{"id":20742,"date":"2019-02-21T23:50:29","date_gmt":"2019-02-21T16:50:29","guid":{"rendered":"https:\/\/www.baohoxanh.com\/blog\/?p=20742"},"modified":"2026-09-02T19:02:56","modified_gmt":"2026-09-02T12:02:56","slug":"nut-tai-chong-on-gia-tot-uy-tin-tai-khu-vuc-thu-duc","status":"publish","type":"post","link":"https:\/\/www.baohoxanh.com\/blog\/nut-tai-chong-on-gia-tot-uy-tin-tai-khu-vuc-thu-duc\/","title":{"rendered":"N\u00fat Tai Ch\u1ed1ng \u1ed2n 3M 1110 &#8211; Th\u00f4ng S\u1ed1 V\u00e0 C\u00e1ch D\u00f9ng"},"content":{"rendered":"<p>M\u1ed9t m\u00e3 h\u00e0ng b\u00e1n ch\u1ea1y th\u01b0\u1eddng b\u1ecb m\u00f4 t\u1ea3 sai nhi\u1ec1u nh\u1ea5t. Tr\u00ean th\u1ecb tr\u01b0\u1eddng trong n\u01b0\u1edbc, m\u1eabu 3M 1110 hay b\u1ecb ghi nh\u1ea7m l\u00e0 h\u00e0ng silicone, ghi nh\u1ea7m ch\u1ec9 s\u1ed1 gi\u1ea3m \u1ed3n, ho\u1eb7c ghi m\u1ed9t con s\u1ed1 m\u00e0 kh\u00f4ng n\u00f3i theo h\u1ec7 n\u00e0o. B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ecdc l\u1ea1i t\u1eebng d\u00f2ng trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt m\u00e0 h\u00e3ng c\u00f4ng b\u1ed1, r\u1ed3i chuy\u1ec3n th\u00e0nh nh\u1eefng vi\u1ec7c c\u1ee5 th\u1ec3 khi ch\u1ecdn c\u1ee1, khi nh\u00e9t, khi t\u00ednh \u0111\u1ecbnh m\u1ee9c v\u00e0 khi nh\u1eadn h\u00e0ng.<\/p>\n<h2>N\u00fat Tai Ch\u1ed1ng \u1ed2n 3M 1110 N\u1eb1m \u1ede \u0110\u00e2u Trong D\u00f2ng 1100<\/h2>\n<p>1100 v\u00e0 1110 l\u00e0 hai b\u1ea3n c\u1ee7a c\u00f9ng m\u1ed9t th\u00e2n n\u00fat. B\u1ea3n 1100 kh\u00f4ng d\u00e2y, b\u1ea3n 1110 c\u00f3 d\u00e2y n\u1ed1i b\u1eb1ng s\u1ee3i polyester. T\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a h\u00e3ng ghi r\u00f5 ch\u1ec9 s\u1ed1 gi\u1ea3m \u1ed3n c\u1ee7a hai b\u1ea3n b\u1eb1ng nhau, v\u00ec ph\u1ea7n quy\u1ebft \u0111\u1ecbnh l\u00e0 th\u00e2n n\u00fat n\u1eb1m trong \u1ed1ng tai ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1ee3i d\u00e2y.<\/p>\n<p>\u0110\u00e2y l\u00e0 nh\u00f3m thi\u1ebft b\u1ecb nh\u00e9t trong \u1ed1ng tai, x\u00e9t theo b\u1ed9 ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u th\u00ec thu\u1ed9c ph\u1ea7n EN 352-2, t\u00e1ch ri\u00eang kh\u1ecfi ch\u1ee5p tai \u00fap ngo\u00e0i. Bi\u1ebft \u0111i\u1ec1u n\u00e0y c\u00f3 \u00edch khi \u0111\u1ecdc h\u1ed3 s\u01a1: m\u1ed9t ch\u1ee9ng nh\u1eadn ghi EN 352-1 kh\u00f4ng \u00e1p cho m\u1eabu n\u00e0y \u0111\u01b0\u1ee3c.