{"product_id":"ds18-g1800-4d-4-channel-class-d-full-range-amplifier","title":"G1800.4D DS18 GEN-X 1800W Max 4-Channel Class D Car Audio Amplifier 4 x 150W RMS @ 4-Ohm– Full Range","description":"\u003ch2\u003e\u003cspan\u003eDS18 G1800.4D 4-Channel Class D Full Range Amplifier | 4 x 150W RMS | 1800W Max \u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade your audio system with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDS18 G1800.4D\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a high-performance 4-channel Class D amplifier engineered to deliver clean, dependable power for speakers, component systems, and custom audio builds. Whether you're upgrading a daily driver, building a high-output pro audio system, or installing a premium Jeep or truck audio system, the G1800.4D delivers the efficiency, flexibility, and performance serious enthusiasts expect.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWith \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4 x 150 Watts RMS at 4 Ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4 x 230 Watts RMS at 2 Ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2 x 430 Watts RMS bridged at 4 Ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this amplifier provides real-world power that allows your speakers to perform at their full potential while maintaining excellent sound quality and long-term reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eWhy You'll Love It\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✔ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4 x 150 Watts RMS @ 4 Ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for clean, reliable speaker power\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✔ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4 x 230 Watts RMS @ 2 Ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for increased output\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✔ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2 x 430 Watts RMS Bridged @ 4 Ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for flexible system design\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✔ Efficient \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eClass D Technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e reduces heat while maximizing performance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✔ Built-In High-Pass \u0026amp; Low-Pass Crossovers simplify system tuning\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✔ Power, Protection \u0026amp; Clip Indicators help protect your equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✔ Compact chassis fits where many larger amplifiers won't\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e✔ Designed for enthusiasts who demand reliable, high-output performance\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003ePerfect For\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Four 6.5\" Midrange Speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Four 8\" Pro Audio Speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Premium Component Speaker Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Front \u0026amp; Rear Speaker Upgrades\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Jeep Audio Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Truck Audio Systems\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Daily Driver Sound Quality Builds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Competition-Inspired Speaker Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDS18 G1800.4D\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is built for enthusiasts who want more than impressive peak power numbers—they want clean RMS power that allows their speakers to perform at their best. Designed around an efficient full-range Class D platform, this amplifier delivers excellent output while minimizing heat and current draw, making it ideal for modern vehicle installations where both performance and efficiency matter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWith selectable High-Pass, Low-Pass, and Full-Range crossover settings, the G1800.4D adapts easily to a wide variety of system configurations. Whether you're powering four high-performance coaxial speakers, a complete component speaker system, or bridging channels for increased output, this amplifier offers the flexibility needed for virtually any custom installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDS18 also equipped the G1800.4D with Power, Protection, and Clip Indicator LEDs to help monitor amplifier performance during operation. These indicators provide valuable feedback during system tuning and help reduce the risk of speaker damage caused by clipping.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEngineered using advanced surface-mount component technology and tested for excellent sound quality, the G1800.4D combines impressive performance with long-term durability. Built-in short circuit, thermal, and voltage protection work together to safeguard both the amplifier and the rest of your audio system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eWhat Does This Amplifier Power Best?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe G1800.4D is an excellent choice for customers looking to power:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Four speakers rated around \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e100–175 Watts RMS each\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Four DS18 PRO-X Series midrange speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Four high-performance coaxial speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Front and rear component speaker systems\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• High-output Jeep and truck speaker upgrades\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIts combination of clean RMS power and flexible crossover controls makes it an outstanding amplifier for customers who want loud, detailed audio without stepping up to multiple amplifiers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eFull-Range 4-Channel Class D Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1800 Watts Maximum Power\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4 × 150 Watts RMS @ 4 Ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4 × 230 Watts RMS @ 2 Ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 × 430 Watts RMS Bridged @ 4 Ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStable at 2 Ohms Stereo \/ 4 Ohms Bridged\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilt-In High-Pass \u0026amp; Low-Pass Crossovers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLPF \/ HPF \/ Full Range Selection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSurface Mount Component Technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower, Protection \u0026amp; Clip Indicator LEDs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShort Circuit Protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThermal Protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoltage Protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eActive Cooling Fan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact Matte Black Chassis\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e DS18\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e G1800.4D\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSKU:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e G1800.4D\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAmplifier Class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Digital (Class D)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAmplifier Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Full Range 4-Channel\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eChannels:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Power:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1800 Watts\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eRMS Power @ 4 Ohms:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4 × 150 Watts\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eRMS Power @ 2 Ohms:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4 × 230 Watts\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBridged RMS @ 4 Ohms:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2 × 430 Watts\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eMinimum Speaker Load:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2 Ohms Stereo \/ 4 Ohms Bridged\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eOperating Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 15V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFrequency Response:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20Hz – 20kHz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSignal-to-Noise Ratio:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u0026gt;90dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eTotal Harmonic Distortion:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.01%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eEfficiency @ 4 Ohms:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 81%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDamping Factor:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 78\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eInput Sensitivity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.25V – 6V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSelectable Crossover:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e