{"product_id":"crunch-px-3000-1d-monoblock-car-amp-3000w-power-1-ohm-stable-bass-boost","title":"Crunch PX-3000.1D 3000W Monoblock Class-D Car Amplifier - High Power","description":"\u003cp\u003eIn this review of the Crunch PX-3000.1D the bottom line is straightforward: this monoblock amplifier is for drivers who want aggressive, controllable bass without excessive heat or power waste. Built with \u003cstrong\u003eClass-D technology\u003c\/strong\u003e and rated up to 3000W max at 1 Ohm, the PX-3000.1D delivers a lot of low-end impact while keeping size and thermal load manageable, making it a practical choice for single-subwoofer builds that demand deep, tunable output.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh power output:\u003c\/strong\u003e Up to 3000W max at 1 Ohm provides the headroom needed for strong, punchy bass that moves large subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Class-D design:\u003c\/strong\u003e Class-D circuitry maximizes power delivery while reducing heat and overall current draw compared with older amplifier classes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable crossover and boost:\u003c\/strong\u003e A variable low-pass filter (30Hz - 250Hz) and a 45Hz bass boost up to +12dB let installers dial in the bass response for different sub designs and tunes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective subsonic filter:\u003c\/strong\u003e The 20Hz - 50Hz subsonic filter eliminates ultra-low frequencies that can cause mechanical damage to subwoofers during heavy use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired bass remote included:\u003c\/strong\u003e The included remote makes it simple to adjust bass level from the driver's seat without accessing the amp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable input sensitivity:\u003c\/strong\u003e Dual sensitivity ranges (0.2V-4V \/ 4V-8V) improve compatibility with a variety of head units and signal processors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Crunch PX-3000.1D is aimed at car audio enthusiasts and installers who need a compact, high-power monoblock to drive one or two large subwoofers and want precise control over crossover and bass boost. It's a good fit for vehicles with limited amplifier rack space where efficient heat management matters.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include casual listeners who never push bass hard enough to require high wattage, or buyers who need a multi-channel amplifier for speakers as well as subs; this is a dedicated mono design focused on subwoofer performance rather than full-range system driving.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVery high maximum power at 1 Ohm for serious low-frequency output.\u003c\/li\u003e\n\u003cli\u003eEfficient Class-D operation keeps heat and battery draw comparatively low.\u003c\/li\u003e\n\u003cli\u003eComprehensive tuning features including variable low-pass, bass boost and subsonic filter.\u003c\/li\u003e\n\u003cli\u003eWired bass remote and selectable input sensitivity add installation flexibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAs a mono amplifier, it is specialized for subwoofers and not suitable as a multi-channel solution.\u003c\/li\u003e\n\u003cli\u003eThe description is missing full RMS power claims, so installers should verify RMS expectations for sustained use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePX-3000.1D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass\u003c\/td\u003e\n\u003ctd\u003eClass-D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Power\u003c\/td\u003e\n\u003ctd\u003e3000W at 1 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-pass Filter\u003c\/td\u003e\n\u003ctd\u003eVariable 30Hz - 250Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass Boost\u003c\/td\u003e\n\u003ctd\u003e45Hz up to +12dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubsonic Filter\u003c\/td\u003e\n\u003ctd\u003e20Hz - 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd\u003eSelectable 0.2V-4V \/ 4V-8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Crunch PX-3000.1D is a strong-value mono amplifier for anyone building a powered subwoofer system who needs high peak output, efficient operation and flexible tuning options. Its Class-D efficiency and included bass remote make it practical for tight installs, and the crossover, boost and subsonic controls give enough precision for most serious subwoofer setups.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the amp include a remote bass control?\u003c\/strong\u003e\u003cbr\u003eYes, a wired bass remote is included for adjusting bass level from the cabin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the amp stable at 1 Ohm?\u003c\/strong\u003e\u003cbr\u003eYes, it is specified as 1-Ohm stable and rated up to 3000W max at that load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the amp protect subwoofers from ultra-low frequencies?\u003c\/strong\u003e\u003cbr\u003eYes, a selectable subsonic filter from 20Hz to 50Hz is included to prevent damaging very low frequencies.\u003c\/p\u003e","brand":"Crunch","offers":[{"title":"Default Title","offer_id":46781697556699,"sku":"B0DYFD5JWV","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/618n_w1MQUL._SL1500.jpg?v=1747477325","url":"https:\/\/gearmusthave.com\/products\/crunch-px-3000-1d-monoblock-car-amp-3000w-power-1-ohm-stable-bass-boost","provider":"GearMustHave","version":"1.0","type":"link"}