<\/p>\n<p>V\u1ecb tr\u00ed h\u1ee3p v\u1edbi m\u1eabu 1110 l\u00e0 nh\u1eefng ch\u1ed7 ph\u1ea3i \u0111eo li\u00ean t\u1ee5c nhi\u1ec1u gi\u1edd trong m\u00f4i tr\u01b0\u1eddng n\u00f3ng \u1ea9m, ch\u1ed7 ch\u1eadt kh\u00f4ng lu\u1ed3n \u0111\u1ea7u qua \u0111\u01b0\u1ee3c n\u1ebfu \u0111eo th\u00eam c\u1ed1c \u00fap, v\u00e0 ch\u1ed7 ng\u01b0\u1eddi th\u1ee3 \u0111\u00e3 \u0111\u1ed9i m\u0169 c\u1ee9ng k\u00e8m k\u00ednh n\u00ean vi\u1ec1n \u0111\u1ec7m c\u1ee7a ch\u1ee5p tai kh\u00f4ng c\u00f2n \u0103n kh\u00edt.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/10\/nut-tai-chong-on-3m-1110.jpg\" alt=\"C\u1eb7p n\u00fat tai 3M 1110 m\u00e0u cam v\u1edbi d\u00e2y n\u1ed1i m\u00e0u tr\u1eafng\" loading=\"lazy\" width=\"500\" height=\"500\" title=\"\"><\/p>\n<h2>B\u1ecdt Polyurethane H\u1ed3i Ch\u1eadm V\u00e0 Th\u00e2n H\u00ecnh C\u00f4n<\/h2>\n<p>Theo b\u1ea3n th\u00f4ng s\u1ed1 c\u1ee7a h\u00e3ng, th\u00e2n n\u00fat l\u00e0m t\u1eeb b\u1ecdt polyurethane h\u1ed3i ch\u1eadm, d\u00e2y n\u1ed1i b\u1eb1ng polyester. Hai t\u1eeb kh\u00f3a c\u1ea7n ch\u00fa \u00fd l\u00e0 <em>polyurethane<\/em> v\u00e0 <em>h\u1ed3i ch\u1eadm<\/em>.<\/p>\n<p>Polyurethane ngh\u0129a l\u00e0 \u0111\u00e2y kh\u00f4ng ph\u1ea3i n\u00fat silicone. B\u1ecdt x\u1ed1p ng\u1eadm n\u01b0\u1edbc v\u00e0 ng\u1eadm m\u1ed3 h\u00f4i, r\u1eeda xong kh\u00f4ng tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u, n\u00ean m\u1ecdi h\u01b0\u1edbng d\u1eabn ki\u1ec3u <q>r\u1eeda s\u1ea1ch d\u00f9ng ti\u1ebfp<\/q> \u00e1p cho m\u1eabu n\u00e0y \u0111\u1ec1u sai. Nh\u1eefng b\u1ea3n m\u00f4 t\u1ea3 ghi ch\u1ea5t li\u1ec7u silicone cho m\u00e3 1110 l\u00e0 d\u1ea5u hi\u1ec7u ng\u01b0\u1eddi b\u00e1n ch\u00e9p l\u1ea1i n\u1ed9i dung c\u1ee7a m\u1ed9t s\u1ea3n ph\u1ea9m kh\u00e1c.<\/p>\n<p>H\u1ed3i ch\u1eadm l\u00e0 \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt c\u00f3 ch\u1ee7 \u0111\u00edch. B\u1ecdt n\u1edf ch\u1eadm cho ng\u01b0\u1eddi \u0111eo \u0111\u1ee7 th\u1eddi gian \u0111\u1ea9y n\u00fat v\u00e0o \u0111\u00fang \u0111\u1ed9 s\u00e2u tr\u01b0\u1edbc khi n\u00f3 b\u1eaft \u0111\u1ea7u b\u00e1m th\u00e0nh \u1ed1ng tai. \u0110\u1ed5i l\u1ea1i, ng\u01b0\u1eddi n\u00e0o th\u1ea3 tay qu\u00e1 s\u1edbm s\u1ebd th\u1ea5y n\u00fat b\u1ecb \u0111\u1ea9y ng\u01b0\u1ee3c ra ngo\u00e0i.<\/p>\n<p>Th\u00e2n n\u00fat thi\u1ebft k\u1ebf d\u1ea1ng c\u00f4n, \u0111\u1ea7u nh\u1ecf h\u01a1n \u0111u\u00f4i. D\u1ea3i c\u1ee1 c\u00f4ng b\u1ed1 l\u00e0 t\u1eeb 6 mm t\u1edbi 13 mm t\u00ednh theo \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng tai m\u00e0 n\u00fat \u00f4m \u0111\u01b0\u1ee3c. Con s\u1ed1 n\u00e0y gi\u1ea3i th\u00edch v\u00ec sao m\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u00f3 \u1ed1ng tai r\u1ea5t nh\u1ecf lu\u00f4n th\u1ea5y v\u01b0\u1edbng: h\u1ecd n\u1eb1m ngo\u00e0i d\u1ea3i c\u1ee1 v\u00e0 c\u1ea7n m\u1ed9t model th\u00e2n m\u1ea3nh h\u01a1n ch\u1ee9 kh\u00f4ng c\u1ea7n c\u1ed1 nh\u00e9t m\u1ea1nh h\u01a1n.