![\"\u0645\u0643\u0628\u0631](\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/Customized-Speaker.jpg\" "\\"\u0645\u0643\u0628\u0631")
<\/p>\n<\/p>\n
\u6bcf\u4e2a\u52a8\u5708\u626c\u58f0\u5668\u9a71\u52a8\u5355\u5143\u7684\u6838\u5fc3\u5728\u4e8e\u5176\u78c1\u8def\u5f15\u64ce\u3002\u8fd9\u4e00\u5173\u952e\u7ec4\u4ef6\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u51b3\u5b9a\u4e86\u626c\u58f0\u5668\u7684\u6f5c\u529b\uff1a\u6548\u7387\u3001\u529f\u7387\u5904\u7406\u80fd\u529b\u3001\u6e05\u6670\u5ea6\uff0c\u5e76\u6700\u7ec8\u5f71\u54cd\u5176\u6210\u672c\u548c\u5e94\u7528\u3002\u51e0\u5341\u5e74\u6765\uff0c\u94c1\u6c27\u4f53\uff08\u9676\u74f7\uff09\u78c1\u4f53\u4e00\u76f4\u662f\u884c\u4e1a\u6807\u51c6\u3002\u7136\u800c\uff0c\u9495\u94c1\u787c\uff08NdFeB\uff09\u7a00\u571f\u78c1\u4f53\u7684\u51fa\u73b0\u5f7b\u5e95\u9769\u65b0\u4e86\u7d27\u51d1\u578b\u548c\u9ad8\u6027\u80fd\u97f3\u9891\u8bbe\u8ba1\u3002\u672c\u5168\u9762\u5bf9\u6bd4\u5206\u6790\u6df1\u5165\u63a2\u8ba8\u4e86\u8fd9\u4e24\u79cd\u4e3b\u5bfc\u78c1\u4f53\u6280\u672f\u7684\u6280\u672f\u6027\u80fd\u3001\u7ecf\u6d4e\u8003\u91cf\u53ca\u7406\u60f3\u5e94\u7528\uff0c\u52a9\u529b\u5de5\u7a0b\u5e08\u3001\u4ea7\u54c1\u8bbe\u8ba1\u5e08\u548c\u97f3\u54cd\u53d1\u70e7\u53cb\u505a\u51fa\u660e\u667a\u51b3\u7b56\u3002.<\/p>\n
![\"\u0635\u0646\u062f\u0648\u0642](\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/Customized-speaker-box.jpg\" "\\"\u0635\u0646\u062f\u0648\u0642")
<\/p>\n
\u7406\u89e3\u6839\u672c\u533a\u522b\u81f3\u5173\u91cd\u8981\u3002\u94c1\u6c27\u4f53\u78c1\u4f53\u7531\u6c27\u5316\u94c1\u4e0e\u78b3\u9178\u9536\u6216\u78b3\u9178\u94a1\u5236\u6210\uff0c\u5c5e\u4e8e\u9676\u74f7\u6750\u6599\u3002\u9495\u94c1\u787c\u78c1\u4f53\u5219\u662f\u9495\u3001\u94c1\u548c\u787c\u7684\u70e7\u7ed3\u5408\u91d1\u2014\u2014\u662f\u5e02\u9762\u4e0a\u53ef\u7528\u7684\u6700\u5f3a\u6c38\u78c1\u4f53\u3002\u8fd9\u4e00\u57fa\u672c\u5dee\u5f02\u5ef6\u4f38\u81f3\u626c\u58f0\u5668\u6027\u80fd\u548c\u5236\u9020\u7684\u5404\u4e2a\u65b9\u9762\u3002.<\/p>\n
![\"\u0646\u0638\u0627\u0645](\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/Customized-AI-voice-system-and-speaker-scaled.jpg\" "\\"\u0646\u0638\u0627\u0645")
<\/p>\n
\u5728\u9495\u94c1\u787c\u548c\u94c1\u6c27\u4f53\u4e4b\u95f4\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u591a\u4e2a\u5173\u952e\u626c\u58f0\u5668\u53c2\u6570\u3002\u8ba9\u6211\u4eec\u5206\u89e3\u6027\u80fd\u7279\u5f81\u3002.<\/p>\n
