{"product_id":"ds18-g4000-5d","title":"DS18 G4000.5D 5-Channel Amplifier – 4000W Max","description":"\u003ch2\u003eUnleash Full-System Power with the DS18 G4000.5D\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDS18 G4000.5D\u003c\/strong\u003e is a high-output 5-channel Class D amplifier engineered for audiophiles who demand clean, powerful sound across every speaker in their vehicle. Whether you're running a full front\/rear stage or pairing a subwoofer to a dedicated mono channel, the G4000.5D delivers the headroom and clarity to make every drive an experience.\u003c\/p\u003e\n\u003ch3\u003eWhy the G4000.5D?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Channel Versatility:\u003c\/strong\u003e Power your full speaker system — front, rear, and sub — from a single, compact amplifier. No need for multiple amps fighting for space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Efficiency:\u003c\/strong\u003e Runs cool and draws less current than traditional Class AB designs, protecting your electrical system while maximizing output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000W Max Power:\u003c\/strong\u003e Massive headroom ensures your system stays clean and distortion-free even at high volumes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Crossovers:\u003c\/strong\u003e High-pass and low-pass filters let you dial in each channel precisely — no external crossover needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Bass Boost:\u003c\/strong\u003e Tune your sub channel for the exact punch and depth your build demands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Chassis:\u003c\/strong\u003e Sleek, low-profile design fits under seats or in tight trunk builds without sacrificing power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChannels: 5 (4 full range + 1 mono sub)\u003c\/li\u003e\n\u003cli\u003eMax Power: 4000W\u003c\/li\u003e\n\u003cli\u003eClass: D\u003c\/li\u003e\n\u003cli\u003eImpedance: 2Ω \/ 4Ω stable\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 20Hz – 20kHz\u003c\/li\u003e\n\u003cli\u003eSignal-to-Noise Ratio: \u0026gt;90dB\u003c\/li\u003e\n\u003cli\u003eBuilt-In Crossover: HPF \/ LPF \/ Full Range\u003c\/li\u003e\n\u003cli\u003eBass Boost: 0–12dB @ 45Hz\u003c\/li\u003e\n\u003cli\u003eInput Sensitivity: 200mV – 4V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDS18 G4000.5D 5-Channel Amplifier\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003cli\u003eRemote bass knob\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eProfessional installation recommended. Ask us about our installation services.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/TwY7lzd2CJA\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":43630624342129,"sku":"DS18-G4000-5D","price":395.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0684\/4884\/5937\/files\/Screenshot_10-7-2026_133511_ds18.com.jpg?v=1783708664","url":"https:\/\/12volttoys.com\/products\/ds18-g4000-5d","provider":"Best Auto Sound \u0026 Security","version":"1.0","type":"link"}