{"product_id":"boss-audio-r2504-riot-series-4-channel-car-amplifier-full-range","title":"BOSS Audio R2504 Riot Series 4-Channel Car Amplifier - Full Range","description":"\u003cp\u003eIn this review the BOSS Audio R2504 Riot Series amplifier is assessed for buyers looking to add reliable power and basic tuning to a car system without a high price. Its single biggest selling point is straightforward power flexibility: it can deliver up to 250 watts max per channel at 2 ohms and be bridged for up to 500 watts to drive a sub or high-power speakers. The R2504 is best for first-time installers and budget builds who want a Class A\/B, full range amp with simple controls and a remote subwoofer level option.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower flexibility:\u003c\/strong\u003e 250 watts max x4 at 2 ohms and 500 watts bridged gives room to power both speakers and a bridged subwoofer in the same package.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass A\/B topology:\u003c\/strong\u003e combines current capacity and efficiency to reproduce a wide range of music dynamics for improved real-world listening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull range operation:\u003c\/strong\u003e allows the amp to run door speakers or subwoofers, so it can serve as a simple all-in-one upgrade for a small system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable tuning:\u003c\/strong\u003e variable gain, bass boost and high\/low pass crossovers let installers tailor the amp to speaker sensitivity and source output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote sub control:\u003c\/strong\u003e included remote control for subwoofer level makes on-the-fly bass adjustment convenient from the cabin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e at roughly 10.72 x 10.44 x 2.25 in it fits in tight spaces under seats or behind panels.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe R2504 is aimed at budget-conscious car owners upgrading factory sound for better punch and flexibility; it is especially suitable for first-time installers who want clear channel options and bridgeability without complicated digital menus. Enthusiasts who want a compact, full range Class A\/B amp with remote sub control will appreciate the straightforward controls and modest size.\u003c\/p\u003e\u003cp\u003eThose seeking reference-level clarity, ultra-low noise floors, or guaranteed heavy-duty longevity should look at higher-end models instead; some users report intermittent noise and durability concerns, so systems where absolute reliability or studio-grade silence is required may need a more robust amplifier.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood value for money with flexible channel wiring and bridge mode for added power.\u003c\/li\u003e\n\u003cli\u003eUseful set of analog controls including variable gain, bass boost and high\/low pass crossovers.\u003c\/li\u003e\n\u003cli\u003eCompact dimensions make installation in constrained spaces easier.\u003c\/li\u003e\n\u003cli\u003eRemote subwoofer level control adds convenience for cabin tuning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSound quality reports are mixed and some buyers experience audible noise or whining in certain systems.\u003c\/li\u003e\n\u003cli\u003eThere are occasional durability and channel reliability complaints, so professional installation and careful wiring are advisable.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e250W x4 max @2 Ohm, 125W x4 max @4 Ohm, 500W x2 bridged @4 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eClass A\/B\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\u003eTHD @ RMS\u003c\/td\u003e\n\u003ctd\u003e0.01%\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\u003eSpeaker Impedance\u003c\/td\u003e\n\u003ctd\u003e2 to 8 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe BOSS Audio R2504 is a practical, budget-friendly four-channel Class A\/B amplifier that delivers flexible wiring and usable power for casual listeners and first-time installers. It offers solid tuning options and a compact size that make it a sensible upgrade for factory systems, but buyers who need pristine noise performance or rock-solid long-term durability should consider stepping up to a higher-tier amp.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this amp run speakers and a sub at the same time?\u003c\/strong\u003e\u003cbr\u003eYes. It is a full range 4-channel amp with crossovers and a bridged mode to dedicate channels to a subwoofer while powering speakers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the amplifier difficult to install?\u003c\/strong\u003e\u003cbr\u003eInstallation is straightforward for someone with basic car audio experience, and professional installation is recommended to avoid wiring noise and ensure reliable grounding.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it include protection fuses?\u003c\/strong\u003e\u003cbr\u003eYes. The unit uses two 25 amp ATO blade fuses as part of its protection scheme.\u003c\/p\u003e","brand":"BOSS Audio Systems","offers":[{"title":"Default Title","offer_id":48260382261467,"sku":"B004S52OL6","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91xRcp5CyVL._AC_SL1500.jpg?v=1778312815","url":"https:\/\/gearmusthave.com\/products\/boss-audio-r2504-riot-series-4-channel-car-amplifier-full-range","provider":"GearMustHave","version":"1.0","type":"link"}