{"product_id":"jl-audio-ap300-4-4-channel-300-watt-marine-amplifier","title":"JL Audio AP300\/4 | 4-Channel Marine Amplifier","description":"\u003ch2 class=\"jlap-ap3004-heading\"\u003eJL Audio AP300\/4 – 4-Channel Class-D Marine Amplifier\u003c\/h2\u003e\n\u003cp class=\"jlap-ap3004-subhead\"\u003eThe JL Audio AP300\/4 is a compact 4-channel Class-D amplifier from the AP marine series, designed to deliver up to 300 watts of clean, efficient power in a small, IP67-rated chassis. It can drive multiple pairs of full-range speakers or a mix of speakers and a subwoofer using its flexible bridging and onboard crossovers, making it ideal for small to mid-size boats and powersports builds where space and reliability are critical.\u003c\/p\u003e\n\u003cdiv class=\"jlap-ap3004-pill-row\"\u003e\n\u003cspan class=\"jlap-ap3004-pill\"\u003e4-channel Class-D amplifier\u003c\/span\u003e\u003cspan class=\"jlap-ap3004-pill\"\u003eUp to 300 W RMS total power\u003c\/span\u003e\u003cspan class=\"jlap-ap3004-pill\"\u003eBuilt-in LCD control display\u003c\/span\u003e\u003cspan class=\"jlap-ap3004-pill\"\u003eEasy Tune compatible\u003c\/span\u003e\u003cspan class=\"jlap-ap3004-pill\"\u003eIP67, ignition protected*\u003c\/span\u003e\u003cspan class=\"jlap-ap3004-pill\"\u003eCompact 9–16 VDC design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"jlap-ap3004-pill-row\"\u003e\u003cspan class=\"jlap-ap3004-pill\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"jlap-ap3004-columns\"\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"jlap-ap3004-section-title\"\u003eCompact Class-D Power for Multiple Zones\u003c\/h3\u003e\n\u003cp class=\"jlap-ap3004-body\"\u003eAs the 4-channel model in the AP lineup, the AP300\/4 is engineered to power up to four pairs of speakers or a combination of two pairs of speakers and a subwoofer using bridged channels. Its efficient Class-D topology delivers strong output while minimizing battery drain, a key advantage on marine and powersports electrical systems.\u003c\/p\u003e\n\u003cp class=\"jlap-ap3004-body\"\u003eAt 14.4 V and less than 1% THD, the AP300\/4 is rated for 50 watts x 4 into 4 ohms or 75 watts x 4 into 2 ohms. For higher-output configurations, channels can be bridged to provide 150 watts x 2 into 4 ohms, giving you flexibility in how you allocate power between full-range zones and low-frequency channels.\u003c\/p\u003e\n\u003cul class=\"jlap-ap3004-keylist\"\u003e\n\u003cli\u003e4-channel Class-D amplifier designed for full-range or mixed speaker\/subwoofer systems.\u003c\/li\u003e\n\u003cli\u003eRated continuous power of 50 W x 4 @ 4 Ω or 75 W x 4 @ 2 Ω (14.4 V, \u0026lt;1% THD).\u003c\/li\u003e\n\u003cli\u003eBridged output capability of 150 W x 2 @ 4 Ω for higher-output speaker or subwoofer channels.\u003c\/li\u003e\n\u003cli\u003eFull-range frequency response from 20 Hz–20 kHz (+0, -1 dB) for clear, wide-band audio.\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio \u0026gt;70 dB (A-weighted, 20 Hz–20 kHz, referred to 1 W) for low-noise performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"jlap-ap3004-section-title\"\u003eLCD On-Amp Control, Easy Tune \u0026amp; Marine Durability\u003c\/h3\u003e\n\u003cp class=\"jlap-ap3004-body\"\u003eA built-in LCD display gives you direct access to key amplifier settings at the amp itself, simplifying setup and adjustments during installation or service. For further optimization, the AP300\/4 supports JL Audio’s Easy Tune feature when paired with a compatible Fusion® stereo that has built-in DSP and the Fusion® Audio app, allowing quick, profile-based setup to help protect speakers and maintain consistent system tuning.\u003c\/p\u003e\n\u003cp class=\"jlap-ap3004-body\"\u003eDesigned for harsh marine environments, the amplifier chassis carries an IP67 water and dust rating (excluding cables) and is ignition protected. Its compact footprint and low idle current draw make it easy to mount and integrate in tight compartments without putting unnecessary strain on the battery system.\u003c\/p\u003e\n\u003cul class=\"jlap-ap3004-keylist\"\u003e\n\u003cli\u003eBuilt-in LCD display for manual control and amplifier setup right on the unit.\u003c\/li\u003e\n\u003cli\u003eEasy Tune feature supported when used with Fusion® stereos with DSP and Fusion® Audio app.\u003c\/li\u003e\n\u003cli\u003eIP67-rated amplifier chassis (excluding cables) for water and dust resistance.\u003c\/li\u003e\n\u003cli\u003eIgnition protected design for use in appropriate marine engine compartments.