\"992\" data-end=\"1078\"\u003e\u003cstrong data-start=\"992\" data-end=\"1006\"\u003eS\/N Ratio:\u003c\/strong\u003e\u003cbr data-start=\"1006\" data-end=\"1009\"\u003e• \u0026gt;93 dB (A-weighted) @ rated power\u003cbr data-start=\"1046\" data-end=\"1049\"\u003e• \u0026gt;75 dB (CEA-2006) @ 1 W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1080\" data-end=\"1083\"\u003e\n\u003ch2 data-start=\"1085\" data-end=\"1108\"\u003eSystem Integration\u003c\/h2\u003e\n\u003cul data-start=\"1109\" data-end=\"1340\"\u003e\n\u003cli data-start=\"1109\" data-end=\"1200\"\u003e\n\u003cp data-start=\"1111\" data-end=\"1200\"\u003e\u003cstrong data-start=\"1111\" data-end=\"1133\"\u003eInput Sensitivity:\u003c\/strong\u003e\u003cbr data-start=\"1133\" data-end=\"1136\"\u003e• 0.35–3.5 V (RCA input)\u003cbr data-start=\"1162\" data-end=\"1165\"\u003e• 0.7–7 V (Speaker-level input)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1201\" data-end=\"1243\"\u003e\n\u003cp data-start=\"1203\" data-end=\"1243\"\u003e\u003cstrong data-start=\"1203\" data-end=\"1231\"\u003eInput Channel Selection:\u003c\/strong\u003e 2CH \/ 4CH\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1244\" data-end=\"1293\"\u003e\n\u003cp data-start=\"1246\" data-end=\"1293\"\u003e\u003cstrong data-start=\"1246\" data-end=\"1263\"\u003eAuto Turn-On:\u003c\/strong\u003e DC Offset or Remote trigger\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1294\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1296\" data-end=\"1340\"\u003e\u003cstrong data-start=\"1296\" data-end=\"1324\"\u003eOperating Voltage Range:\u003c\/strong\u003e 7.5 – 16 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1342\" data-end=\"1345\"\u003e\n\u003ch2 data-start=\"1347\" data-end=\"1373\"\u003eCrossover \u0026amp; Filtering\u003c\/h2\u003e\n\u003cul data-start=\"1374\" data-end=\"1551\"\u003e\n\u003cli data-start=\"1374\" data-end=\"1418\"\u003e\n\u003cp data-start=\"1376\" data-end=\"1418\"\u003e\u003cstrong data-start=\"1376\" data-end=\"1393\"\u003eFilter Modes:\u003c\/strong\u003e Full Range \/ HPF \/ LPF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1419\" data-end=\"1453\"\u003e\n\u003cp data-start=\"1421\" data-end=\"1453\"\u003e\u003cstrong data-start=\"1421\" data-end=\"1438\"\u003eFilter Slope:\u003c\/strong\u003e 12 dB\/octave\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1454\" data-end=\"1551\"\u003e\n\u003cp data-start=\"1456\" data-end=\"1551\"\u003e\u003cstrong data-start=\"1456\" data-end=\"1476\"\u003eFrequency Range:\u003c\/strong\u003e\u003cbr data-start=\"1476\" data-end=\"1479\"\u003e• HPF: OFF – 300 Hz (Group A)\u003cbr data-start=\"1510\" data-end=\"1513\"\u003e• HPF \/ LPF: 50 – 300 Hz (Group B)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1553\" data-end=\"1556\"\u003e\n\u003ch2 data-start=\"1558\" data-end=\"1587\"\u003eProtection \u0026amp; Reliability\u003c\/h2\u003e\n\u003cp data-start=\"1588\" data-end=\"1661\"\u003eThe ECA475 is equipped with comprehensive \u003cstrong data-start=\"1630\" data-end=\"1658\"\u003eself-protection circuits\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1662\" data-end=\"1790\"\u003e\n\u003cli data-start=\"1662\" data-end=\"1685\"\u003e\n\u003cp data-start=\"1664\" data-end=\"1685\"\u003eOverload Protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1686\" data-end=\"1714\"\u003e\n\u003cp data-start=\"1688\" data-end=\"1714\"\u003eShort Circuit Protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1715\" data-end=\"1746\"\u003e\n\u003cp data-start=\"1717\" data-end=\"1746\"\u003eThermal Overheat Protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1747\" data-end=\"1790\"\u003e\n\u003cp data-start=\"1749\" data-end=\"1790\"\u003eUnder-voltage \u0026amp; Over-voltage Safeguards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1792\" data-end=\"1795\"\u003e\n\u003ch2 data-start=\"1797\" data-end=\"1825\"\u003ePhysical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1826\" data-end=\"1958\"\u003e\n\u003cli data-start=\"1826\" data-end=\"1875\"\u003e\n\u003cp data-start=\"1828\" data-end=\"1875\"\u003e\u003cstrong data-start=\"1828\" data-end=\"1855\"\u003eDimensions (L × W × H):\u003c\/strong\u003e 195 × 150 × 46 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1876\" data-end=\"1928\"\u003e\n\u003cp data-start=\"1878\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1878\" data-end=\"1905\"\u003ePower\/Ground Terminals:\u003c\/strong\u003e 2 – 4 AWG compatible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1929\" data-end=\"1958\"\u003e\n\u003cp data-start=\"1931\" data-end=\"1958\"\u003e\u003cstrong data-start=\"1931\" data-end=\"1947\"\u003eFuse Rating:\u003c\/strong\u003e 1 × 50 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1960\" data-end=\"1963\"\u003e\n\u003ch2 data-start=\"1965\" data-end=\"1981\"\u003eApplication\u003c\/h2\u003e\n\u003cp data-start=\"1982\" data-end=\"2266\"\u003eThe Hammer Tech ECA475 is engineered for \u003cstrong data-start=\"2023\" data-end=\"2100\"\u003eentry-level system upgrades, OEM integration, and budget-conscious builds\u003c\/strong\u003e. Its combination of compact size, stable Class-D power delivery, and installer-friendly features makes it a versatile choice for a wide range of vehicle platforms.\u003c\/p\u003e\n\u003chr data-start=\"2268\" data-end=\"2271\"\u003e\n\u003ch2 data-start=\"2273\" data-end=\"2288\"\u003eConclusion\u003c\/h2\u003e\n\u003cp data-start=\"2289\" data-end=\"2624\"\u003eThe \u003cstrong data-start=\"2293\" data-end=\"2406\"\u003eECA475 demonstrates Hammer Tech’s philosophy of delivering real engineering value at every tier of the market\u003c\/strong\u003e. By integrating premium design practices into an entry-level price point, this amplifier ensures that first-time enthusiasts and seasoned installers alike can access \u003cstrong data-start=\"2573\" data-end=\"2621\"\u003ereliable, clean, and efficient amplification\u003c\/strong\u003e.\u003c\/p\u003e","brand":"AUDIOPHILE ENTERPRISE ","offers":[{"title":"Default Title","offer_id":43559916666959,"sku":null,"price":199.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/5566\/8815\/files\/IMG_5736-Photoroom.png?v=1756864264","url":"https:\/\/www.sgcaraudio.com\/products\/hammer-tech-eca475-amplifier","provider":"AUDIOPHILE ENTERPRISE ","version":"1.0","type":"link"}