{"product_id":"ds18-hooligan-ko-h-ko340-4-channel-full-range-class-d-amplifier-4-x-300w-rms-red","title":"DS18 HOOLIGAN KO H-KO340 4-Channel Full-Range Class-D Amplifier | 4 x 300W RMS | Red","description":"\u003cp data-start=\"376\" data-end=\"746\"\u003eThe \u003cstrong data-start=\"380\" data-end=\"408\"\u003eDS18 HOOLIGAN KO H-KO340\u003c\/strong\u003e is a Korean-made, competition-grade \u003cstrong data-start=\"445\" data-end=\"487\"\u003e4-channel Class-D full-range amplifier\u003c\/strong\u003e engineered for clean power, flexibility, and durability. Designed for high-performance door speakers, mids, highs, and active system layouts, this amplifier delivers \u003cstrong data-start=\"654\" data-end=\"679\"\u003e4 x 300W RMS at 4 OHM\u003c\/strong\u003e, \u003cstrong data-start=\"681\" data-end=\"706\"\u003e4 x 550W RMS at 2 OHM\u003c\/strong\u003e, or \u003cstrong data-start=\"711\" data-end=\"745\"\u003e2 x 1000W RMS bridged at 4 OHM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"748\" data-end=\"1130\"\u003eBuilt on a \u003cstrong data-start=\"759\" data-end=\"793\"\u003eheavy-duty Korean board design\u003c\/strong\u003e, the H-KO340 combines high-efficiency digital circuitry with advanced protection systems to handle aggressive daily use and competition environments. With \u003cstrong data-start=\"949\" data-end=\"998\"\u003eselectable HPF, LPF, and band-pass crossovers\u003c\/strong\u003e, wide frequency adjustment, and input flexibility, this amplifier provides precise control for full-range and active audio systems.\u003c\/p\u003e\n\u003cp data-start=\"1132\" data-end=\"1402\"\u003eLED indicators for \u003cstrong data-start=\"1151\" data-end=\"1186\"\u003epower, protection, and clipping\u003c\/strong\u003e, professional \u003cstrong data-start=\"1201\" data-end=\"1233\"\u003eTiffany-style RCA connectors\u003c\/strong\u003e, and an included \u003cstrong data-start=\"1251\" data-end=\"1295\"\u003eremote level control with clip indicator\u003c\/strong\u003e make the H-KO340 easy to tune and monitor while delivering consistent, clean output session after session.\u003c\/p\u003e\n\u003chr data-start=\"1404\" data-end=\"1407\"\u003e\n\u003ch3 data-start=\"1409\" data-end=\"1429\"\u003e\u003cstrong data-start=\"1413\" data-end=\"1429\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1430\" data-end=\"1951\"\u003e\n\u003cli data-start=\"1430\" data-end=\"1472\"\u003e\n\u003cp data-start=\"1432\" data-end=\"1472\"\u003e4-channel full-range Class-D amplifier\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1473\" data-end=\"1502\"\u003e\n\u003cp data-start=\"1475\" data-end=\"1502\"\u003e\u003cstrong data-start=\"1475\" data-end=\"1500\"\u003e4 x 300W RMS at 4 OHM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1503\" data-end=\"1532\"\u003e\n\u003cp data-start=\"1505\" data-end=\"1532\"\u003e\u003cstrong data-start=\"1505\" data-end=\"1530\"\u003e4 x 550W RMS at 2 OHM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1533\" data-end=\"1571\"\u003e\n\u003cp data-start=\"1535\" data-end=\"1571\"\u003e\u003cstrong data-start=\"1535\" data-end=\"1569\"\u003e2 x 1000W RMS bridged at 4 OHM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1572\" data-end=\"1633\"\u003e\n\u003cp data-start=\"1574\" data-end=\"1633\"\u003eStable operation at \u003cstrong data-start=\"1594\" data-end=\"1631\"\u003e2 OHM per channel \/ 4 OHM bridged\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1634\" data-end=\"1685\"\u003e\n\u003cp data-start=\"1636\" data-end=\"1685\"\u003eSelectable \u003cstrong data-start=\"1647\" data-end=\"1683\"\u003eHPF \/ LPF \/ Band-Pass