<\/p>\n<h2>\u0110\u1ecdc B\u1ea3ng Ch\u1ec9 S\u1ed1 Gi\u1ea3m \u1ed2n C\u00f4ng B\u1ed1 Cho M\u1eabu N\u00e0y<\/h2>\n<p>B\u1ea3n th\u00f4ng s\u1ed1 ph\u00e1t h\u00e0nh cho th\u1ecb tr\u01b0\u1eddng ch\u00e2u \u00c2u ghi ch\u1ec9 s\u1ed1 t\u1ed5ng h\u1ee3p SNR 35 dB, k\u00e8m ba con s\u1ed1 theo d\u1ea3i t\u1ea7n: H 33 dB, M 33 dB, L 31 dB. B\u1ea3n b\u00e1n t\u1ea1i B\u1eafc M\u1ef9 ghi theo h\u1ec7 kh\u00e1c, NRR 29 dB. Hai con s\u1ed1 kh\u00f4ng m\u00e2u thu\u1eabn nhau v\u00ec ch\u00fang \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng hai c\u00f4ng th\u1ee9c kh\u00e1c nhau tr\u00ean c\u00f9ng m\u1ed9t b\u1ed9 d\u1eef li\u1ec7u \u0111o.<\/p>\n<p>\u0110i\u1ec3m \u0111\u00e1ng d\u00f9ng nh\u1ea5t l\u1ea1i l\u00e0 b\u1ed9 ba H, M, L. Ba gi\u00e1 tr\u1ecb g\u1ea7n b\u1eb1ng nhau cho bi\u1ebft m\u1eabu n\u00e0y gi\u1ea3m \u1ed3n kh\u00e1 \u0111\u1ec1u tr\u00ean to\u00e0n d\u1ea3i, k\u1ec3 c\u1ea3 v\u00f9ng t\u1ea7n th\u1ea5p d\u01b0\u1edbi 500 Hz \u2014 v\u00f9ng m\u00e0 nhi\u1ec1u lo\u1ea1i n\u00fat tai t\u1ee5t r\u00f5. \u1ede x\u01b0\u1edfng c\u00f3 m\u00e1y n\u00e9n kh\u00ed, qu\u1ea1t h\u00fat c\u00f4ng su\u1ea5t l\u1edbn hay \u0111\u1ed9ng c\u01a1 diesel, gi\u00e1 tr\u1ecb L cao l\u00e0 l\u1ee3i th\u1ebf th\u1ef1c ch\u1ee9 kh\u00f4ng ph\u1ea3i con s\u1ed1 trang tr\u00ed.<\/p>\n<p>To\u00e0n b\u1ed9 b\u1ea3ng suy gi\u1ea3m theo t\u1eebng d\u1ea3i octave, k\u00e8m \u0111\u1ed9 l\u1ec7ch chu\u1ea9n c\u1ee7a ph\u00e9p \u0111o, n\u1eb1m trong <a href=\"https:\/\/multimedia.3m.com\/mws\/media\/2075312O\/3m-1100-earplugs-technical-datasheet-nl-notified-body-eu-version.pdf\" target=\"_blank\" rel=\"noopener nofollow\">b\u1ea3n th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt cho m\u00e3 1100 v\u00e0 1110<\/a> do h\u00e3ng ph\u00e1t h\u00e0nh. Khi b\u1ed9 ph\u1eadn an to\u00e0n l\u1eadp h\u1ed3 s\u01a1 ch\u1ecdn thi\u1ebft b\u1ecb, n\u00ean l\u01b0u nguy\u00ean b\u1ea3n t\u00e0i li\u1ec7u n\u00e0y thay v\u00ec ch\u00e9p l\u1ea1i m\u1ed9t con s\u1ed1 duy nh\u1ea5t.