{"product_id":"audio-pro-b2-50-powered-subwoofer-made-in-sweden-fully-serviced","title":"Audio PRO B2-50 Powered Subwoofer * Made in Sweden * Fully Serviced","description":"\u003ch1 class=\"title\"\u003e*** NO SHIPPING LOCAL PICKUP ONLY ***\u003c\/h1\u003e\n\u003ch1 class=\"title\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9204\/5301\/files\/ServiceSpeakers.png?v=1775659965\" alt=\"\"\u003e\u003c\/h1\u003e\n\u003ch1 class=\"title\"\u003eAudio Pro B2-50\u003c\/h1\u003e\n\u003cp\u003eSubwoofer System\u003c\/p\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003e\n\u003cspan class=\"iNqyIf\"\u003eThe \u003cspan\u003e\u003ca class=\"SmjhRb bqYA2d\" role=\"link\" id=\"pvlinkmvCfauLxLdmh5NoPr7iPyAg_1\" href=\"https:\/\/www.google.com\/search?ibp=oshop\u0026amp;prds=pvt:hg,pvo:48,imageDocid:2958899599516018999,headlineOfferDocid:8438305038918448545,productDocid:8438305038918448545\u0026amp;q=product\u0026amp;sa=X\u0026amp;ved=2ahUKEwjiptXo796WAxXZEFkFHS_cA4kQxa4PegoIAAgACAAIDBAC\" tabindex=\"0\"\u003eAudio Pro B2-50\u003c\/a\u003e\u003c!--TgQPHd|||[[[\u0026quot;2958899599516018999\u0026quot;,null,\u0026quot;8438305038918448545\u0026quot;,\u0026quot;8438305038918448545\u0026quot;,null,null,null,null,\u0026quot;hg\u0026quot;,null,null,null,null,null,null,null,null,null,null,48,null,null,null,null,null,null,null,null,\u0026quot;Vintage Audio Pro Ace Bass B2-50 By 3dgruppen Powered Subwoofer\u0026quot;,null,null,\u0026quot;17230645538146796518\u0026quot;,null,null,null,null,\u0026quot;Audio PRO B2-50\u0026quot;,[null,\u0026quot;Audio PRO B2-50\u0026quot;,null,1],null,null,null,0,\u0026quot;EswBCowBQUppVDR0SkFWWWFWVkl4S2lvYmtDWDN3OHJ4VnFtblRDLXNMYW1LSTdXY1hkbnZKQXQ3X182bElZZk94NGxKZ2x0cjFoUExwSUpvWjE1N1pKWmt6ekQ2YzlYY0xEcUNCTjZOeGt4XzlWeFdEWmR5cEIxdl9qU3VNRzlMbUpTUGY0UVRUTTZXZE5BWmcSF212Q2ZhdUx4TGRtaDVOb1ByN2lQeUFnGiJBRHNyOWZTUGVybGlPLVd4Q0hwZm90OGQ3amZCc3NIbFNR\u0026quot;,null,null,0],null,0,1,\u0026quot;EtQDCsoDIscDaHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS9zZWFyY2g_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\u0026quot;,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[null,1,0,1,null,null,null,null,null,null,null,null,[251717,null,1],null,null,[{\u0026quot;395\u0026quot;:[null,null,null,[null,[250000000,\u0026quot;USD\u0026quot;],null,null,null,\u0026quot;Vintage Audio Pro Ace Bass B2-50 By 3dgruppen Powered Subwoofer\u0026quot;,null,[\u0026quot;2958899599516018999\u0026quot;,1,154]]],\u0026quot;470\u0026quot;:[[\u0026quot;8438305038918448545\u0026quot;,\u0026quot;8438305038918448545\u0026quot;,null,null,null,null,\u0026quot;114779283\u0026quot;,null,\u0026quot;17230645538146796518\u0026quot;,null,null,null,null,null,[\u0026quot;8438305038918448545\u0026quot;,\u0026quot;3812894148071466009\u0026quot;,null,\u0026quot;1788679432224855\u0026quot;,\u0026quot;1788679432224855\u0026quot;,\u0026quot;1788839933794451\u0026quot;],null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[[\u0026quot;8438305038918448545\u0026quot;,\u0026quot;3812894148071466