{"product_id":"moco-af-4-120-class-d-4-channel-amplifier-for-cars","title":"Moco AF 4.120 Class D 4 Channel Amplifier 120W\/ Channel","description":"\u003cp\u003eUpgrade your car audio system with the \u003cstrong\u003eMOCO AF-04.120 4-Channel MOSFET Class-D High Power Amplifier\u003c\/strong\u003e, designed for enthusiasts who want stronger output, improved control and a more dynamic listening experience. Built around a high-efficiency MOSFET power supply and digital Class-D amplifier topology, the AF-04.120 provides powerful amplification in a versatile 4-channel configuration.\u003c\/p\u003e\n\n\u003cp\u003eWith up to \u003cstrong\u003e120W RMS × 4 at 4Ω\u003c\/strong\u003e, the amplifier can deliver substantial power to a complete speaker setup. Its flexible output configuration also supports \u003cstrong\u003e200W RMS × 2 at 2Ω\u003c\/strong\u003e and up to \u003cstrong\u003e450W × 2 bridged at 4Ω\u003c\/strong\u003e, making it suitable for different car-audio configurations where additional power is required.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Channel Class-D Amplifier:\u003c\/strong\u003e Digital Class-D topology provides an efficient solution for upgrading your vehicle's audio system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Power MOSFET Design:\u003c\/strong\u003e High-efficiency MOSFET power supply and output technology for strong and reliable amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120W RMS × 4 at 4Ω:\u003c\/strong\u003e Delivers powerful output for compatible speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200W RMS × 2 at 2Ω:\u003c\/strong\u003e Provides additional flexibility for compatible lower-impedance speaker configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e450W × 2 Bridged at 4Ω:\u003c\/strong\u003e High bridged output for compatible high-power applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Bass Boost:\u003c\/strong\u003e Variable Bass Boost from 0 dB to +12 dB for additional low-frequency impact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low Pass Filter:\u003c\/strong\u003e LPF adjustment from 50 Hz to 250 Hz allows control over the bass frequencies passed to compatible connected components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Gain Range:\u003c\/strong\u003e Gain adjustment from 0.2V to 8V helps match the amplifier with different source and system configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Signal-to-Noise Ratio:\u003c\/strong\u003e S\/N ratio greater than 90 dB helps maintain a clean audio signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Car Audio Upgrade:\u003c\/strong\u003e A versatile amplifier solution for systems requiring additional power and tuning control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eMOCO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003eAF-04.120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eAmplifier Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e4-Channel MOSFET Class-D High Power Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e4-Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eRMS Power Output @ 4Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e120W × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eRMS Power Output @ 2Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e200W × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eBridged Power Output @ 4Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e450W × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e120 Hz – 3,000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eSignal-to-Noise Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u0026gt; 90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eGain Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e0.2V – 8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eInput Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e160 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eBass Boost\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e0 dB to +12 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eLow Pass Filter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e50 Hz – 250 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 10px;\"\u003e11V – 15V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePowerful 4-Channel Performance\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMOCO AF-04.120\u003c\/strong\u003e is designed for car audio systems that need more amplification than a standard head unit can provide. Its 4-channel architecture allows multiple compatible speakers to be powered from a single amplifier while providing useful configuration flexibility.\u003c\/p\u003e\n\n\u003cp\u003eAt \u003cstrong\u003e4Ω, the amplifier delivers 120W RMS × 4\u003c\/strong\u003e, providing substantial power for compatible speaker systems. For compatible 2Ω configurations, it can deliver \u003cstrong\u003e200W RMS × 2\u003c\/strong\u003e. The amplifier can also be bridged for higher-power applications, with up to \u003cstrong\u003e450W × 2 at 4Ω\u003c\/strong\u003e as specified.