{"type":"product","schema_version":"1.0","item_id":"101163048305","canonical_url":"https://tw.bid.yahoo.com/item/101163048305","title":"►2712-2715◄9767 6050咪頭 9*7mm 6*5mm電容式駐極體話筒 麥克風(高靈敏度56db)","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-19T16:53:14.186Z","current_price":4,"original_price":null,"stock_status":"in_stock","available_quantity":200,"sold_quantity":17,"seller":{"id":"Y2849097376","name":"宇倉電子-全館(已含稅)開發票","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/b54bd55b-ec91-4384-b563-f1c19517667d.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/60e231b5-5c12-4b16-81e5-27cfb534a163.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/55992fe5-b143-4c22-9580-5aa402148dce.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/42104799-12f4-47c3-96db-44ab17f09826.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/e4ee3bc6-38b5-41a2-a1e7-5c38c3e28858.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null}],"description":"售價為1個價格\n\n駐極體話筒具有體積小、結構簡單、電聲性能好、價格低的特點，廣泛用於盒式答錄機、無線話筒及聲控等電路中。屬於最常用的電容話筒。\n\n \n\n由於輸入和輸出阻抗很高，所以要在這種話筒外殼內設置一個場效應管作為阻抗轉換器，為此駐極體電容式話筒在工作時需要直流工作電壓(接到外殼的是負極,另一端為正極)。\n\n \n\n駐極體話筒的特性參數\n\n工作電壓4.5~10V \n\n工作電流Ids 小於1mA\n\n輸出阻抗：小於2.2K（歐姆）\n\n靈敏度單位：V/Pa\n\n頻率回應一般較為平坦\n\n \n\n指向性全向","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092073513","category_name":"其他耗材","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092073513","name":"其他耗材","url":"/tw/%E5%85%B6%E4%BB%96%E8%80%97%E6%9D%90-2092073513-category.html"}],"view_count":2,"watch_count":0}