LPF \/ FLAT \/ HPF\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Pass Filter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 50Hz – 250Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLow-Pass Filter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 50Hz – 250Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSubsonic Filter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBass Boost:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePhase Control:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Level Input:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLED Indicators:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Power \/ Protection \/ Clip\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eVoltage Protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eClipping Protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eThermal Protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCooling Fan:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePower Wire Input:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4 Gauge\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSpeaker Wire Output:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12 Gauge\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFuse Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 80A\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eRemote Bass Knob:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFinish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Matte Black\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDimensions (L × W × H):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12.25\" × 6.25\" × 3.25\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4 lbs\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e___________________________________________________________________________\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e(1) DS18 G1800.4D 4-Channel Class D Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation Hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOwner's Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe DS18 G1800.4D is designed for a wide range of aftermarket audio systems and is stable down to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2 Ohms stereo\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4 Ohms bridged\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. For best performance, we recommend using \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4 AWG OFC power and ground wire\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e along with a properly fused power connection installed as close to the battery as possible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe amplifier features adjustable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Pass\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLow-Pass\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFull Range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e crossover modes, allowing it to power everything from coaxial speakers and component systems to high-output pro audio midrange speakers. Proper gain adjustment is critical for maximizing sound quality while preventing clipping and speaker damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003ePro Audio Center Tip\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOne of the most common mistakes we see is customers choosing an amplifier based only on maximum power ratings. In reality, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRMS power is what determines how well an amplifier matches your speakers.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe G1800.4D's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e150 Watts RMS x 4\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e makes it an excellent match for many premium speakers in the 100–175 Watt RMS range, delivering clean power with plenty of headroom instead of constantly pushing the amplifier to its limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eBuild Your System\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eComplete your installation with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• DS18 PRO-X6.4M 6.5\" Pro Audio Midrange Speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• DS18 PRO-X8.4M 8\" Pro Audio Midrange Speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• DS18 NXL-6M Marine Speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• 4 Gauge OFC Amplifier Wiring Kit\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• High-Quality RCA Interconnects\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Speaker Wire\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Distribution Block\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• AGM Battery Upgrade (For Larger Systems)\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eExpert Recommendation from Pro Audio Center\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe G1800.4D has quickly become one of our favorite four-channel amplifiers because it delivers honest RMS power in a compact footprint that's easy to install in almost any vehicle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWe especially like pairing it with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDS18 PRO-X6.4M\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePRO-X8.4M\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e when building loud, high-output speaker systems. It also performs exceptionally well with premium coaxial speakers and component systems where clean, consistent power is more important than inflated peak power numbers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe efficient Class D design helps minimize heat while still providing the output needed to overcome road, wind, and engine noise. If you're looking for a reliable amplifier that offers flexibility for future upgrades, the G1800.4D is an outstanding choice.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Buy From Pro Audio Center?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAt Pro Audio Center, we believe buying an amplifier should be about more than simply comparing wattage numbers. We help customers choose equipment that works together as a complete system, ensuring better performance, improved reliability, and a more enjoyable listening experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen you purchase from Pro Audio Center, you're buying from a team with real-world experience designing and installing mobile electronics systems. Whether you're upgrading a daily driver, building a competition-inspired setup, or outfitting a Jeep, boat, or powersports vehicle, we're here to help you build your system with confidence.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch4\u003e\u003cspan\u003eIs the G1800.4D a full-range amplifier?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. The G1800.4D is a full-range Class D amplifier capable of powering coaxial speakers, component speakers, pro audio midrange speakers, and other full-range applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cspan\u003eHow much RMS power does this amplifier produce?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe G1800.4D delivers:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e150 Watts RMS x 4 @ 4 Ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e230 Watts RMS x 4 @ 2 Ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e430 Watts RMS x 2 Bridged @ 4 Ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cspan\u003eWhat speakers pair well with this amplifier?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis amplifier is an excellent choice for four premium 6.5-inch or 8-inch speakers in the 100–175 Watt RMS range. It's particularly well suited for high-output pro audio speakers, premium coaxial speakers, component speaker systems, and many marine speaker applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cspan\u003eCan this amplifier power subwoofers?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes, when bridged into two channels, the G1800.4D can power certain subwoofer applications. However, it is primarily designed as a full-range speaker amplifier. Dedicated monoblock amplifiers are generally recommended for larger subwoofer systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cspan\u003eDoes the amplifier have built-in crossovers?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. The G1800.4D includes selectable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Pass\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLow-Pass\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFull Range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e crossover settings, making it easy to configure for a variety of speaker applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cspan\u003eWhat size power wire should I use?\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor best performance, we recommend using a quality \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4 AWG OFC amplifier wiring kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with the appropriate fuse installed near the battery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":55703335338152,"sku":"G1800.4D","price":287.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/9508\/7016\/files\/G1800_4D-TOP-RIGHT_3000x_jpg.webp?v=1783381023","url":"https:\/\/proaudiocenter.com\/products\/ds18-g1800-4d-4-channel-class-d-full-range-amplifier","provider":"Pro Audio Center","version":"1.0","type":"link"}