009\u0026quot;,null,\u0026quot;1788679432224855\u0026quot;,\u0026quot;1788679432224855\u0026quot;,\u0026quot;1788839933794451\u0026quot;],null,\u0026quot;8438305038918448545\u0026quot;,\u0026quot;114779283\u0026quot;,null,null,1,[[1788866716063599,159923500,4196030911],null,0],null,\u0026quot;298513256453\u0026quot;,\u0026quot;en\u0026quot;,[\u0026quot;114779283\u0026quot;,6296794,\u0026quot;https:\/\/www.ebay.com\/sch\/notjusthifi\/m.html\u0026quot;,\u0026quot;eBay - notjusthifi\u0026quot;],null,null,null,3,null,null,null,null,null,1,null,[997927,997192,978758,969441,395953]]]]}],null,null,null,null,[null,null,\u0026quot;\/search?ibp\\u003doshop\\u0026prds\\u003dpvt:hg,pvo:48,imageDocid:2958899599516018999,headlineOfferDocid:8438305038918448545,productDocid:8438305038918448545\\u0026q\\u003dproduct\u0026quot;]],0],\u0026quot;\u0026quot;]--\u003e\u003c!--TgQPHd|||[]--\u003e\u003c!--TgQPHd|||[[\u0026quot;SHOPPING_PRODUCT\u0026quot;,2,\u0026quot;FAILED_OR_SKIPPED\u0026quot;,\u0026quot;EhsiFKIBEUZBSUxFRF9PUl9TS0lQUEVEkgECnAE\u0026quot;,\u0026quot;Audio Pro B2-50\u0026quot;,\u0026quot;\u0026quot;,\u0026quot;EuIDCqIDQUppVDR0S20xclVNWjhjSEgwR1BtdWNjYXVhRXRtZlRZeEZJZUl4UkNTU08ySGw1LUFiOUpCcHFqWU1lRFppQUFlZnVUZk1vQUdlVC16dzVZWXdVZ3U3NFNXRUxsLXZVS3cxNjVtV21iN0puNVBJVFE4X0g5ZnoxY1hZYzRoLWMxT25mMUxzbUwwb3RraEV6bmJmSUp6N0NqeUZuLVJfOXFxMmd1SXNEZHB4aXZNTWJ2UWRHdkFGSEtxYWRrMjZfSE9uMmtTV3N1Nm1hZU1mODJtemJIbE1hSzVUR2s2T1pPc0kwNWUwOGZUY1dyZzg4UkVWOUo3VGFrMEpWWmRXdVVZd3ZuVlBRbXA5ZlBlR1Q4bmttaGZQZW90clpWWS00aFVoNGU1eFNRTkEwYU1pMXBEMjdoMGl3bjRoc1R1Vkx0Y1B6dmZsMFpYVTd4UmU0ZVc0cWJwRkZ1Tk5CdWwteTdicGd5dHFQeE9ZR0VXTGtxX1ZTZ3dCVkpIUXA1SGtfb0hvOG5ubkJTZGlLNURQNHhadjFsLVk4dnZnV0M0eW42QRIXbXZDZmF1THhMZG1oNU5vUHI3aVB5QWcaIkFEc3I5ZlRzSHpKN0V5YlpRSW9xbko2VXBRSHplRGVlTGc\u0026quot;,null,1,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1],0,0,null,null,0,0,[],\u0026quot;\u0026quot;,0,0],\u0026quot;mvCfauLxLdmh5NoPr7iPyAg_0\u0026quot;]--\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e is a \u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cmark class=\"MAeH\"\u003e\u003c!--qkimaf glU87c_y\/HugV6--\u003e\u003c!--cqw1tb glU87c_y\/HugV6--\u003e\u003cspan class=\"iNqyIf\"\u003evintage active powered subwoofer\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[[]]--\u003e\u003c\/mark\u003e\u003cspan class=\"iNqyIf\"\u003e introduced in 1978 that pioneered patented ACE-bass technology\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003eOverview and History\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cspan class=\"iNqyIf\"\u003eReleased in 1978 by Swedish manufacturer \u003cspan class=\"\"\u003e\u003ca class=\"H23r4e\" rel=\"noopener\" href=\"https:\/\/audiopro.com\/blogs\/news\/historic-audio-know-how-makes-way-for-subwoofer-launch\" target=\"_blank\"\u003eAudio Pro\u003c\/a\u003e\u003c!--TgQPHd|||[[\u0026quot;https:\/\/audiopro.com\/blogs\/news\/historic-audio-know-how-makes-way-for-subwoofer-launch\u0026quot;,null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{\u0026quot;1218\u0026quot;:[16,null,null,null,[1]]}]],16,null,\u0026quot;Historic audio know-how makes way for subwoofer launch.