{"product_id":"blastking-profile21n-21-inch-high-performance-neodymium-woofer-8-ohm-4000w-program","title":"Blastking PROFILE21N 21 Inch High-Performance Neodymium Woofer 8 Ohm 4000W Program","description":"\u003cp\u003e\u003cstrong\u003eSold Individually\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"433\" data-start=\"112\"\u003eThe \u003cstrong data-end=\"140\" data-start=\"116\"\u003eBlastking PROFILE21N\u003c\/strong\u003e is a \u003cstrong data-end=\"191\" data-start=\"146\"\u003e21 inch high-performance \u003cstrong data-end=\"192\" data-start=\"147\"\u003e\u003cstrong data-end=\"190\" data-start=\"145\"\u003e\u003cstrong data-start=\"143\" data-end=\"187\"\u003e\u003cstrong data-start=\"144\" data-end=\"190\"\u003e\u003ca href=\"https:\/\/blastkingusa.com\/collections\/neodymium-woofers\" title=\"neodymium woofer\"\u003eneodymium woofer\u003c\/a\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e \u003c\/strong\u003edesigned for low-frequency professional audio applications. It features \u003cstrong data-end=\"283\" data-start=\"264\"\u003e8 ohm impedance\u003c\/strong\u003e, \u003cstrong data-end=\"318\" data-start=\"285\"\u003e2000 watts RMS power handling\u003c\/strong\u003e, \u003cstrong data-end=\"348\" data-start=\"320\"\u003e4000 watts program power\u003c\/strong\u003e, and \u003cstrong data-end=\"375\" data-start=\"354\"\u003e96 dB sensitivity\u003c\/strong\u003e, delivering strong output in a lightweight woofer design.\u003c\/p\u003e\n\u003cp data-end=\"849\" data-start=\"435\"\u003eBuilt with a \u003cstrong data-end=\"482\" data-start=\"448\"\u003e4.9 inch fiberglass voice coil\u003c\/strong\u003e and a \u003cstrong data-end=\"521\" data-start=\"489\"\u003elightweight neodymium magnet\u003c\/strong\u003e, the PROFILE21N is specified for a \u003cstrong data-end=\"596\" data-start=\"557\"\u003efrequency range of 30 Hz to 1000 Hz\u003c\/strong\u003e. Its \u003cstrong data-end=\"646\" data-start=\"602\"\u003e21 inch \/ 530 mm nominal basket diameter\u003c\/strong\u003e, \u003cstrong data-end=\"666\" data-start=\"648\"\u003e494 mm cut-out\u003c\/strong\u003e, and \u003cstrong data-end=\"688\" data-start=\"672\"\u003e245 mm depth\u003c\/strong\u003e make it a practical option for professional speaker builds and replacement applications where strong low-frequency performance and reduced weight are important.\u003c\/p\u003e\n\u003ch2 data-end=\"842\" data-start=\"831\" data-section-id=\"1d7mrtu\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"17unbbz\" data-start=\"863\" data-end=\"906\"\u003e\n\u003cp data-start=\"865\" data-end=\"906\"\u003e21 inch high-performance neodymium woofer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xoly4n\" data-start=\"907\" data-end=\"937\"\u003e\n\u003cp data-start=\"909\" data-end=\"937\"\u003eLightweight neodymium magnet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ccyhfq\" data-start=\"938\" data-end=\"955\"\u003e\n\u003cp data-start=\"940\" data-end=\"955\"\u003e8 ohm impedance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fvembl\" data-start=\"956\" data-end=\"982\"\u003e\n\u003cp data-start=\"958\" data-end=\"982\"\u003e2000W RMS power handling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1goes8g\" data-start=\"983\" data-end=\"1004\"\u003e\n\u003cp data-start=\"985\" data-end=\"1004\"\u003e4000W program power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1e19z7m\" data-start=\"1005\" data-end=\"1029\"\u003e\n\u003cp data-start=\"1007\" data-end=\"1029\"\u003e96 dB high sensitivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4w8u7c\" data-start=\"1030\" data-end=\"1062\"\u003e\n\u003cp data-start=\"1032\" data-end=\"1062\"\u003e4.9 inch fiberglass voice coil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"100qwds\" data-start=\"1063\" data-end=\"1098\"\u003e\n\u003cp data-start=\"1065\" data-end=\"1098\"\u003eFrequency range: 30 Hz to 1000 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qq0u3l\" data-start=\"1099\" data-end=\"1128\"\u003e\n\u003cp data-start=\"1101\" data-end=\"1128\"\u003eLow-frequency woofer