\u78c1\u5f3a\u5ea6\uff08\u9ad8\u65af\/Br\uff09\uff1a<\/strong> \u7075\u654f\u5ea6\u4e0e\u6548\u7387\uff1a<\/strong> \u77ac\u6001\u54cd\u5e94\u4e0e\u63a7\u5236\uff1a<\/strong> \u91cd\u91cf\u4e0e\u5c3a\u5bf8\uff1a<\/strong> \u70ed\u7a33\u5b9a\u6027\u4e0e\u529f\u7387\u5904\u7406\u80fd\u529b\uff1a<\/strong> \u6027\u80fd\u5bf9\u6bd4\u8868<\/strong><\/p>\n \u6027\u80fd\u5e76\u975e\u5b64\u7acb\u5b58\u5728\uff1b\u6210\u672c\u51b3\u5b9a\u4e86\u53ef\u884c\u6027\u3002\u8fd9\u91cc\u7684\u53d9\u8ff0\u6bd4\u201c\u9495\u94c1\u787c\u8d35\uff0c\u94c1\u6c27\u4f53\u4fbf\u5b9c\u201d\u66f4\u4e3a\u7ec6\u81f4\u3002\u201d<\/p>\n \u539f\u6750\u6599\u4e0e\u5236\u9020\u6210\u672c\uff1a<\/strong> \u603b\u7cfb\u7edf\u6210\u672c\u4e0e\u4ef7\u503c\u5de5\u7a0b\uff1a \u5728\u8003\u8651\u6574\u4e2a\u626c\u58f0\u5668\u7cfb\u7edf\u65f6\uff0c\u5355\u4f4d\u6210\u672c\u7684\u6545\u4e8b\u53d1\u751f\u4e86\u53d8\u5316\u3002\u9495\u94c1\u787c\u5e26\u6765\u7684\u5c0f\u578b\u5316\u964d\u4f4e\u4e86\u5176\u4ed6\u65b9\u9762\u7684\u6210\u672c\uff1a<\/strong>. \u66f4\u5c0f\u7684\u5916\u58f3\uff1a.<\/p>\n \u66f4\u5c11\u7684\u5851\u6599\u3001\u91d1\u5c5e\u6216\u6728\u6750\u3002<\/strong> For a high-end headphone or compact wireless speaker, the magnet cost is a small percentage of the total Bill of Materials (BOM). The value added by miniaturization and performance justifies NdFeB. For a large, stationary home theater subwoofer where size\/weight matter less, the raw cost advantage of ferrite is decisive.<\/p>\n Supply Chain and Sustainability:<\/strong> The “best” magnet is the one optimally suited for the application.<\/p>\n Choose NdFeB When:<\/strong><\/p>\n Choose Ferrite When:<\/strong><\/p>\n The Hybrid Approach:<\/strong> A sophisticated solution used in some high-performance designs is a ferrite magnet with neodymium “front” or “back” plates<\/strong>. This boosts magnetic flux (and thus sensitivity) while maintaining the thermal stability and lower cost profile of ferrite.<\/p>\n Innovation continues. Research is focused on reducing the heavy rare-earth content (Dysprosium, Terbium) in NdFeB magnets to lower cost and geopolitical risk, while maintaining high-temperature performance. Alternatives like Samarium-Cobalt (SmCo) offer high strength and better temperature stability but at even higher cost, limiting them to aerospace and extreme military applications.<\/p>\n Simultaneously, ferrite magnet technology is advancing, with grades offering slightly improved energy product. Furthermore, the rise of Class D amplification<\/strong> (incredibly efficient and cheap) can offset the lower efficiency of ferrite drivers in some applications, reinforcing their value proposition.<\/p>\n According to a 2023 report from Adroit Market Research, the global permanent magnet market, driven by EVs and renewables, continues to grow. This demand will keep pressure on NdFeB prices but also spur innovation and potential supply diversification from regions outside China.