crossovers\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1686\" data-end=\"1728\"\u003e\n\u003cp data-start=\"1688\" data-end=\"1728\"\u003eHigh-efficiency digital circuit design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1729\" data-end=\"1779\"\u003e\n\u003cp data-start=\"1731\" data-end=\"1779\"\u003eHeavy-duty \u003cstrong data-start=\"1742\" data-end=\"1777\"\u003eKorean-built board construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1780\" data-end=\"1829\"\u003e\n\u003cp data-start=\"1782\" data-end=\"1829\"\u003eLED indicators for \u003cstrong data-start=\"1801\" data-end=\"1827\"\u003ePower \/ Protect \/ Clip\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1830\" data-end=\"1887\"\u003e\n\u003cp data-start=\"1832\" data-end=\"1887\"\u003eIncluded \u003cstrong data-start=\"1841\" data-end=\"1885\"\u003eremote level control with clip indicator\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1888\" data-end=\"1931\"\u003e\n\u003cp data-start=\"1890\" data-end=\"1931\"\u003eProfessional \u003cstrong data-start=\"1903\" data-end=\"1929\"\u003eTiffany RCA connectors\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1932\" data-end=\"1951\"\u003e\n\u003cp data-start=\"1934\" data-end=\"1951\"\u003e\u003cstrong data-start=\"1934\" data-end=\"1951\"\u003eMade in Korea\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1953\" data-end=\"1956\"\u003e\n\u003ch3 data-start=\"1958\" data-end=\"1986\"\u003e\u003cstrong data-start=\"1962\" data-end=\"1986\"\u003ePower Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1987\" data-end=\"2103\"\u003e\n\u003cli data-start=\"1987\" data-end=\"2022\"\u003e\n\u003cp data-start=\"1989\" data-end=\"2022\"\u003eRMS Power @ 4 OHM: \u003cstrong data-start=\"2008\" data-end=\"2020\"\u003e4 x 300W\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2023\" data-end=\"2058\"\u003e\n\u003cp data-start=\"2025\" data-end=\"2058\"\u003eRMS Power @ 2 OHM: \u003cstrong data-start=\"2044\" data-end=\"2056\"\u003e4 x 550W\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2059\" data-end=\"2103\"\u003e\n\u003cp data-start=\"2061\" data-end=\"2103\"\u003eRMS Power @ 4 OHM Bridged: \u003cstrong data-start=\"2088\" data-end=\"2101\"\u003e2 x 1000W\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2105\" data-end=\"2108\"\u003e\n\u003ch3 data-start=\"2110\" data-end=\"2138\"\u003e\u003cstrong data-start=\"2114\" data-end=\"2138\"\u003eAudio Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2139\" data-end=\"2364\"\u003e\n\u003cli data-start=\"2139\" data-end=\"2179\"\u003e\n\u003cp data-start=\"2141\" data-end=\"2179\"\u003eFrequency Response: \u003cstrong data-start=\"2161\" data-end=\"2177\"\u003e13Hz – 20KHz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2180\" data-end=\"2216\"\u003e\n\u003cp data-start=\"2182\" data-end=\"2216\"\u003eSignal-to-Noise Ratio: \u003cstrong data-start=\"2205\" data-end=\"2214\"\u003e\u0026gt;90dB\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2217\" data-end=\"2248\"\u003e\n\u003cp data-start=\"2219\" data-end=\"2248\"\u003eEfficiency @ 4 OHM: \u003cstrong data-start=\"2239\" data-end=\"2246\"\u003e90%\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2249\" data-end=\"2276\"\u003e\n\u003cp data-start=\"2251\" data-end=\"2276\"\u003eDamping Factor: \u003cstrong data-start=\"2267\" data-end=\"2274\"\u003e100\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2277\" data-end=\"2323\"\u003e\n\u003cp data-start=\"2279\" data-end=\"2323\"\u003eTotal Harmonic Distortion (THD): \u003cstrong data-start=\"2312\" data-end=\"2321\"\u003e\u0026lt;0.2%\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2324\" data-end=\"2364\"\u003e\n\u003cp