design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-start=\"834\" data-end=\"1123\"\u003e\n\u003cli data-section-id=\"1s37v2z\" data-start=\"1105\" data-end=\"1123\"\u003e\n\u003cp data-start=\"1107\" data-end=\"1123\"\u003e\u003ca href=\"https:\/\/blastkingusa.com\/collections\/profile-n-series\" title=\"PROFILE N-SERIES\"\u003eP\u003c\/a\u003e\u003ca href=\"https:\/\/blastkingusa.com\/collections\/profile-n-series\" title=\"PROFILE N-SERIES\"\u003eROFILE N-SERIES\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"xn2kfn\" data-start=\"1130\" data-end=\"1138\"\u003eSpecs\u003c\/h2\u003e\n\u003cul data-start=\"1139\" data-end=\"2472\"\u003e\n\u003cli data-section-id=\"a3shvf\" data-start=\"1139\" data-end=\"1158\"\u003e\n\u003cp data-start=\"1141\" data-end=\"1158\"\u003eModel: PROFILE21N\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1oqr9f0\" data-start=\"1159\" data-end=\"1207\"\u003e\n\u003cp data-start=\"1161\" data-end=\"1207\"\u003eDescription: High-Performance Neodymium Woofer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4qs34f\" data-start=\"1208\" data-end=\"1251\"\u003e\n\u003cp data-start=\"1210\" data-end=\"1251\"\u003eNominal Basket Diameter: 530 mm \/ 21 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1c2gni2\" data-start=\"1252\" data-end=\"1276\"\u003e\n\u003cp data-start=\"1254\" data-end=\"1276\"\u003eRated Impedance: 8 ohm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m29bc3\" data-start=\"1277\" data-end=\"1311\"\u003e\n\u003cp data-start=\"1279\" data-end=\"1311\"\u003eRated Power Handling: 2000 Watts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"b9wqoo\" data-start=\"1312\" data-end=\"1339\"\u003e\n\u003cp data-start=\"1314\" data-end=\"1339\"\u003eProgram Power: 4000 Watts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ijn2za\" data-start=\"1340\" data-end=\"1360\"\u003e\n\u003cp data-start=\"1342\" data-end=\"1360\"\u003eSensitivity: 96 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16wc3s6\" data-start=\"1361\" data-end=\"1395\"\u003e\n\u003cp data-start=\"1363\" data-end=\"1395\"\u003eFrequency Range: 30 Hz - 1000 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ya74x4\" data-start=\"1396\" data-end=\"1422\"\u003e\n\u003cp data-start=\"1398\" data-end=\"1422\"\u003eMagnet: 778 g \/ 27.44 oz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1umslw9\" data-start=\"1423\" data-end=\"1483\"\u003e\n\u003cp data-start=\"1425\" data-end=\"1483\"\u003eMagnet Dimensions: 123 x 45 x 10 mm \/ 4.8 x 1.8 x 0.4 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"peqavx\" data-start=\"1484\" data-end=\"1512\"\u003e\n\u003cp data-start=\"1486\" data-end=\"1512\"\u003eMinimum Impedance: 5.4 ohm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rcif98\" data-start=\"1513\" data-end=\"1553\"\u003e\n\u003cp data-start=\"1515\" data-end=\"1553\"\u003eVoice Coil Diameter: 125 mm \/ 4.9 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xxood2\" data-start=\"1554\" data-end=\"1587\"\u003e\n\u003cp data-start=\"1556\" data-end=\"1587\"\u003eVoice Coil Material: Fiberglass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"oq7wg\" data-start=\"1588\" data-end=\"1626\"\u003e\n\u003cp data-start=\"1590\" data-end=\"1626\"\u003eVoice Coil Length: 35 mm \/ 1.38 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r276gq\" data-start=\"1627\" data-end=\"1648\"\u003e\n\u003cp data-start=\"1629\" data-end=\"1648\"\u003eNumber of Layers: 2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bwnu4l\" data-start=\"1649\" data-end=\"1681\"\u003e\n\u003cp data-start=\"1651\" data-end=\"1681\"\u003eKind of Layers: inside\/outside\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3vv8ik\" data-start=\"1682\" data-end=\"1722\"\u003e\n\u003cp data-start=\"1684\" data-end=\"1722\"\u003eTop Plate Thickness: 16 mm \/ 0.63 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"41vxbx\" data-start=\"1723\" data-end=\"1759\"\u003e\n\u003cp data-start=\"1725\" data-end=\"1759\"\u003eResonance Frequency (Fs): 23.86 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qcuxhh\" data-start=\"1760\" data-end=\"1789\"\u003e\n\u003cp