\u003c\/li\u003e\n\u003cli\u003ePhysical dimensions: 1.86\" (H) x 10.43\" (W) x 4.90\" (D) \/ 47 x 265 x 125 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"jlap-ap3004-spec-grid\"\u003e\n\u003cdiv class=\"jlap-ap3004-spec-heading\"\u003e\u003c\/div\u003e\n\u003ctable class=\"jlap-ap3004-spectable\" style=\"width: 100.036%; height: 372.4px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003eAP300\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eChannels\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e4-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eAmplifier Class\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003eClass D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e9–16 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eWater\/Dust Rating\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003eIP67 (amplifier chassis, excluding cables)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e4° to 149°F (-20° to 65°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eRated Power @ 4 Ω (14.4 V)\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e50 W x 4 \/ 150 W x 2 bridged (\u0026lt;1% THD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eRated Power @ 2 Ω (14.4 V)\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e75 W x 4 (\u0026lt;1% THD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e20 Hz – 20 kHz (+0, -1 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eSignal-to-Noise Ratio\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e\u0026gt;70 dB (A-weighted, 20 Hz–20 kHz, referred to 1 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eStandby Current\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e\u0026lt;1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eIdle Current\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003eApproximately 700–750 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eFuse Rating\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e35 A (AFS, AGU, or MaxiFuse™ recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003eMinimum Power\/Ground Wire\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e4 AWG copper wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 39.2px;\"\u003eProtection Circuits\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 39.2px;\"\u003eInput under\/over voltage, over-temperature, output short circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 39.2px;\"\u003eAmplifier Dimensions (H x W x D)\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 39.2px;\"\u003e1.86\" x 10.43\" x 4.90\" (47 x 265 x 125 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 34.6997%; height: 19.6px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.0845%; height: 19.6px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"jlap-ap3004-spec-grid\"\u003e\n\u003cdiv class=\"jlap-ap3004-spec-heading\"\u003eSignal Processing \u0026amp; Crossover Features – AP300\/4\u003c\/div\u003e\n\u003ctable class=\"jlap-ap3004-spectable\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Pass \/ Low-Pass Filters\u003c\/td\u003e\n\u003ctd\u003eYes – full-range filters, user selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Modes – Channels 1 \u0026amp; 2\u003c\/td\u003e\n\u003ctd\u003eOff, High-pass (HP) or Low-pass (LP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Modes – Channels 3 \u0026amp; 4\u003c\/td\u003e\n\u003ctd\u003eOff, High-pass (HP) or Low-pass (LP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Slope\u003c\/td\u003e\n\u003ctd\u003e12 dB\/octave (all channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Frequency Range\u003c\/td\u003e\n\u003ctd\u003e20 Hz – 500 Hz (HP or LP, channels 1–4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHP Variable Crossover\u003c\/td\u003e\n\u003ctd\u003eYes – 4-channel, 12 dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLP Variable Crossover\u003c\/td\u003e\n\u003ctd\u003eYes – 4-channel, 20–500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Boost EQ\u003c\/td\u003e\n\u003ctd\u003e0 to +18 dB @ 37 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd\u003eRCA inputs switchable: 200 mV–2 V RMS (Low), 800 mV–8 V RMS (High)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e11 kΩ (High), 20 kΩ (Low)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"JL Audio","offers":[{"title":"Default Title","offer_id":51939650928926,"sku":"JL-AP300\/4","price":707.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7171\/1262\/files\/ap3004__2__41533.jpg?v=1780966732","url":"https:\/\/platinumhpsolutions.myshopify.com\/fr\/products\/jl-audio-ap300-4-4-channel-300-watt-marine-amplifier","provider":"Platinum High Performance Solutions, LLC.","version":"1.0","type":"link"}