data-start=\"2326\" data-end=\"2364\"\u003eLow-Level Input Range: \u003cstrong data-start=\"2349\" data-end=\"2362\"\u003e0.2V – 8V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2366\" data-end=\"2369\"\u003e\n\u003ch3 data-start=\"2371\" data-end=\"2406\"\u003e\u003cstrong data-start=\"2375\" data-end=\"2406\"\u003eCrossover \u0026amp; Tuning Controls\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2407\" data-end=\"2650\"\u003e\n\u003cli data-start=\"2407\" data-end=\"2459\"\u003e\n\u003cp data-start=\"2409\" data-end=\"2459\"\u003eSelectable Crossovers: \u003cstrong data-start=\"2432\" data-end=\"2457\"\u003eHPF \/ LPF \/ Band-Pass\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2460\" data-end=\"2490\"\u003e\n\u003cp data-start=\"2462\" data-end=\"2490\"\u003eHPF Range: \u003cstrong data-start=\"2473\" data-end=\"2488\"\u003e20Hz – 8KHz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2491\" data-end=\"2521\"\u003e\n\u003cp data-start=\"2493\" data-end=\"2521\"\u003eLPF Range: \u003cstrong data-start=\"2504\" data-end=\"2519\"\u003e50Hz – 8KHz\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2522\" data-end=\"2560\"\u003e\n\u003cp data-start=\"2524\" data-end=\"2560\"\u003eFrequency Multiplier: \u003cstrong data-start=\"2546\" data-end=\"2558\"\u003e1X \/ 10X\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2561\" data-end=\"2594\"\u003e\n\u003cp data-start=\"2563\" data-end=\"2594\"\u003eBass Boost: \u003cstrong data-start=\"2575\" data-end=\"2592\"\u003eNot Available\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2595\" data-end=\"2624\"\u003e\n\u003cp data-start=\"2597\" data-end=\"2624\"\u003eInfrasonic Filter: \u003cstrong data-start=\"2616\" data-end=\"2622\"\u003eNo\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2625\" data-end=\"2650\"\u003e\n\u003cp data-start=\"2627\" data-end=\"2650\"\u003ePhase Control: \u003cstrong data-start=\"2642\" data-end=\"2648\"\u003eNo\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2652\" data-end=\"2655\"\u003e\n\u003ch3 data-start=\"2657\" data-end=\"2696\"\u003e\u003cstrong data-start=\"2661\" data-end=\"2696\"\u003eElectrical, Inputs \u0026amp; Protection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2697\" data-end=\"3239\"\u003e\n\u003cli data-start=\"2697\" data-end=\"2739\"\u003e\n\u003cp data-start=\"2699\" data-end=\"2739\"\u003eAmplifier Class: \u003cstrong data-start=\"2716\" data-end=\"2737\"\u003eDigital (Class D)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2740\" data-end=\"2781\"\u003e\n\u003cp data-start=\"2742\" data-end=\"2781\"\u003eAmplifier Type: \u003cstrong data-start=\"2758\" data-end=\"2779\"\u003eStereo Full-Range\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2782\" data-end=\"2811\"\u003e\n\u003cp data-start=\"2784\" data-end=\"2811\"\u003eNumber of Channels: \u003cstrong data-start=\"2804\" data-end=\"2809\"\u003e4\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2812\" data-end=\"2872\"\u003e\n\u003cp data-start=\"2814\" data-end=\"2872\"\u003eMinimum Impedance: \u003cstrong data-start=\"2833\" data-end=\"2870\"\u003e2 OHM per channel \/ 4 OHM bridged\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2873\" data-end=\"2917\"\u003e\n\u003cp data-start=\"2875\" data-end=\"2917\"\u003ePower Input Terminal Size: \u003cstrong data-start=\"2902\" data-end=\"2915\"\u003e1\/0 Gauge\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2918\" data-end=\"2943\"\u003e\n\u003cp data-start=\"2920\" data-end=\"2943\"\u003eFuse Rating: \u003cstrong