{"product_id":"15-1543-ultra-subwoofer","title":"15\" 1543 Ultra Subwoofer","description":"\u003cp\u003eBuild your next custom bass setup around the TrueBass TBS 1543 DV Ultra 15-inch subwoofer. With dual 4-ohm voice coils and power handling of 650 watts RMS \/ 1,450 watts peak, this standalone ULTRA-series driver gives you a defined starting point for planning your enclosure, amplifier and wiring.\u003c\/p\u003e\u003cp\u003ePicture your favorite tracks with a dedicated 15-inch woofer handling the low end. Whether you are replacing a driver or starting fresh, build your setup around your vehicle's available space and compatible amplification. Sold individually without an enclosure.\u003c\/p\u003e\u003ch3\u003eDriver Size \u0026amp; Model\u003c\/h3\u003e\u003cp\u003eNominal 15-inch subwoofer. TrueBass ULTRA series, TBS 1543 DV Ultra.\u003c\/p\u003e\u003ch3\u003eVoice-Coil Inside Diameter\u003c\/h3\u003e\u003cp\u003e3 inches per woofer.\u003c\/p\u003e\u003ch3\u003eImpedance\u003c\/h3\u003e\u003cp\u003eDual voice coils: 4 ohms per coil (4 \/ 4 ohms). Final wired impedance depends on your wiring configuration. Match it to your amplifier's supported load.\u003c\/p\u003e\u003ch3\u003ePower Handling (RMS \/ Peak)\u003c\/h3\u003e\u003cp\u003e650 watts RMS \/ 1,450 watts peak per subwoofer. Use the RMS rating when planning compatible amplification; peak handling is not a continuous-power rating.\u003c\/p\u003e\u003ch3\u003eDriver Parameters\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree-air resonance frequency (Fs): 30 Hz.\u003c\/li\u003e\n\u003cli\u003eQt: 0.42.\u003c\/li\u003e\n\u003cli\u003eQes: 0.49.\u003c\/li\u003e\n\u003cli\u003eQms: 3.11.\u003c\/li\u003e\n\u003cli\u003eVas: 3.58 cu. ft. This is a driver parameter, not a recommended enclosure volume.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWoofer \u0026amp; Magnet Weight\u003c\/h3\u003e\u003cp\u003eTotal woofer weight: 22 lbs, including the magnet. Magnet weight: 180 oz per woofer (one 180 oz magnet). The magnet is included in the total woofer weight, not added on top. Packaging weight is not included.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eOne standalone subwoofer. Enclosure not included.\u003c\/p\u003e\u003ch3\u003eBefore You Order\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConfirm mounting depth and cutout dimensions for your installation.\u003c\/li\u003e\n\u003cli\u003eRequest recommended enclosure volume, enclosure type and tuning before building your box.\u003c\/li\u003e\n\u003cli\u003eMatch your amplifier to the RMS power rating and final wired impedance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eContact TrueBass Solutions with your vehicle details, available enclosure space and amplifier information for help planning your setup.\u003c\/p\u003e","brand":"TrueBass Solutions","offers":[{"title":"Default Title","offer_id":50769728864354,"sku":null,"price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/3794\/9282\/files\/1543-subwoofer-front-view.png?v=1793031567","url":"https:\/\/truebass.solutions\/products\/15-1543-ultra-subwoofer","provider":"TrueBass Solutions","version":"1.0","type":"link"}