<\/p>\n<p>M\u1ed9t l\u01b0u \u00fd b\u1eaft bu\u1ed9c: con s\u1ed1 c\u00f4ng b\u1ed1 \u0111\u1ebfn t\u1eeb ph\u00f2ng th\u00ed nghi\u1ec7m, tr\u00ean nh\u00f3m ng\u01b0\u1eddi \u0111\u00e3 \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n \u0111eo \u0111\u00fang. Ngo\u00e0i x\u01b0\u1edfng, m\u1ee9c \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 n\u1ebfu kh\u00f4ng hu\u1ea5n luy\u1ec7n thao t\u00e1c nh\u00e9t. \u0110\u00f3 c\u0169ng l\u00e0 l\u00fd do m\u1eabu n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 \u0111o \u0111\u1ed9 kh\u00edt c\u00e1 nh\u00e2n c\u1ee7a h\u00e3ng, cho ph\u00e9p ki\u1ec3m tr\u1ef1c ti\u1ebfp t\u1eebng ng\u01b0\u1eddi thay v\u00ec suy \u0111o\u00e1n.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2017\/02\/nut-tai-chong-on-3m-1110.jpg\" alt=\"N\u00fat tai 3M 1110 nh\u00ecn nghi\u00eang, th\u1ea5y r\u00f5 th\u00e2n thu\u00f4n d\u1ea1ng c\u00f4n\" loading=\"lazy\" width=\"500\" height=\"500\" title=\"\"><\/p>\n<h2>V\u00ea Nh\u1ecf V\u00e0 Gi\u1eef \u0110\u1ee7 Hai M\u01b0\u01a1i \u0110\u1ebfn Ba M\u01b0\u01a1i Gi\u00e2y<\/h2>\n<p>Th\u00e2n b\u1ecdt h\u1ed3i ch\u1eadm ch\u1ec9 ph\u00e1t huy \u0111\u00fang khi ng\u01b0\u1eddi \u0111eo t\u00f4n tr\u1ecdng nh\u1ecbp th\u1eddi gian c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n<ul>\n<li><strong>V\u00ea:<\/strong> l\u0103n th\u00e2n n\u00fat gi\u1eefa hai ng\u00f3n cho t\u1edbi khi \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf h\u01a1n h\u1eb3n \u1ed1ng tai. V\u00ea h\u1eddi h\u1ee3t, th\u00e2n c\u00f2n ph\u1ed3ng, n\u00fat s\u1ebd d\u1eebng ngay \u1edf c\u1eeda \u1ed1ng.<\/li>\n<li><strong>\u0110\u01b0a v\u00e0o:<\/strong> \u0111\u1ea9y n\u00fat theo h\u01b0\u1edbng \u1ed1ng tai \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m th\u1eb3ng, \u0111\u1ee7 s\u00e2u \u0111\u1ec3 ph\u1ea7n l\u1edbn th\u00e2n n\u1eb1m b\u00ean trong.<\/li>\n<li><strong>Gi\u1eef:<\/strong> \u0111\u1eb7t \u0111\u1ea7u ng\u00f3n tay t\u1ef3 v\u00e0o \u0111u\u00f4i n\u00fat trong kho\u1ea3ng hai m\u01b0\u01a1i \u0111\u1ebfn ba m\u01b0\u01a1i gi\u00e2y. \u0110\u00e2y l\u00e0 kho\u1ea3ng th\u1eddi gian b\u1ecdt c\u1ea7n \u0111\u1ec3 n\u1edf h\u1ebft v\u00e0 b\u00e1m k\u00edn.<\/li>\n<li><strong>Ki\u1ec3m:<\/strong> \u0111\u1ee9ng y\u00ean nghe m\u1ed9t ti\u1ebfng \u1ed3n \u1ed5n \u0111\u1ecbnh, r\u1ed3i b\u1ecbt v\u00e0 b\u1ecf tay kh\u1ecfi tai. \u00c2m thanh g\u1ea7n nh\u01b0 kh\u00f4ng \u0111\u1ed5i th\u00ec n\u00fat \u0111\u00e3 \u0103n kh\u00edt.<\/li>\n<\/ul>\n<p>Trong x\u01b0\u1edfng, ba m\u01b0\u01a1i gi\u00e2y l\u00e0 kho\u1ea3ng th\u1eddi gian d\u00e0i h\u01a1n ng\u01b0\u1eddi ta t\u01b0\u1edfng. C\u00e1ch l\u00e0m hi\u1ec7u qu\u1ea3 l\u00e0 g\u1eafn thao t\u00e1c n\u00e0y v\u00e0o m\u1ed9t vi\u1ec7c s\u1eb5n c\u00f3 \u2014 nh\u00e9t n\u00fat r\u1ed3i \u0111i b\u1ed9 t\u1eeb ph\u00f2ng thay \u0111\u1ed3 t\u1edbi v\u1ecb tr\u00ed m\u00e1y, tay v\u1eabn gi\u1eef tai su\u1ed1t \u0111o\u1ea1n \u0111\u01b0\u1eddng \u0111\u00f3 \u2014 thay v\u00ec y\u00eau c\u1ea7u ng\u01b0\u1eddi th\u1ee3 \u0111\u1ee9ng \u0111\u1ebfm.