\u003c\/p\u003e\n\n\u003ch2\u003eAdjustable Bass Boost and LPF Control\u003c\/h2\u003e\n\u003cp\u003eThe built-in \u003cstrong\u003eBass Boost control ranges from 0 dB to +12 dB\u003c\/strong\u003e, allowing the user to add low-frequency emphasis according to the overall sound-system configuration and listening preference.\u003c\/p\u003e\n\n\u003cp\u003eThe variable \u003cstrong\u003eLow Pass Filter can be adjusted from 50 Hz to 250 Hz\u003c\/strong\u003e. This provides frequency-control flexibility when configuring the amplifier with compatible speakers or other components in a car audio system.\u003c\/p\u003e\n\n\u003ch2\u003eHigh-Efficiency MOSFET Class-D Design\u003c\/h2\u003e\n\u003cp\u003eThe MOCO AF-04.120 combines a \u003cstrong\u003eMOSFET power supply\u003c\/strong\u003e with digital \u003cstrong\u003eClass-D amplifier topology\u003c\/strong\u003e to provide an efficient high-power amplification solution. This makes it well suited to custom car audio installations where additional output and system flexibility are important.\u003c\/p\u003e\n\n\u003ch2\u003eFlexible Car Audio System Integration\u003c\/h2\u003e\n\u003cp\u003eWith its 4-channel design, multiple power configurations and adjustable gain and filtering controls, the AF-04.120 can be incorporated into a variety of compatible car audio systems. Its high-power bridged configuration also provides flexibility for installations requiring higher output from selected amplifier channels.\u003c\/p\u003e\n\n\u003cp\u003eFor the best performance, the amplifier should be installed with speakers, subwoofers and other components that are electrically compatible with the amplifier's specified power and impedance requirements. Professional installation is recommended for correct power, signal and speaker connections.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy MOCO AF-04.120?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-power \u003cstrong\u003e4-channel MOSFET Class-D\u003c\/strong\u003e car amplifier.\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e120W RMS × 4 at 4Ω\u003c\/strong\u003e output.\u003c\/li\u003e\n\u003cli\u003eSupports \u003cstrong\u003e200W RMS × 2 at 2Ω\u003c\/strong\u003e configuration.\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e450W × 2 bridged at 4Ω\u003c\/strong\u003e as specified.\u003c\/li\u003e\n\u003cli\u003eAdjustable \u003cstrong\u003e0 dB to +12 dB Bass Boost\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eVariable \u003cstrong\u003e50 Hz–250 Hz LPF\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eWide \u003cstrong\u003e0.2V–8V gain range\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u0026gt;90 dB signal-to-noise ratio\u003c\/strong\u003e for a cleaner audio signal.\u003c\/li\u003e\n\u003cli\u003eDesigned for powerful and flexible car audio system upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\n\u003cp\u003eThe MOCO AF-04.120 should be installed according to the amplifier's specified electrical, speaker impedance and power requirements. Correct gain and filter adjustment is important for achieving balanced system performance and protecting connected components.\u003c\/p\u003e\n\n\u003cp\u003eBecause car audio installations can vary depending on the head unit, speakers, subwoofers and wiring configuration, professional installation is recommended, particularly when using bridged channels or integrating the amplifier into a multi-amplifier system.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the MOCO AF-04.120 amplifier used for?\u003c\/summary\u003e\n\u003cp\u003eThe MOCO AF-04.120 is a 4-channel car amplifier designed to provide additional power to compatible car speakers and subwoofer configurations. It can deliver up to 120W RMS × 4 at 4Ω and supports higher-power bridged configurations as specified.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow much power does the MOCO AF-04.120 produce?\u003c\/summary\u003e\n\u003cp\u003eThe amplifier delivers 120W RMS × 4 at 4Ω, 200W RMS × 2 at 2Ω, and up to 450W × 2 bridged at 4Ω according to the specified output configurations.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes the MOCO AF-04.120 have Bass Boost and LPF controls?\u003c\/summary\u003e\n\u003cp\u003eYes. The amplifier features adjustable Bass Boost from 0 dB to +12 dB and a variable Low Pass Filter from 50 Hz to 250 Hz, allowing the audio system to be tuned according to the connected components.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"MOCO","offers":[{"title":"Default Title","offer_id":48934922780926,"sku":null,"price":9399.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/7974\/6558\/files\/photo-output_0b479897-26fe-48f4-8918-ced592d3ccad.jpg?v=1789070768","url":"https:\/\/www.sahibacar.in\/products\/moco-af-4-120-class-d-4-channel-amplifier-for-cars","provider":"Sahiba Car","version":"1.0","type":"link"}