美国SHURE/舒尔 MX418D/C 有线鹅颈会议话筒 18吋咪杆会议鹅颈 双鹅颈 含底座带3米边接线

{"ops":[{"insert":"18\u82f1\u5bf8\u684c\u9762\u9e45\u9888\u5fae\u578b\u7535\u5bb9\u8bdd\u7b52\u3001\u5e2610\u82f1\u5c3a\u7535\u7f06\u7684\u684c\u9762\u5e95\u5ea7\u3001\u6263\u5408\u5f0f\u6ce1\u6cab\u9632\u98ce\u7f69\u3002\r\n \r\n\t\u8bdd\u7b52\u89c4\u683c\r\n \r\n\t\u4f20\u611f\u5668\u7c7b\u578b: \u7535\u5bb9\r\n \r\n\t\u62fe\u97f3\u6a21\u5f0f: \u5fc3\u5f62\r\n \r\n\t\u9891\u7387\u54cd\u5e94: 50 Hz-17 KHz\r\n \r\n\t\u7075\u654f\u5ea6 (dBV\/Pa): \u5fc3\u5f62 -33.5 dBV\/Pa\r\n \r\n\t\u7075\u654f\u5ea6 (mV\/Pa): \u5fc3\u5f62 21.1 mV\/Pa\r\n \r\n\t\u7b49\u6548\u81ea\u566a:29.0 dB(A)\r\n \r\n\t\u58f0\u538b: 123.0 dB\r\n \r\n\t\u7535\u6e90\u8981\u6c42\uff1a11 \u81f3 52 Vdc\uff0c\u5e7b\u8c61\uff0c2.0 mA \u00a0\u00a0\r\n \r\n\t\u73af\u5883\u8981\u6c42\r\n \r\n\t\u4f7f\u7528\u6e29\u5ea6\u8303\u56f4\uff1a-18 \u81f3 57 \u6444\u6c0f\u5ea6\uff080 \u81f3 135 \u534e\u6c0f\u5ea6\uff09\r\n \r\n\t\u76f8\u5bf9\u6e7f\u5ea6\uff1a0 \u81f3 95%\r\n \r\n\t\u91cd\u91cf\uff1a0.82Kg\r\n"},{"insert":"\n"}]}