<\/p>\n Q1: I’ve heard NdFeB speakers can demagnetize. Is this a real risk in normal use?<\/strong> Q2: From a pure sound quality perspective, is NdFeB inherently “better” than Ferrite?<\/strong> Q3: Are there any new magnet technologies on the horizon that could replace both?<\/strong> Q4: How significant are the weight savings in a real-world product?<\/strong> Introduction: The Heart of Sound \u2013 Magnet Technology At the core of every dynamic loudspeaker driver lies its magnetic engine. This critical component defines much of a speaker’s potential: its efficiency, power handling, clarity, and ultimately, its cost and application. For decades, ferrite (ceramic) magnets were the industry standard. However, the advent of Neodymium-Iron-Boron (NdFeB) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9092","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/posts\/9092","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/comments?post=9092"}],"version-history":[{"count":1,"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/posts\/9092\/revisions"}],"predecessor-version":[{"id":9093,"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/posts\/9092\/revisions\/9093"}],"wp:attachment":[{"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/media?parent=9092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/categories?post=9092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zehsm.com\/ar\/wp-json\/wp\/v2\/tags?post=9092"}],"curies":[{"name":"\u0648\u0648\u0631\u062f\u0628\u0631\u064a\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u9495\u94c1\u787c\u6700\u663e\u8457\u7684\u4f18\u70b9\u662f\u5176\u5353\u8d8a\u7684\u78c1\u80fd\u79ef\u3002\u901a\u5e38\uff0c\u5b83\u80fd\u4ea7\u751f\u6bd4\u540c\u7b49\u5c3a\u5bf8\u94c1\u6c27\u4f53\u78c1\u4f53\u5f3a5\u523010\u500d\u7684\u78c1\u901a\u5bc6\u5ea6\u3002\u8fd9\u4f7f\u5f97\u5b9e\u73b0\u97f3\u5708\u95f4\u9699\u4e2d\u76f8\u540c\u78c1\u573a\u5f3a\u5ea6\u6240\u9700\u7684\u78c1\u4f53\u663e\u8457\u66f4\u5c0f\u3001\u66f4\u8f7b\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a20\u514b\u7684\u5c0f\u578b\u9495\u94c1\u787c\u78c1\u4f53\u901a\u5e38\u53ef\u4ee5\u5339\u914d100\u514b\u94c1\u6c27\u4f53\u5355\u5143\u7684\u8f93\u51fa\u6765\u3002.<\/p>\n
