{"product_id":"boss-audio-r4002-riot-series-2-channel-amplifier-800w-peak","title":"BOSS Audio R4002 Riot Series 2-Channel Amplifier - 800W Peak","description":"\u003cp\u003eIn this review of the BOSS Audio R4002 Riot Series amplifier the bottom line is simple: this is an affordable, full range Class A\/B amp aimed at first-time car audio upgraders who want clear extra power without a complex install. The R4002 delivers up to 800 watts bridged and offers both low and high level inputs plus a MOSFET power supply, so it can drive door speakers or a small subwoofer while keeping a compact footprint. It is best chosen for shoppers prioritizing value and basic flexibility rather than audiophile perfection.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e800W bridged output:\u003c\/strong\u003e Allows a single bridged channel at 800 watts max to push a subwoofer or a demanding speaker for louder, fuller bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-channel full range:\u003c\/strong\u003e Lets buyers run speakers and subs from the same amp, offering flexibility for simple system builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET power supply:\u003c\/strong\u003e Provides stable voltage and current control for cleaner power delivery and improved reliability over basic supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow and high level inputs:\u003c\/strong\u003e Accepts RCA preamp signals or speaker-level connections so it integrates with both aftermarket and factory receivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable crossovers and gain:\u003c\/strong\u003e Includes fixed high pass, variable low pass and gain control so installers can tune bass and speaker output to site conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact size:\u003c\/strong\u003e At roughly 10.72 x 10.44 x 2.25 in it fits behind seats or under panels where space is tight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe R4002 is ideal for first-time car audio buyers or anyone adding bass or upgraded door speakers on a modest budget; it gives clear incremental power and useful controls without elaborate setup. Installers who need a compact, bridgeable amp with both RCA and speaker-level inputs will appreciate the flexibility for mixed-signal systems.\u003c\/p\u003e\n\u003cp\u003eThose seeking pristine, studio-grade sound or extreme long-term durability may want to look at higher-end class D or premium class A\/B models, since some users report mixed sound quality and occasional noise issues under specific installs. For casual listeners and budget builds, this amp is a practical choice.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood value for money with useful features like MOSFET supply and bridgeable output.\u003c\/li\u003e\n\u003cli\u003eFlexible inputs and crossover options make it easy to integrate with most head units.\u003c\/li\u003e\n\u003cli\u003eCompact dimensions and a single 40A fuse simplify installation in tight spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report mixed sound quality and occasional noise or channel issues, so long-term durability may vary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower (2 Ohm)\u003c\/td\u003e\n\u003ctd\u003e400 Watt max x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower (4 Ohm)\u003c\/td\u003e\n\u003ctd\u003e200 Watt max x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBridged Power\u003c\/td\u003e\n\u003ctd\u003e800 Watt max x 1 @ 4 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e9 Hz to 50 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal to Noise Ratio\u003c\/td\u003e\n\u003ctd\u003e102 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10.72 x 10.44 x 2.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse\u003c\/td\u003e\n\u003ctd\u003e1 x 40 Amp ATO blade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe BOSS Audio R4002 Riot Series is a practical, budget-friendly amplifier for people who want added power and flexible inputs without a complex system overhaul. It offers strong bridged output and useful tuning controls, making it a good value for casual listeners and first-time installers who accept occasional compromises in refined sound or long-term robustness.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this amp run both speakers and a subwoofer?\u003c\/strong\u003e\u003cbr\u003eYes. It is a full range 2-channel amp with crossover controls and can run door speakers or bridge to power a subwoofer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it accept factory head unit connections?\u003c\/strong\u003e\u003cbr\u003eYes. The amp includes both low level RCA inputs and high level speaker inputs for factory or aftermarket head units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs professional installation recommended?\u003c\/strong\u003e\u003cbr\u003eYes. The manufacturer recommends professional installation to ensure proper wiring, grounding and optimal function.\u003c\/p\u003e","brand":"BOSS Audio Systems","offers":[{"title":"Default Title","offer_id":48634194100443,"sku":"B004S50ZNA","price":90.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91arWIXGJWL._AC_SL1500.jpg?v=1778525388","url":"https:\/\/gearmusthave.com\/products\/boss-audio-r4002-riot-series-2-channel-amplifier-800w-peak","provider":"GearMustHave","version":"1.0","type":"link"}