{"product_id":"rockford-fosgate-punch-pbr300x1-300-watt-monoblock-amplifier","title":"Rockford Fosgate Punch PBR300X1 300 Watt Monoblock Amplifier","description":"\u003cdiv\u003e\n\u003cp\u003eThe Rockford Fosgate Punch PBR300X1 is a 300-watt, mono amplifier designed for compact subwoofer setups where space is at a premium. Built around Boosted Rail Technology (BRT), it delivers full power without a traditional switching power supply and includes a variable hi-level DC offset turn-on for easy OEM integration; see our Element Ready™ amplifiers designed specifically for Motorsports and Motorcycle applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eUltra compact chassis\u003c\/b\u003e: A small footprint that fits tight spaces, enabling discreet subwoofer installations without sacrificing power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e1-channel mono design\u003c\/b\u003e: Dedicated bass amplifier for a single subwoofer, simplifying wiring and enclosure time while maximizing woofer control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTotal power 300 Watts\u003c\/b\u003e: 300W total (RMS) with 75W x 1 @ 4Ω, 150W x 1 @ 2Ω, and 300W x 1 @ 1Ω, giving you scalable power as your system impedance changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDynamic power 326 Watts @ 1Ω\u003c\/b\u003e: Increased headroom under musical transients for more impactful bass when the woofer demands extra juice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBoosted Rail Technology (BRT)\u003c\/b\u003e: Ultra-efficient design that generates 300W without a switching power supply, improving efficiency in compact installs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e12 dB\/oct Butterworth crossover\u003c\/b\u003e: A gentle low-pass filtering slope that helps keep sub frequencies focused and reduces unwanted high-frequency content.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVariable hi-level DC offset turn-on\u003c\/b\u003e: Easy integration into OEM systems by aligning the amplifier’s turn-on behavior with the vehicle’s electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh\/Low level inputs with switch\u003c\/b\u003e: Flexible input options to accommodate both line-level and high-level speaker inputs for easier OEM integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRemote control \/ PEQ option\u003c\/b\u003e: Optional Punch EQ provides 0 dB to +18 dB boost at 45 Hz for bass shaping when used with compatible controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCTA-2006 Compliant; 75% efficiency\u003c\/b\u003e: Proven, standards-based design with solid efficiency across load conditions for cooler operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFrequency response 20 Hz – 250 Hz\u003c\/b\u003e: Subwoofer-focused bandwidth suitable for deep bass while keeping phase and alignment manageable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTHD+N \u0026lt; 1.0% at 4Ω and 2Ω\u003c\/b\u003e: Low distortion across common operating impedances to preserve bass clarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow-pass 35 Hz – 250 Hz @ 12 dB\/Oct Butterworth\u003c\/b\u003e: Fine-tuned to constrain the woofer’s output to the intended bass range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower input and wiring\u003c\/b\u003e: 10 AWG power wire, detachable compression terminal; 16 AWG speaker wire; 4-Pin harness for inputs and outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConvection cooling heatsink\u003c\/b\u003e: Passive cooling design to minimize noise and reliance on fans in typical automotive environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating voltage 9–16 VDC; fuse 30 A (not included)\u003c\/b\u003e: Wide automotive voltage tolerance with a recommended fuse for protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions and weight\u003c\/b\u003e: 1.53\" H x 4.25\" W x 6.75\" D (3.90 x 10.8 x 17.2 cm); shipping weight 2.76 lb (1.25 kg).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWiring terminals\u003c\/b\u003e: 2 negative and 2 positive terminals for flexible power and ground routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBenefits: The PBR300X1 is ideal for compact, OEM-integrated subwoofer builds where space is limited but bass discipline is non-negotiable. Its BRT efficiency and 1Ω capability provide solid bass headroom in tight enclosures, while the flexible high\/low-level inputs and DC offset turn-on simplify integration with modern factory radios. Not bridgeable, it’s designed for a single sub with straightforward wiring and reliable operation in typical 9–16 V vehicle electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Rockford Fosgate","offers":[{"title":"Default Title","offer_id":49850251968740,"sku":null,"price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/pbr300x1_1-575x0.webp?v=1789261933","url":"https:\/\/www.12voltoutlet.com\/products\/rockford-fosgate-punch-pbr300x1-300-watt-monoblock-amplifier","provider":"12 Volt Outlet","version":"1.0","type":"link"}