\n\u95f4\u9699\u4e2d\u66f4\u5f3a\u7684\u78c1\u573a\u589e\u52a0\u4e86\u7535\u673a\u529b\uff08Bl\u56e0\u5b50\uff09\u3002\u8fd9\u610f\u5473\u7740\u626c\u58f0\u5668\u5c06\u66f4\u591a\u7535\u529f\u7387\u8f6c\u6362\u4e3a\u58f0\u529f\u7387\uff0c\u4ece\u800c\u83b7\u5f97\u66f4\u9ad8\u7684\u7075\u654f\u5ea6\uff08\u4ee5dB\/W\/m\u8861\u91cf\uff09\u3002\u57fa\u4e8e\u9495\u94c1\u787c\u7684\u9a71\u52a8\u5355\u5143\u53ef\u6bd4\u5176\u94c1\u6c27\u4f53\u5bf9\u5e94\u7269\u7075\u654f2-4 dB\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd9\u8f6c\u5316\u4e3a\u5728\u76f8\u540c\u653e\u5927\u5668\u529f\u7387\u4e0b\u4ea7\u751f\u66f4\u54cd\u4eae\u7684\u58f0\u97f3\uff0c\u6216\u4e3a\u76ee\u6807\u97f3\u91cf\u964d\u4f4e\u529f\u7387\u9700\u6c42\uff0c\u8fd9\u5bf9\u7535\u6c60\u4f9b\u7535\u7684\u4fbf\u643a\u8bbe\u5907\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n
\n\u9ad8\u7535\u673a\u5f3a\u5ea6\u63d0\u4f9b\u4e86\u5bf9\u97f3\u5708\u548c\u632f\u819c\u8fd0\u52a8\u7684\u5353\u8d8a\u63a7\u5236\u3002\u8fd9\u6539\u5584\u4e86\u963b\u5c3c\uff0c\u5bfc\u81f4\u66f4\u5feb\u7684\u542f\u52a8\u548c\u505c\u6b62\u65f6\u95f4\uff08\u66f4\u597d\u7684\u77ac\u6001\u54cd\u5e94\uff09\u3002\u7ed3\u679c\u662f\u66f4\u7d27\u51d1\u3001\u66f4\u6e05\u6670\u7684\u4f4e\u97f3\uff0c\u4ee5\u53ca\u590d\u6742\u97f3\u4e50\u6bb5\u843d\u7684\u66f4\u6e05\u6670\u518d\u73b0\u3002.<\/p>\n
\n\u8fd9\u662f\u9495\u94c1\u787c\u7684\u9769\u547d\u6027\u4f18\u52bf\u3002\u5728\u7b49\u6548\u78c1\u529b\u4e0b\uff0c\u9495\u94c1\u787c\u78c1\u4f53\u7cfb\u7edf\u53ef\u8f7b\u8fbe90%\uff0c\u4f53\u79ef\u7f29\u5c0f75%\u3002\u8fd9\u4f7f\u5f97\u5f00\u53d1\u8d85\u8584\u7535\u89c6\u3001\u5f3a\u5927\u4f46\u7d27\u51d1\u7684\u84dd\u7259\u626c\u58f0\u5668\u3001\u7528\u4e8e\u5de1\u6f14\u7684\u8f7b\u91cf\u4e13\u4e1a\u97f3\u9891\u8bbe\u5907\u4ee5\u53ca\u7cbe\u5bc6\u5165\u8033\u5f0f\u76d1\u542c\u5668\u6210\u4e3a\u53ef\u80fd\u3002.<\/p>\n
\n\u5728\u6b64\u65b9\u9762\uff0c\u4f20\u7edf\u94c1\u6c27\u4f53\u62e5\u6709\u5173\u952e\u4f18\u52bf\u3002\u94c1\u6c27\u4f53\u78c1\u4f53\u5177\u6709\u4f18\u5f02\u7684\u70ed\u7a33\u5b9a\u6027\uff0c\u53ef\u9006\u6e29\u5ea6\u7cfb\u6570\u975e\u5e38\u4f4e\uff08\u7ea6-0.21%\/\u00b0C\uff09\u3002\u5728\u9ad8\u529f\u7387\u8fd0\u884c\u671f\u95f4\uff0c\u97f3\u5708\u5347\u6e29\u65f6\uff0c\u5176\u78c1\u5f3a\u5ea6\u4ec5\u7565\u5fae\u4e0b\u964d\u3002\u9495\u94c1\u787c\u7684\u8d1f\u7cfb\u6570\u5219\u9ad8\u5f97\u591a\uff08\u6807\u51c6\u7b49\u7ea7\u7ea6-0.12%\/\u00b0C\uff09\u3002\u867d\u7136\u6dfb\u52a0\u955d\u7684\u7b49\u7ea7\uff08H\u7ea7\u548cSH\u7ea7\uff09\u6709\u6240\u6539\u5584\uff0c\u4f46\u5982\u679c\u9a71\u52a8\u5355\u5143\u7684\u70ed\u8bbe\u8ba1\u4e0d\u4f73\uff0c\u8fc7\u70ed\u53ef\u80fd\u5bfc\u81f4\u4e0d\u53ef\u9006\u9000\u78c1\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u8d85\u9ad8\u529f\u7387\u3001\u8fde\u7eed\u5de5\u4f5c\u5e94\u7528\uff08\u5982\u6269\u58f0\u7cfb\u7edf\u4e2d\u7684\u4f4e\u97f3\u70ae\uff09\uff0c\u4f18\u8d28\u94c1\u6c27\u4f53\u78c1\u4f53\u901a\u5e38\u4ecd\u662f\u66f4\u5b89\u5168\u7684\u9009\u62e9\u3002.<\/p>\n\n\n