<\/p>\n<p>Th\u00e1o ra c\u0169ng c\u00f3 c\u00e1ch. Xoay nh\u1eb9 r\u1ed3i k\u00e9o t\u1eeb t\u1eeb \u0111\u1ec3 kh\u00f4ng t\u1ea1o \u00e1p su\u1ea5t \u00e2m \u0111\u1ed9t ng\u1ed9t l\u00ean m\u00e0ng nh\u0129; gi\u1eadt m\u1ea1nh l\u00e0 th\u00f3i quen g\u00e2y \u0111au tai v\u00e0 khi\u1ebfn ng\u01b0\u1eddi th\u1ee3 ng\u1ea1i \u0111eo l\u1ea1i \u1edf ca sau.<\/p>\n<h2>D\u00f9ng M\u1ed9t L\u1ea7n Hay D\u00f9ng L\u1ea1i V\u00e0 \u0110\u1ecbnh M\u1ee9c C\u1ea5p Ph\u00e1t Theo H\u1ed9p<\/h2>\n<p>H\u00e3ng x\u1ebfp m\u1eabu n\u00e0y v\u00e0o nh\u00f3m d\u00f9ng m\u1ed9t l\u1ea7n. Trong th\u1ef1c t\u1ebf v\u1eadn h\u00e0nh, m\u1ed1c h\u1ee3p l\u00fd l\u00e0 m\u1ed9t \u0111\u00f4i cho m\u1ed7i ca; n\u1ebfu th\u00e1o ra gi\u1eefa ca v\u00e0 th\u00e2n n\u00fat b\u1ecb b\u00e1m b\u1ee5i ho\u1eb7c d\u1ea7u th\u00ec b\u1ecf ngay, kh\u00f4ng nh\u00e9t l\u1ea1i.<\/p>\n<p>V\u1ec1 quy c\u00e1ch, d\u00f2ng n\u00e0y th\u01b0\u1eddng \u0111\u00f3ng theo h\u1ed9p m\u1ed9t tr\u0103m \u0111\u00f4i v\u00e0 th\u00f9ng n\u0103m tr\u0103m \u0111\u00f4i. Con s\u1ed1 \u0111\u00f3 h\u1eefu \u00edch khi l\u1eadp \u0111\u1ecbnh m\u1ee9c: m\u1ed9t t\u1ed5 hai m\u01b0\u01a1i ng\u01b0\u1eddi ch\u1ea1y ba ca th\u00ec ti\u00eau kho\u1ea3ng m\u1ed9t h\u1ed9p m\u1ed7i hai ng\u00e0y, ch\u01b0a t\u00ednh ph\u1ea7n hao. Bi\u1ebft \u0111i\u1ec1u \u0111\u00f3 gi\u00fap tr\u00e1nh hai l\u1ed7i th\u01b0\u1eddng g\u1eb7p: \u0111\u1eb7t qu\u00e1 \u00edt r\u1ed3i h\u1ebft h\u00e0ng gi\u1eefa th\u00e1ng, ho\u1eb7c \u0111\u1eb7t c\u1ea3 n\u0103m r\u1ed3i \u0111\u1ec3 t\u1ed3n kho qu\u00e1 h\u1ea1n l\u01b0u.<\/p>\n<p>C\u00e1ch b\u1ed1 tr\u00ed \u0111i\u1ec3m ph\u00e1t c\u0169ng \u1ea3nh h\u01b0\u1edfng t\u1edbi l\u01b0\u1ee3ng ti\u00eau th\u1ee5. H\u1ed9p \u0111\u1eb7t s\u00e1t c\u1eeda v\u00e0o v\u00f9ng \u1ed3n l\u00e0m t\u0103ng t\u1ec9 l\u1ec7 \u0111eo nh\u01b0ng c\u0169ng l\u00e0m t\u0103ng l\u01b0\u1ee3ng l\u1ea5y d\u01b0; b\u00f9 l\u1ea1i, chi ph\u00ed \u0111\u00f3 nh\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi m\u1ed9t h\u1ed3 s\u01a1 gi\u00e1m \u0111\u1ecbnh suy gi\u1ea3m th\u00ednh l\u1ef1c. C\u00e1c d\u00f2ng b\u1ea3o v\u1ec7 tai kh\u00e1c d\u00f9ng cho v\u1ecb tr\u00ed kh\u00f4ng h\u1ee3p nh\u00e9t trong n\u1eb1m \u1edf <a href=\"https:\/\/www.baohoxanh.com\/bao-ho-tai\">trang b\u1ecb b\u1ea3o v\u1ec7 tai cho nh\u00e0 x\u01b0\u1edfng<\/a>, c\u00f2n c\u00e1c m\u00e3 