{"product_id":"jbl-marine-audio-speaker-system","title":"JBL 4 Channel Marine Amplifier","description":"\u003cp\u003eThe JBL 4 Channel Marine Amplifier is built for boaters and water enthusiasts who want serious power without worrying about salt water and corrosion. This Class D amp delivers 900 watts of total RMS power while staying stable at 2-ohm impedance, and its conformal-coated circuit board and stainless steel connections are engineered specifically to handle harsh marine environments. Whether you're running 150 watts per channel at 4 ohms or bridging it for 450 watts per channel, the Marine A1504 gives you flexible configuration options backed by an LED power and protect indicator to keep tabs on your system.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000; font-weight: bold;\"\u003eSpecs \u0026amp; Details:\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable width=\"100%\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003eMarine Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eAmplifier Class\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003eD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e4-Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eTotal RMS Power Output\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e900 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eRMS Power @ 4 ohms\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e150 watts x 4 channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eRMS Power @ 2 ohms\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e225 watts x 4 channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eBridged RMS Power\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e450 watts x 2 channel @ 4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eMinimum Impedance Unbridged\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eMinimum Impedance Bridged\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e4 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e20 - 20000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eTHD at Rated RMS Power\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eSignal-to-Noise Ratio\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e80 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eLow-Level Input Sensitivity\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e200 mV - 5 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eHigh-Level Input Sensitivity\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e1 - 25 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eSpeaker Level Inputs\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003ePreamp Outputs\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e1 pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eBuilt-in Crossover\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003eLow-Pass (LP) \/ High-Pass (HP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eHigh-Pass Crossover Frequency\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e32 - 320 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eLow-Pass Crossover Frequency\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e32 - 320 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eFuse Rating\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e35A x 3 (105A total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eMaximum Input Gauge Size\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e4 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eRemote Bass\/Level Controller\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eStrappable\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eBluetooth Connectivity\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"color: #000000;\"\u003e14-3\/16\" L x 7-1\/8\" W x 2-1\/16\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000; font-weight: bold;\"\u003eFeatures \u0026amp; Benefits:\u003c\/span\u003e\u003cbr\u003e• 150 watts x 4 channel @ 4 ohm\u003cbr\u003e• 225 watts x 4 channel @ 2 ohm\u003cbr\u003e• Bridged: 450 watts x 2 channel @ 4 ohm\u003cbr\u003e• Total RMS Power: 900 watts\u003cbr\u003e• Class D 2 ohm Stable 4-Channel Amplifier\u003cbr\u003e• LED Power\/Protect Light\u003cbr\u003e• Speaker-level (high-level) inputs with included high-level input adapters\u003cbr\u003e• 1 pair of pre-amp outputs\u003cbr\u003e• Conformal-coated circuit board\u003cbr\u003e• Corrosion-resistant stainless steel connections\u003cbr\u003e• 2-way turn-on mode switch\u003cbr\u003e• Input level switch\u003cbr\u003e• Variable high-pass filter: 32 - 320 Hz\u003cbr\u003e• Variable low-pass filter: 32 - 320 Hz\u003cbr\u003e• 4 AWG gauge amplifier wiring kit recommended for installation\u003c\/p\u003e\n\u003cdetails class=\"ek2-pn\" style=\"margin-top: 16px;\" open=\"\"\u003e\n\u003csummary style=\"color: #000000; font-weight: bold; cursor: pointer; list-style: none;\"\u003e\u003cspan class=\"ek2-caret\" style=\"display: inline-block; margin-right: 6px; transition: transform 0.15s ease;\"\u003e▸\u003c\/span\u003ePart Number\u003cspan class=\"ek2-pn-hint\" style=\"font-weight: normal; color: #6b7280; margin-left: 8px;\"\u003e(click to expand)\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable width=\"100%\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr bgcolor=\"#d9ebea\"\u003e\n\u003ctd style=\"color: #000000; font-weight: bold;\"\u003ePart Number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#daf3ff\"\u003e\n\u003ctd style=\"color: #000000;\"\u003eJBLMA1504AM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cstyle\u003edetails.ek2-pn[open] \u003e summary \u003e .ek2-caret { transform: rotate(90deg); } details.ek2-pn[open] \u003e summary \u003e .ek2-pn-hint { display: none; }\u003c\/style\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":53696048726309,"sku":"JBL-JBLMA1504AM","price":699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/2178\/6149\/files\/jblma1504AM_photo1.avif?v=1787945164","url":"https:\/\/ek2marine.com\/products\/jbl-marine-audio-speaker-system","provider":"EK2 Marine","version":"1.0","type":"link"}