\n \u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/strong><\/th>\n \u9495\u94c1\u787c\uff08\u9495\uff09\u78c1\u4f53<\/strong><\/th>\n \u94c1\u6c27\u4f53\uff08\u9676\u74f7\uff09\u78c1\u4f53<\/strong><\/th>\n<\/tr>\n<\/thead>\n\n \n \u78c1\u5f3a\u5ea6<\/strong><\/td>\n \u6781\u9ad8\uff08\u5e38\u89c1\u5269\u78c11.0 \u2013 1.4 T\uff09<\/td>\n \u4e2d\u7b49\uff08\u5e38\u89c1\u5269\u78c10.2 \u2013 0.4 T\uff09<\/td>\n<\/tr>\n \n \u7075\u654f\u5ea6\u589e\u76ca<\/strong><\/td>\n \u9ad8\uff08\u5178\u578b+2\u81f3+4 dB\uff09<\/td>\n \u57fa\u51c6\u7ebf<\/td>\n<\/tr>\n \n \u91cd\u91cf\u4e0e\u5c3a\u5bf8<\/strong><\/td>\n \u975e\u5e38\u5c0f\u4e14\u8f7b<\/td>\n \u7b49\u6548\u78c1\u901a\u4e0b\u5927\u4e14\u91cd<\/td>\n<\/tr>\n \n \u70ed\u7a33\u5b9a\u6027<\/strong><\/td>\n \u4e2d\u7b49\u81f3\u826f\u597d\uff08\u53d6\u51b3\u4e8e\u7b49\u7ea7\uff09\uff1b\u7ea680-150\u00b0C\u4ee5\u4e0a\u6709\u9000\u78c1\u98ce\u9669<\/td>\n \u4f18\u5f02\uff1b\u7a33\u5b9a\u81f3\u7ea6250\u00b0C\u4ee5\u4e0a<\/td>\n<\/tr>\n \n \u8010\u8150\u8680\u6027<\/strong><\/td>\n \u5dee\uff08\u9700\u8981\u9540\u5c42\uff1a\u954d\u3001\u950c\u3001\u73af\u6c27\u6811\u8102\uff09<\/td>\n \u4f18\u5f02\uff08\u56fa\u6709\u8010\u8150\u8680\u6027\uff09<\/td>\n<\/tr>\n \n \u8106\u6027<\/strong><\/td>\n \u975e\u5e38\u8106<\/td>\n \u8106\uff0c\u4f46\u4e0d\u5982\u9495\u94c1\u787c\u4e25\u91cd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\u6210\u672c\u5206\u6790\u4e0e\u4f9b\u5e94\u94fe\u8003\u91cf<\/h2>\n
\n\u94c1\u6c27\u4f53\u78c1\u4f53\u7531\u4e30\u5bcc\u4e14\u5ec9\u4ef7\u7684\u6750\u6599\uff08\u6c27\u5316\u94c1\uff09\u5236\u6210\u3002\u5176\u5236\u9020\u867d\u7136\u80fd\u8017\u9ad8\uff0c\u4f46\u5de5\u827a\u6210\u719f\u4e14\u6210\u672c\u6548\u76ca\u9ad8\u3002\u622a\u81f32024\u5e74\uff0c\u94c1\u6c27\u4f53\u78c1\u4f53\u6210\u672c\u7ea6\u4e3a\u6bcf\u516c\u65a4$2\u81f3$5\u3002 \u9495\u94c1\u787c\u78c1\u4f53\u4f9d\u8d56\u7a00\u571f\u5143\u7d20\uff0c\u4e3b\u8981\u662f\u9495\u548c\u9568\u3002\u5176\u4ef7\u683c\u6ce2\u52a8\u8f83\u5927\uff0c\u53d7\u5730\u7f18\u653f\u6cbb\u56e0\u7d20\u548c\u91c7\u77ff\u914d\u989d\uff08\u5c24\u5176\u662f\u6765\u81ea\u4e3b\u5bfc\u4f9b\u5e94\u7684\u4e2d\u56fd\uff09\u5f71\u54cd\u3002\u867d\u7136\u4ef7\u683c\u5df2\u4ece\u65e9\u671f\u5cf0\u503c\u7a33\u5b9a\u4e0b\u6765\uff0c\u4f46\u4ecd\u663e\u8457\u8f83\u9ad8\u3002\u6807\u51c6\u7b49\u7ea7\u9495\u94c1\u787c\u6210\u672c\u7ea6\u4e3a\u6bcf\u516c\u65a4$50\u81f3$100\u3002\u9ad8\u6e29\u3001\u8010\u8150\u8680\u7b49\u7ea7\u5219\u66f4\u6602\u8d35\u3002<\/strong>.<\/p>\n
\n\u964d\u4f4e\u7684\u8fd0\u8f93\u91cd\u91cf\uff1a<\/p>\n\n