c\u00f9ng ki\u1ec3u nh\u00e9t trong xem \u1edf <a href=\"https:\/\/www.baohoxanh.com\/nut-tai-chong-on\">c\u00e1c m\u00e3 n\u00fat tai kh\u00e1c \u0111ang b\u00e1n<\/a>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2018\/01\/nut-tai-chong-on-3m-1110-BVT0001.jpg\" alt=\"N\u00fat tai 3M 1110 m\u00e3 BVT0001 k\u00e8m d\u00e2y n\u1ed1i, \u1ea3nh ch\u1ee5p tr\u00ean n\u1ec1n tr\u1eafng\" loading=\"lazy\" width=\"500\" height=\"500\" title=\"\"><\/p>\n<h2>Ph\u00e2n Bi\u1ec7t H\u00e0ng Th\u1eadt Qua Bao B\u00ec V\u00e0 Ch\u1ee9ng T\u1eeb<\/h2>\n<p>Nh\u00f3m h\u00e0ng ti\u00eau hao gi\u00e1 th\u1ea5p l\u00e0 nh\u00f3m b\u1ecb l\u00e0m gi\u1ea3 nhi\u1ec1u nh\u1ea5t, v\u00ec ng\u01b0\u1eddi mua hi\u1ebfm khi \u0111\u00f2i h\u1ed3 s\u01a1 cho m\u1ed9t m\u1eb7t h\u00e0ng b\u00e9. Nh\u1eefng th\u1ee9 n\u00ean ki\u1ec3m khi nh\u1eadn l\u00f4:<\/p>\n<ul>\n<li><strong>M\u00e3 tr\u00ean h\u1ed9p v\u00e0 tr\u00ean th\u00f9ng ph\u1ea3i tr\u00f9ng nhau.<\/strong> H\u1ed9p ghi 1110 m\u00e0 th\u00f9ng ghi m\u00e3 kh\u00e1c l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u00f3ng g\u00f3i l\u1ea1i.<\/li>\n<li><strong>C\u00f3 t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng k\u00e8m theo h\u1ed9p<\/strong>, k\u00e8m th\u00f4ng tin v\u1ec1 h\u1ea1n l\u01b0u kho v\u00e0 th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng.<\/li>\n<li><strong>Nh\u00e3n ghi k\u00e8m t\u00ean h\u1ec7 ch\u1ec9 s\u1ed1.<\/strong> M\u1ed9t con s\u1ed1 tr\u1ea7n kh\u00f4ng k\u00e8m ch\u1eef SNR hay NRR l\u00e0 th\u00f4ng tin kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu.<\/li>\n<li><strong>M\u00e0u v\u00e0 \u0111\u1ed9 h\u1ed3i c\u1ee7a b\u1ecdt.<\/strong> B\u00f3p m\u1ed9t n\u00fat r\u1ed3i th\u1ea3 tay: h\u00e0ng \u0111\u00fang n\u1edf l\u1ea1i t\u1eeb t\u1eeb v\u00e0 \u0111\u1ec1u; h\u00e0ng nh\u00e1i th\u01b0\u1eddng b\u1eadt l\u1ea1i ngay ho\u1eb7c n\u1edf l\u1ec7ch m\u1ed9t b\u00ean.<\/li>\n<li><strong>M\u00f9i.<\/strong> B\u1ecdt c\u00f3 m\u00f9i h\u00f3a ch\u1ea5t g\u1eaft l\u00e0 l\u00fd do t\u1eeb ch\u1ed1i l\u00f4, v\u00ec v\u1eadt li\u1ec7u n\u00e0y n\u1eb1m trong \u1ed1ng tai nhi\u1ec1u gi\u1edd m\u1ed7i ng\u00e0y.<\/li>\n<li><strong>Ch\u1ee9ng t\u1eeb \u0111\u1ea7u v\u00e0o.<\/strong> Y\u00eau c\u1ea7u h\u00f3a \u0111\u01a1n ghi \u0111\u00fang m\u00e3 v\u00e0 ch\u1ee9ng t\u1eeb nh\u1eadp kh\u1ea9u c\u1ee7a l\u00f4; \u0111\u00e2y l\u00e0 th\u1ee9 duy nh\u1ea5t truy \u0111\u01b0\u1ee3c ng\u01b0\u1ee3c khi c\u00f3 tranh ch\u1ea5p.