data-start=\"1762\" data-end=\"1789\"\u003eDC Resistance (Re): 5.4 ohm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1udi312\" data-start=\"1790\" data-end=\"1822\"\u003e\n\u003cp data-start=\"1792\" data-end=\"1822\"\u003eMechanical Factor (Qms): 12.89\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1hhbhy7\" data-start=\"1823\" data-end=\"1855\"\u003e\n\u003cp data-start=\"1825\" data-end=\"1855\"\u003eElectrical Factor (Qes): 0.413\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e11bj4\" data-start=\"1856\" data-end=\"1881\"\u003e\n\u003cp data-start=\"1858\" data-end=\"1881\"\u003eTotal Factor (Qts): 0.4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6uzra9\" data-start=\"1882\" data-end=\"1909\"\u003e\n\u003cp data-start=\"1884\" data-end=\"1909\"\u003eBL Factor (BL): 27.66 T-m\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"diwy8l\" data-start=\"1910\" data-end=\"1950\"\u003e\n\u003cp data-start=\"1912\" data-end=\"1950\"\u003eEffective Moving Mass (Mms): 390.54 gr\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"n5n2d0\" data-start=\"1951\" data-end=\"1997\"\u003e\n\u003cp data-start=\"1953\" data-end=\"1997\"\u003eEquivalent Cas Air Load (Vas): 448.98 liters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xw0l6u\" data-start=\"1998\" data-end=\"2039\"\u003e\n\u003cp data-start=\"2000\" data-end=\"2039\"\u003eEffective Piston Area (Sd): 1.680E-1 m²\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ej90q9\" data-start=\"2040\" data-end=\"2082\"\u003e\n\u003cp data-start=\"2042\" data-end=\"2082\"\u003eMaximum Linear Excursion (Xmax): 13.5 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11x3feq\" data-start=\"2083\" data-end=\"2122\"\u003e\n\u003cp data-start=\"2085\" data-end=\"2122\"\u003eOverall Diameter: 552 mm \/ 21.73 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lp0cyv\" data-start=\"2123\" data-end=\"2166\"\u003e\n\u003cp data-start=\"2125\" data-end=\"2166\"\u003eBolt Circle Diameter: 519 mm \/ 20.43 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qhronw\" data-start=\"2167\" data-end=\"2206\"\u003e\n\u003cp data-start=\"2169\" data-end=\"2206\"\u003eBolt Hole Diameter: 8 mm \/ 0.315 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1az8xwo\" data-start=\"2207\" data-end=\"2256\"\u003e\n\u003cp data-start=\"2209\" data-end=\"2256\"\u003eFront Mount Baffle Cut-Out: 494 mm \/ 19.45 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1byus6l\" data-start=\"2257\" data-end=\"2305\"\u003e\n\u003cp data-start=\"2259\" data-end=\"2305\"\u003eRear Mount Baffle Cut-Out: 494 mm \/ 19.45 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4q7f0b\" data-start=\"2306\" data-end=\"2333\"\u003e\n\u003cp data-start=\"2308\" data-end=\"2333\"\u003eDepth: 245 mm \/ 9.65 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"38nefd\" data-start=\"2334\" data-end=\"2364\"\u003e\n\u003cp data-start=\"2336\" data-end=\"2364\"\u003eNet Weight: 11 kg \/ 24.2 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8jj8xk\" data-start=\"2365\" data-end=\"2401\"\u003e\n\u003cp data-start=\"2367\" data-end=\"2401\"\u003eShipping Weight: 13 kg \/ 28.66 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"o3suj3\" data-start=\"2402\" data-end=\"2472\"\u003e\n\u003cp data-start=\"2404\" data-end=\"2472\"\u003eDimensions (W x D x H): 580 x 575 x 285 mm \/ 22.8 x 22.6 x 11.2 inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2478\" data-end=\"2543\"\u003e\u003ca href=\"https:\/\/blastking.com\/downloads\/datasheet\/PROFILE21N_data_sheet.pdf\" target=\"_blank\" title=\"View PROFILE21N Datasheet\" rel=\"noopener\"\u003eView PROFILE21N Datasheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Blastking","offers":[{"title":"Default Title","offer_id":48429190054115,"sku":"PROFILE21N","price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4691\/1796\/files\/PROFILE21N_1.jpg?v=1773170423","url":"https:\/\/blastkingusa.com\/en-ca\/products\/blastking-profile21n-21-inch-high-performance-neodymium-woofer-8-ohm-4000w-program","provider":"Blastking USA","version":"1.0","type":"link"}