\u0026quot;,\u0026quot;Audio Pro is a Swedish speaker manufacturer that has a history of developing and producing subwoofers. The company\u0026#39;s founder developed the ACE-Bass technology, which is used in their subwoofers. The ACE-Bass technology resulted in a sound quality that earned the brand a reputation in the industry. Some early models include: * Audio Pro B2.50 * Audio Pro B4.200\u0026quot;,\u0026quot;https:\/\/encrypted-tbn2.gstatic.com\/images?q\\u003dtbn:ANd9GcS_PUYv70eEoyb4eYznLkhQ1hO1Ogk012PTxCvz2Qk2HVlJBH94LohF4zqX-VSg6qX4_7bsjs6WPIl2JwA\u0026quot;,\u0026quot;Audio Pro\u0026quot;,\u0026quot;https:\/\/encrypted-tbn3.gstatic.com\/faviconV2?url\\u003dhttps:\/\/audiopro.com\\u0026client\\u003dAIM\\u0026size\\u003d128\\u0026type\\u003dFAVICON\\u0026fallback_opts\\u003dTYPE,SIZE,URL\u0026quot;,[[1788866714751842,89723097,2298731567],null,null,null,null,[[0,0,0,14]]],null,\u0026quot;b19fc196-8a3d-417b-8158-0c1589cf5645\u0026quot;]]--\u003e\u003c\/span\u003e.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cspan class=\"iNqyIf\"\u003eKnown as the first active subwoofer utilizing ACE-bass (Amplifier Controlled Euphonic Bass) technology.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cspan class=\"iNqyIf\"\u003eFeatures an 80-watt built-in amplifier and uses a DIN audio input connection.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cspan class=\"iNqyIf\"\u003ePraised by audiophiles for delivering deep, well-defined bass relative to its era.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"model_main_image\"\u003e\u003ca href=\"https:\/\/www.hifiengine.com\/images\/model\/audio_pro_b2-50_subwoofer.jpg\"\u003e\n\u003cdiv class=\"model_main_image_inner\"\u003e\u003cimg src=\"https:\/\/www.hifiengine.com\/images\/model\/audio_pro_b2-50.jpg\" alt=\"Audio Pro B2-50\" loading=\"lazy\" width=\"300\" height=\"305\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"model_magnify\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/div\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003eType: 1 way, 2 driver subwoofer\u003c\/p\u003e\n\u003cp\u003eFrequency Response: 20Hz to 200Hz\u003c\/p\u003e\n\u003cp\u003eSensitivity: 100dB\u003c\/p\u003e\n\u003cp\u003eSub Bass: 2 X 6.5\"\u003c\/p\u003e\n\u003cp\u003eEnclosure: 50 litre\u003c\/p\u003e\n\u003cp\u003eDimensions: 462 X 444 X 538mm\u003c\/p\u003e\n\u003cp\u003eWeight: 28kg\u003c\/p\u003e\n\u003cp\u003eNote: onboard power amplfiier\u003c\/p\u003e\n\u003cp\u003eYear: 1978\u003c\/p\u003e","brand":"Audio Pro","offers":[{"title":"Default Title","offer_id":48823005118709,"sku":null,"price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/9204\/5301\/files\/DSC_0149_5d63e2ed-baca-4646-9930-33e22cae3721.jpg?v=1788866674","url":"https:\/\/www.theturntablestore.com\/products\/audio-pro-b2-50-powered-subwoofer-made-in-sweden-fully-serviced","provider":"The Turntable Store","version":"1.0","type":"link"}