{"product_id":"ds18-car-audio-4-ch-full-range-amplifier-8400-watt-class-d-g8400-4d-open-box","title":"DS18 Car Audio 4-Ch Full Range Amplifier 8400 Watt Class D G8400.4D OPEN BOX","description":"\u003cul\u003e\n\u003cli\u003eOPEN BOX: In perfect working condition Has been tested Has been mounted Small scratches in multiple spots (see pics #3-6) Box has been opened (see pic #2) Open-box items are not subject to returns. They are sold \"As Is\". All requests for returns will not be accepted.\u003c\/li\u003e\n\u003cli\u003eHIGH-OUTPUT 4 CHANNEL POWER: DS18 G8400.4D delivers up to 4 x 1000W RMS at 2 ohms and 2 x 1700W RMS bridged at 4 ohms for powerful full-range performance in demanding car audio systems.\u003c\/li\u003e\n\u003cli\u003eCOMPACT CLASS D DESIGN: Built with efficient Class D technology and a slim chassis, this amplifier fits more easily into tight install locations without sacrificing serious output.\u003c\/li\u003e\n\u003cli\u003eFULLY ADJUSTABLE CROSSOVERS: Variable high-pass, low-pass, and full filter settings let you fine-tune your system for cleaner mids, highs, and overall better sound control.\u003c\/li\u003e\n\u003cli\u003eBUILT-IN PROTECTION FEATURES: Thermal, overload, short circuit, DC output, voltage input, and clipping protection help keep your amplifier and connected equipment safer during aggressive use.\u003c\/li\u003e\n\u003cli\u003eLED STATUS INDICATORS: Power, protection, and clip LEDs give you quick visual feedback so you can monitor amplifier performance and avoid pushing your system too far.\u003c\/li\u003e\n\u003cli\u003eGREAT FOR CAR AUDIO OR PRO AUDIO: Designed for high-output speaker systems, the G8400.4D is a strong choice for loud daily builds, demo setups, and pro audio applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDS18 Car Audio 4-Ch Full Range Amplifier 8400 Watt Class D G8400.4D OPEN BOX\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eIn perfect working condition\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eHas been tested\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eHas been mounted\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSmall scratches in multiple spots (see pics #3-6)\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eBox has been opened (see pic #2)\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eOpen-box items are not subject to returns. They are sold \"As Is\". All requests for returns will not be accepted.\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) DS18 4 Channel Amplifier G8400.4D\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eThe DS18 GEN-X G8400.4D is built for serious systems that demand big power in a compact footprint. Designed for loud, high-output car audio and pro audio setups, this 4-channel Class D amplifier delivers strong multi-channel performance with the control you need to fine-tune your system. With up to 4 x 1000 watts RMS at 2 ohms and 2 x 1700 watts RMS bridged at 4 ohms, the G8400.4D is ready to drive mids, highs, or other full-range speakers with authority.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThe return of DS18’s GEN-X Series brings improved performance, flexible compact installation, and smart protection features to help keep your system playing hard. Fully adjustable high-pass, low-pass, and full filters let you dial in your setup for cleaner output, while power, protection, and clipping LEDs help you monitor performance in real time. Its stable digital circuit design and built-in protection systems make it a strong choice for daily drivers and aggressive demo builds alike.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eIf you need a powerful, compact 4-channel amplifier that can get loud and stay controlled, the DS18 G8400.4D is a serious contender for your next build.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e4-channel full-range Class D amplifier\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e8400 watts max power\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e4 x 700 watts RMS at 4 ohms\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e4 x 1000 watts RMS at 2 ohms\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003e2 x 1700 watts RMS bridged at 4 ohms\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFully adjustable HPF \/ LPF \/ Full crossover filters\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCompact chassis for easier installation\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSurface mount component technology\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eAudio precision quality control verification\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eStable and reliable digital circuit design\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePower, protection, and clipping LED indicators\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eHigh and low voltage protection\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eGreat for car audio and pro audio applications\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eTotal Watts (Peak): 8400 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power @ 4 OHM: 4 x 700 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power @ 2 OHM: 4 x 1000 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power @ 4 OHM Bridge: 2 x 1700 Watts\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFrequency Response: 20Hz - 20KHz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSignal To Noise Ratio: \u0026gt;90dB\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eEfficiency @ 4 OHM: 80%\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDamping Factor: 78\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eInput Impedance: 22 K\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eChannel Separation: 70dB\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eTotal Harmonic Distortion (THD): 0.01%\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLow Level Input Range: 0.25 - 6V\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eHigh Level Input: No\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eSelectable X-over: LPF\/FLAT\/HPF\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eX-over Filter Range: 50Hz - 250Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eAmplifier Class: Digital (D)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eAmplifier Type: 4CH Full Range\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eNumber Of Channels: 4\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eMinimum Impedance: 2 Ohm \/ 4 Ohm Bridged\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLed Indicator: Power \/ Protection \/ Clip\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFuse Size: External 240A\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRemote Level Control: N\/A\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eThermal Protection: Yes\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOver-Load Protection: Yes\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eDc Output Protection: Yes\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eShort Circuit Output Protection: Yes\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eVoltage Input Protection: Yes\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eClipping Protection: Yes\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBody Color | Finish: Matte Black\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Length: 14.37 (365mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Width: 4.72 (120mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eOverall Height: 1.96 (50mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eHeatsink Length: 12.51 (318mm)\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eUnit Weight: 5.73 lbs (2.6 kg)\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":48174535180536,"sku":"DS-G8400.4D-OPEN-7405","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/3dbd12a8fcf16a65e1eb08281d8b866b302100336fe0ad4cd0649d08b29e86c8.jpg?v=1774982513","url":"https:\/\/bigjeffaudio.com\/products\/ds18-car-audio-4-ch-full-range-amplifier-8400-watt-class-d-g8400-4d-open-box","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}