\nFerrite supply chains are robust and decentralized. NdFeB supply is concentrated, creating potential strategic vulnerabilities. Environmental, Social, and Governance (ESG) concerns are also growing. Ferrite production is energy-intensive, while rare-earth mining has a significant environmental footprint if not managed responsibly. This is increasingly influencing procurement decisions in major corporations.<\/p>\n
\nApplication-Based Recommendations: Choosing the Right Tool for the Job<\/h2>\n
\n
\n
\nThe Future of Magnet Technology in Audio<\/h2>\n
\n\u0623\u0633\u0626\u0644\u0629 \u0648\u0623\u062c\u0648\u0628\u0629 \u0627\u062d\u062a\u0631\u0627\u0641\u064a\u0629<\/h2>\n
\nA: For standard consumer use, the risk is very low. Demagnetization occurs if the magnet’s “maximum operating temperature” is exceeded, often due to prolonged extreme power that overheats the voice coil. Reputable manufacturers design their drivers with a significant safety margin, using appropriate NdFeB grades (e.g., 38SH, 40UH) for the expected thermal load. The risk is higher in poorly designed, overdriven pro-audio subwoofers. For such applications, premium ferrite or high-grade NdFeB with robust thermal management is essential.<\/p>\n
\nA: Not inherently. The magnet type influences parameters like efficiency and damping, but the overall sound quality is a holistic design achievement\u2014the cone material, surround, suspension, motor linearity, and enclosure play equal or greater roles. A superbly engineered ferrite driver will sound vastly superior to a poorly engineered NdFeB driver. However, NdFeB’s advantages allow designers to push performance boundaries in compact formats that would be impossible with ferrite.<\/p>\n
\nA: While no commercial-ready technology currently threatens to displace NdFeB and Ferrite in mainstream audio, there is active research. “Green magnets” aiming to use fewer or no rare-earth elements are a major focus. Nanostructured composite magnets and iron nitride (Fe16N2) research show theoretical promise with very high magnetization, but manufacturability and cost remain significant hurdles. For the foreseeable next decade, evolution within the NdFeB and ferrite families, along with hybrid systems, will dominate.<\/p>\n
\nA: Extremely significant. For example, a high-end 12-inch pro-audio woofer might use a 5-6 lb ferrite magnet assembly. An NdFeB version achieving similar output could use a magnet weighing less than 1 lb. For a line array with 12 such drivers, that’s a weight reduction of over 50 lbs just in magnets, dramatically reducing rigging demands and shipping costs. In a Bluetooth speaker, it’s the difference between a portable device and a desk-bound one.<\/p>","protected":false},"excerpt":{"rendered":"