data-start=\"2933\" data-end=\"2941\"\u003e200A\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2944\" data-end=\"2967\"\u003e\n\u003cp data-start=\"2946\" data-end=\"2967\"\u003eCooling Fan: \u003cstrong data-start=\"2959\" data-end=\"2965\"\u003eNo\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2968\" data-end=\"2989\"\u003e\n\u003cp data-start=\"2970\" data-end=\"2989\"\u003eVoltmeter: \u003cstrong data-start=\"2981\" data-end=\"2987\"\u003eNo\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2990\" data-end=\"3036\"\u003e\n\u003cp data-start=\"2992\" data-end=\"3036\"\u003eLED Indicators: \u003cstrong data-start=\"3008\" data-end=\"3034\"\u003ePower \/ Protect \/ Clip\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3037\" data-end=\"3140\"\u003e\n\u003cp data-start=\"3039\" data-end=\"3140\"\u003eProtection Circuitry: \u003cstrong data-start=\"3061\" data-end=\"3138\"\u003eThermal, Over-Load, DC Offset, Short Circuit, Voltage Input, and Clipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3141\" data-end=\"3175\"\u003e\n\u003cp data-start=\"3143\" data-end=\"3175\"\u003eInput Mode Selectable: \u003cstrong data-start=\"3166\" data-end=\"3173\"\u003eYes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3176\" data-end=\"3216\"\u003e\n\u003cp data-start=\"3178\" data-end=\"3216\"\u003eX-Over Frequency Multiplier: \u003cstrong data-start=\"3207\" data-end=\"3214\"\u003eYes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3217\" data-end=\"3239\"\u003e\n\u003cp data-start=\"3219\" data-end=\"3239\"\u003eStrap Mode: \u003cstrong data-start=\"3231\" data-end=\"3237\"\u003eNo\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3241\" data-end=\"3244\"\u003e\n\u003ch3 data-start=\"3246\" data-end=\"3264\"\u003e\u003cstrong data-start=\"3250\" data-end=\"3264\"\u003eDimensions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3265\" data-end=\"3469\"\u003e\n\u003cli data-start=\"3265\" data-end=\"3324\"\u003e\n\u003cp data-start=\"3267\" data-end=\"3324\"\u003eOverall Length (with end plates): \u003cstrong data-start=\"3301\" data-end=\"3322\"\u003e14.5-inch (370mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3325\" data-end=\"3365\"\u003e\n\u003cp data-start=\"3327\" data-end=\"3365\"\u003eOverall Width: \u003cstrong data-start=\"3342\" data-end=\"3363\"\u003e9.68-inch (246mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3366\" data-end=\"3426\"\u003e\n\u003cp data-start=\"3368\" data-end=\"3426\"\u003eOverall Height (with end plates): \u003cstrong data-start=\"3402\" data-end=\"3424\"\u003e2.85-inch (72.5mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3427\" data-end=\"3469\"\u003e\n\u003cp data-start=\"3429\" data-end=\"3469\"\u003eHeatsink Length: \u003cstrong data-start=\"3446\" data-end=\"3467\"\u003e13.3-inch (340mm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe DS18 HOOLIGAN KO H-KO340 is a competition-ready 4-channel full-range amplifier built for clean power, system flexibility, and long-term reliability. Whether powering mids and highs, running an active setup, or bridging channels for serious output, the H-KO340 delivers Korean-engineered performance with precise control and efficiency.\u003c\/p\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":53129295233390,"sku":"DS18-H-KO340-RED","price":719.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0060\/1918\/6791\/files\/H-KO340-RD-2000x2000_700x_9fec8089-654a-4ba4-8eef-024dc5ebfabd.jpg?v=1766780226","url":"https:\/\/www.droppinhzcaraudio.com\/products\/ds18-hooligan-ko-h-ko340-4-channel-full-range-class-d-amplifier-4-x-300w-rms-red","provider":"Droppin HZ Car Audio","version":"1.0","type":"link"}