{"product_id":"precision-power-a400-4d-400w-rms-atom-series-class-d-4-channel-car-amplifier","title":"Precision Power A400.4D 400W RMS ATOM Series Class-D 4-Channel Car Amplifier","description":"\u003cp\u003eATOM amplifiers adopt the most exemplary Korean Class-D performance, reliability, and footprint of the original ATOM and iOn platforms. At first glance, you’ll notice several key improvements. ATOM’s signal inputs, power\/ground, and speaker connections are relocated to the chassis’s leading edge for an easier, more appealing install. All pre-amp crossover options are conveniently located on the backside. You might not notice additions to the circuit board, including improved power supply output stage components Monoblock bridging capability. The installation of ATOM amplifiers is unique, using mounting pedestals at each corner. The pedestals elevate the heatsink, improving airflow around and underneath the chassis. Additionally, rubber grommets under and inside each pedestal electrically isolate the amplifier chassis from the vehicle chassis, reducing the potential for ground loop noise.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClass D 2 ohms Stable 4-Channel Amplifier\u003c\/li\u003e\n\u003cli\u003eRMS Power Rating:\n\u003cul\u003e\n\u003cli\u003e4 ohms: 60 watts x 4 channel\u003c\/li\u003e\n\u003cli\u003e2 ohms: 100 watts x 4 channel\u003c\/li\u003e\n\u003cli\u003eBridged, 4 ohms: 200 watts x 2 channel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Power Output: 400 Watts\u003c\/li\u003e\n\u003cli\u003eMOSFET Power Supply w\/ audiophile grade IR™ transistors\u003c\/li\u003e\n\u003cli\u003eLED Power\/Protect light\u003c\/li\u003e\n\u003cli\u003eMilitary Grade SMT PCB\u003c\/li\u003e\n\u003cli\u003eVolume, low ESR capacitance banks\u003c\/li\u003e\n\u003cli\u003eIndividually regulated preamp\/crossover power supply\u003c\/li\u003e\n\u003cli\u003eEliminate residual Power-Up\/Power-Down pops\u003c\/li\u003e\n\u003cli\u003eHybrid Aluminum Alloy heatsink\u003c\/li\u003e\n\u003cli\u003e3-way protection circuitry (thermal, overload, and speaker short protection)\u003c\/li\u003e\n\u003cli\u003eInput sensitivity:\n\u003cul\u003e\n\u003cli\u003eLow level: 200mV - 6 volts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Harmonic Distortion (THD): 0.05%\u003c\/li\u003e\n\u003cli\u003eVariable Bass Boost: 0 - 12 dB\u003c\/li\u003e\n\u003cli\u003eDimensions: 6\" \u003cb\u003eW\u003c\/b\u003e x 6\" \u003cb\u003eL\u003c\/b\u003e x 2.25\" \u003cb\u003eH\u003c\/b\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries: Atom Series\u003c\/li\u003e\n\u003cli\u003eAmplifier Class: D\u003c\/li\u003e\n\u003cli\u003eNumber of Channels: 4-Channel\u003c\/li\u003e\n\u003cli\u003eTotal RMS Power Output: 400 watts\u003c\/li\u003e\n\u003cli\u003eMaximum Input Gauge Size: 8 AWG\u003c\/li\u003e\n\u003cli\u003eMinimum Impedance Unbridged: 2 ohms\u003c\/li\u003e\n\u003cli\u003eMinimum Impedance Bridged: 4 ohms\u003c\/li\u003e\n\u003cli\u003eTHD at Rated RMS Power: 0.05%\u003c\/li\u003e\n\u003cli\u003eSpeaker Level Inputs: Yes\u003c\/li\u003e\n\u003cli\u003ePreamp Outputs: No\u003c\/li\u003e\n\u003cli\u003eBuilt-in Crossover: Low-Pass (LP), High-Pass (HP), Subsonic\u003c\/li\u003e\n\u003cli\u003eHigh-Pass Crossover Frequency: 50 - 500 Hz\u003c\/li\u003e\n\u003cli\u003eLow-Pass Crossover Frequency: 50 - 500 Hz\u003c\/li\u003e\n\u003cli\u003eBass Boost: 0 - 12 dB\u003c\/li\u003e\n\u003cli\u003eRemote bass\/level controller: No\u003c\/li\u003e\n\u003cli\u003eStrappable: No\u003c\/li\u003e\n\u003cli\u003eHi-Res Certified: No\u003c\/li\u003e\n\u003cli\u003eLow-Level Input Sensitivity: 200mV - 6 volts\u003c\/li\u003e\n\u003cli\u003eRMS Power @ 4 ohms: 60 watts x 4 channel\u003c\/li\u003e\n\u003cli\u003eRMS Power @ 2 ohms: 100 watts x 4 channel\u003c\/li\u003e\n\u003cli\u003eBridged RMS Power: 200 watts x 2 channel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Precision Power","offers":[{"title":"Default Title","offer_id":47260073296060,"sku":"A400.4D","price":112.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/0741\/6508\/files\/A400.4D.jpg?v=1786442254","url":"https:\/\/11thstreetelectronic.com\/products\/precision-power-a400-4d-400w-rms-atom-series-class-d-4-channel-car-amplifier","provider":"11TH STREET ELECTRONIC INC","version":"1.0","type":"link"}