<\/li>\n<\/ul>\n<p>Th\u00f4ng s\u1ed1 v\u00e0 quy c\u00e1ch \u0111\u00f3ng h\u1ed9p c\u1ee7a m\u00e3 \u0111ang b\u00e1n xem tr\u1ef1c ti\u1ebfp \u1edf <a href=\"https:\/\/www.baohoxanh.com\/nut-tai-chong-on-3m-1110-bvt0001.html\">trang s\u1ea3n ph\u1ea9m m\u00e3 BVT0001<\/a>. V\u1edbi v\u1ecb tr\u00ed v\u1eeba \u1ed3n v\u1eeba nhi\u1ec1u b\u1ee5i m\u1ecbn, n\u00ean \u0111\u1eb7t k\u00e8m <a href=\"https:\/\/www.baohoxanh.com\/khau-trang-3m\">kh\u1ea9u trang 3M l\u1ecdc b\u1ee5i<\/a> \u0111\u1ec3 hai nh\u00f3m thi\u1ebft b\u1ecb c\u00f9ng m\u1ed9t \u0111\u1ea7u m\u1ed1i, ti\u1ec7n \u0111\u1ed1i chi\u1ebfu ch\u1ee9ng t\u1eeb v\u1ec1 sau.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2021\/01\/nut-tai-chong-on.jpg\" alt=\"N\u00fat tai b\u1ecdt x\u1ed1p n\u00e9n \u0111\u1ec3 r\u1eddi trong khay c\u1ea5p ph\u00e1t \u0111\u1ea7u ca\" loading=\"lazy\" width=\"620\" height=\"325\" title=\"\"><\/p>\n<h2>Ch\u1ec9 S\u1ed1 Gi\u1ea3m \u1ed2n Cao Nh\u1ea5t Kh\u00f4ng Ph\u1ea3i L\u00fac N\u00e0o C\u0169ng \u0110\u00fang<\/h2>\n<h3>1100 V\u00e0 1110 N\u00ean Ch\u1ecdn M\u00e3 N\u00e0o?<\/h3>\n<p>Ch\u1ecdn theo v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c ch\u1ee9 kh\u00f4ng theo gi\u00e1. C\u00f3 b\u1ed9 ph\u1eadn quay h\u1edf th\u00ec ph\u1ea3i l\u00e0 b\u1ea3n kh\u00f4ng d\u00e2y. C\u00f3 y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t d\u1ecb v\u1eadt ho\u1eb7c ph\u1ea3i ra v\u00e0o v\u00f9ng \u1ed3n li\u00ean t\u1ee5c th\u00ec ch\u1ecdn b\u1ea3n c\u00f3 d\u00e2y. Ch\u1ec9 s\u1ed1 gi\u1ea3m \u1ed3n c\u1ee7a hai b\u1ea3n nh\u01b0 nhau n\u00ean kh\u00f4ng ph\u1ea3i c\u00e2n nh\u1eafc \u1edf ti\u00eau ch\u00ed \u0111\u00f3.<\/p>\n<h3>C\u00f3 Nh\u1ea5t Thi\u1ebft Ph\u1ea3i Ch\u1ecdn Ch\u1ec9 S\u1ed1 Cao Nh\u1ea5t Kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. Gi\u1ea3m \u1ed3n qu\u00e1 m\u1ee9c so v\u1edbi m\u1ee9c \u0111o \u0111\u01b0\u1ee3c khi\u1ebfn ng\u01b0\u1eddi th\u1ee3 kh\u00f4ng nghe \u0111\u01b0\u1ee3c hi\u1ec7u l\u1ec7nh v\u00e0 ti\u1ebfng c\u1ea3nh b\u00e1o, k\u1ebft qu\u1ea3 l\u00e0 h\u1ecd t\u1ef1 th\u00e1o m\u1ed9t b\u00ean tai. \u0110o m\u1ee9c \u1ed3n th\u1ef1c t\u1ea1i v\u1ecb tr\u00ed r\u1ed3i ch\u1ecdn ch\u1ec9 s\u1ed1 v\u1eeba \u0111\u1ee7 \u0111\u1ec3 \u0111\u01b0a m\u1ee9c t\u1ea1i tai xu\u1ed1ng d\u01b0\u1edbi ng\u01b0\u1ee1ng cho ph\u00e9p.<\/p>\n<h3>Nh\u00e9t V\u00e0o Th\u1ea5y \u0110au Tai Th\u00ec X\u1eed L\u00fd Sao?<\/h3>\n<p>\u0110au th\u01b0\u1eddng do nh\u00e9t khi ch\u01b0a v\u00ea \u0111\u1ee7 nh\u1ecf ho\u1eb7c do \u1ed1ng tai n\u1eb1m ngo\u00e0i d\u1ea3i c\u1ee1 c\u1ee7a m\u1eabu. Th\u1eed l\u1ea1i \u0111\u00fang thao t\u00e1c m\u1ed9t l\u1ea7n; v\u1eabn \u0111au th\u00ec \u0111\u1ed5i sang th\u00e2n m\u1ea3nh h\u01a1n ho\u1eb7c chuy\u1ec3n sang ki\u1ec3u \u00fap ngo\u00e0i, kh\u00f4ng \u00e9p ng\u01b0\u1eddi \u0111eo ch\u1ecbu \u0111\u1ef1ng.