{"product_id":"garmin-am-series-marine-amplifiers-400-watt-2-channel","title":"GARMIN | AM Series Marine Amplifiers 400-Watt 2 Channel","description":"\u003cp\u003ePurpose-built for the marine environment, the AM Series marine amplifiers are designed to enhance your on-water listening experience with quality audio amplification.\u003c\/p\u003e\n\u003cdiv class=\"app__feature__card\" data-translate=\"\"\u003eCLASS-AB Amplifier technology\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eThe Class-AB design provides high power output with reduced distortion to the connected speakers\/subwoofers for an enhanced level of audio performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"app__feature__card\" data-translate=\"\"\u003eEnhanced system performance\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eThe AM Series amplifiers feature built-in variable bass boost, a subsonic filter and variable low\/high pass crossover filters for enhanced performance and system protection.\u003c\/p\u003e\n\u003cp\u003eMARINE-READY Design with conformal coated pcbs\u003c\/p\u003e\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eHelping to extend the life of your amplifiers, the AM Series amplifiers are designed with conformal coated PCBs to provide extra protection from the marine elements.\u003c\/p\u003e\n\u003cp\u003eHeat sink technology\u003c\/p\u003e\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eThe incorporated heat sink is designed to dissipate heat efficiently, providing more thermal stability and enhanced component reliability.\u003c\/p\u003e\n\u003cp\u003e400-WATT 2-CHANNEL Amplifier\u003c\/p\u003e\n\u003cp class=\"app__feature__card__description app__feature__card__description--left\"\u003eThe AM Series 400-watt 2-channel amplifier can power up to a maximum of two pairs of speakers or one subwoofer.\u003c\/p\u003e\n\u003ch3\u003eContent:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne amplifier\u003c\/li\u003e\n\u003cli\u003eDocumentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cdiv id=\"app\" data-v-app=\"\"\u003e\n\u003cdiv id=\"app-root\"\u003e\n\u003caside\u003e\n\u003cdiv data-v-6369e21c=\"\"\u003e\n\u003cdiv class=\"app__tabs__content__wrapper\" data-v-6369e21c=\"\"\u003e\n\u003cdiv id=\"js__app__tabs__content\" class=\"app__tabs__content\" data-active-tab=\"specs\"\u003e\n\u003csection id=\"app__tabs__content__specs\" class=\"app__tabs__content__main app__tabs__content__main--active js__app__tabs__content__sec app__tabs__content__main--specs\"\u003e\n\u003carticle\u003e\n\u003cdiv class=\"app__tabs__content__wrap js__app__tabs__content\"\u003e\n\u003cdiv class=\"app__render-content\"\u003e\n\u003ch4\u003eGeneral\u003c\/h4\u003e\n\u003ctable border=\"0\" width=\"720\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ccolgroup\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd height=\"55\"\u003ePhysical dimensions (Length x Width x Height)\u003c\/td\u003e\n\u003ctd\u003e11.65\" X 9.02\" X 2.09\" (296 X 229 X 53 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eAmplifier class\u003c\/td\u003e\n\u003ctd\u003eClass-AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"39\"\u003ePeak power (Watts)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"67\"\u003eTotal rated power output - 4 Ohm (Watts)\u003c\/td\u003e\n\u003ctd\u003e65 W RMS x 2 @ 14.4 V input - 4 Ohm \u0026lt; 1% THD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"67\"\u003eTotal rated power output - 2 Ohm (Watts)\u003c\/td\u003e\n\u003ctd\u003e100 W RMS x 2 @ 14.4 V input - 2 Ohm \u0026lt; 1% THD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"67\"\u003eTotal rated power output - 4 Ohm Bridged (Watts)\u003c\/td\u003e\n\u003ctd\u003e200 W RMS x 1 @ 14.4 V input - 4 Ohm Bridged \u0026lt; 1% THD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e5 Hz - 38 kHz (-3dB, dB @ 4 Ohm rated power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eInput sensitivity\u003c\/td\u003e\n\u003ctd\u003e0.3 V - 8 V RMS, user adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eInput impedance\u003c\/td\u003e\n\u003ctd\u003e5k Ohm nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eHigh-pass\/low-pass full range filter\u003c\/td\u003e\n\u003ctd\u003eyes (user selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eHP variable crossover frequency\u003c\/td\u003e\n\u003ctd\u003e40 Hz - 600 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eLP variable crossover frequency\u003c\/td\u003e\n\u003ctd\u003e40 Hz - 160 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eBass boost\u003c\/td\u003e\n\u003ctd\u003e0 dB - 18 dB, user adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eOperating voltage\u003c\/td\u003e\n\u003ctd\u003e10.8 V - 16 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eCurrent consumption (StandBy)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1 mA @ 14.4 V input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eCurrent consumption (Idle)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1 A @ 14.4 V input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"39\"\u003eCurrent consumption (Max)\u003c\/td\u003e\n\u003ctd\u003e25 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"39\"\u003eFuse rating\u003c\/td\u003e\n\u003ctd\u003e1 x 25 A ATC blade-type (SAE J1171 compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eOperating temperature range\u003c\/td\u003e\n\u003ctd\u003e32° to 122° F (0° to 50° c)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/aside\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c!-- sr-faq v=1 vendor=garmin source_sha256=3b1b4ca8f755dd3b5b3b8d76298f00566a3c402cd2e0ac511b9dda9b6b0a6579 --\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cdetails\u003e\u003csummary\u003eHow can you help ensure the amplifier's best performance during installation?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eInstallers should carefully read the manual before starting; quality of installation directly affects amplifier performance and reliability.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow is the remote turn-on terminal connected?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eConnect the remote turn-on terminal to a switched +12V source, usually from your head unit. Use at least 18 gauge wire for this connection.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhere should I run the power cable when installing?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eRoute the power cable away from engine parts and use grommets through any metal wall to avoid cable insulation damage.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I connect the RCA input cables?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eConnect the RCA inputs to the low-level output of your head unit, keeping RCA cables away from high-power wires to avoid noise.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow should speaker cables be routed and connected?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eConnect speakers using the amplifier's designated outputs and ensure no wires are shorted or connected to ground. Follow the diagrams in the manual.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow should this amplifier be mounted for optimal cooling?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eMount the amplifier in a location with enough space for airflow and at least 2.5 inches of clearance around it. Never mount upside down as this compromises heat dissipation and could engage thermal protection.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I properly ground the amplifier?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eUse the same gauge cable for ground as for power. Connect the ground cable first to a suitable ground point before connecting power.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIf my amplifier overheats, what should I check?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eEnsure the amplifier is in a ventilated area. Move it if overheating persists and check for shorted speaker wires.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is the minimum speaker impedance required?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eThe minimum impedance needed is 2 ohms STEREO or 4 ohms bridged MONO. Lower values can cause protection mode or damage.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat should be used when passing power cable through metal walls?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eA grommet should be used when passing the power cable through any metal wall to avoid sharp corners or body parts that might cut through cable insulation.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhere should RCA cables be routed in relation to power cables?\u003c\/summary\u003e\u003cdiv\u003e\u003cp\u003eRCA cables should be routed on the opposite side from the power cable to prevent hiss, engine noise, and interference.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How can you help ensure the amplifier's best performance during installation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Installers should carefully read the manual before starting; quality of installation directly affects amplifier performance and reliability.\"}}, {\"@type\": \"Question\", \"name\": \"How is the remote turn-on terminal connected?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Connect the remote turn-on terminal to a switched +12V source, usually from your head unit. 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