<\/p>\n<h3>C\u00f3 Th\u1ec3 R\u1eeda \u0110\u1ec3 D\u00f9ng L\u1ea1i Cho Ca Sau Kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. B\u1ecdt polyurethane ng\u1eadm n\u01b0\u1edbc, sau khi r\u1eeda th\u00ec n\u1edf ch\u1eadm b\u1ea5t th\u01b0\u1eddng v\u00e0 kh\u00f4ng c\u00f2n b\u00e1m k\u00edn th\u00e0nh \u1ed1ng tai. Nhu c\u1ea7u d\u00f9ng l\u1ea1i n\u00ean gi\u1ea3i quy\u1ebft b\u1eb1ng m\u1ed9t model silicone t\u00e1i s\u1eed d\u1ee5ng ch\u1ee9 kh\u00f4ng b\u1eb1ng m\u1eabu b\u1ecdt x\u1ed1p n\u00e0y.<\/p>\n<h3>H\u1ed9p Ch\u01b0a M\u1edf \u0110\u1ec3 Kho \u0110\u01b0\u1ee3c Bao L\u00e2u?<\/h3>\n<p>C\u0103n theo h\u1ea1n l\u01b0u kho ghi trong t\u00e0i li\u1ec7u k\u00e8m theo v\u00e0 c\u1ea5t n\u01a1i kh\u00f4 m\u00e1t, tr\u00e1nh n\u1eafng chi\u1ebfu tr\u1ef1c ti\u1ebfp. Tia c\u1ef1c t\u00edm v\u00e0 nhi\u1ec7t l\u00e0m b\u1ecdt l\u00e3o h\u00f3a, m\u1ea5t \u0111\u1ed9 h\u1ed3i ngay c\u1ea3 khi h\u1ed9p ch\u01b0a b\u00f3c. Kho x\u1ebfp theo nguy\u00ean t\u1eafc h\u00e0ng nh\u1eadp tr\u01b0\u1edbc xu\u1ea5t tr\u01b0\u1edbc l\u00e0 \u0111\u1ee7.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ecdc l\u1ea1i th\u00f4ng s\u1ed1 3M 1110 theo t\u00e0i li\u1ec7u h\u00e3ng: b\u1ecdt polyurethane h\u1ed3i ch\u1eadm, SNR 35 dB v\u00e0 NRR 29 dB l\u00e0 hai h\u1ec7 kh\u00e1c nhau, d\u1ea3i c\u1ee1 \u1ed1ng tai 6\u201313 mm, c\u00e1ch v\u00ea nh\u00e9t v\u00e0 t\u00ednh \u0111\u1ecbnh m\u1ee9c theo h\u1ed9p.<\/p>\n","protected":false},"author":548,"featured_media":20271,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6919],"tags":[1610,179],"class_list":["post-20742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cac-bai-co-traffic","tag-bao-ve-tai-nut-tai-chong-on","tag-nut-tai-chong-on"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/20742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/users\/548"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=20742"}],"version-history":[{"count":9,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/20742\/revisions"}],"predecessor-version":[{"id":93163,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/20742\/revisions\/93163"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=20742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=20742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=20742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}