{"id":734,"date":"2025-10-20T09:57:09","date_gmt":"2025-10-20T02:57:09","guid":{"rendered":"http:\/\/trungpro.com.vn\/wordpress\/?p=734"},"modified":"2025-10-20T09:57:12","modified_gmt":"2025-10-20T02:57:12","slug":"%f0%9f%a7%a0-so-sanh-bo-cong-suat-va-ic-xu-huong-am-thanh-hien-nay","status":"publish","type":"post","link":"https:\/\/trungpro.com.vn\/wordpress\/%f0%9f%a7%a0-so-sanh-bo-cong-suat-va-ic-xu-huong-am-thanh-hien-nay\/","title":{"rendered":"\ud83e\udde0 So s\u00e1nh bo c\u00f4ng su\u1ea5t v\u00e0 IC \u2013 Xu h\u01b0\u1edbng \u00e2m thanh hi\u1ec7n nay"},"content":{"rendered":"\n

\u2e3b<\/p>\n\n\n\n

1. Gi\u1edbi thi\u1ec7u<\/strong><\/p>\n\n\n\n

Trong th\u1ebf gi\u1edbi \u00e2m thanh, bo c\u00f4ng su\u1ea5t<\/strong> v\u00e0 IC c\u00f4ng su\u1ea5t<\/strong> l\u00e0 hai y\u1ebfu t\u1ed1 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a ampli. M\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, v\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p t\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, nhu c\u1ea7u v\u1ec1 c\u00f4ng su\u1ea5t, \u0111\u1ed9 b\u1ec1n v\u00e0 ch\u1ea5t \u00e2m.<\/p>\n\n\n\n

\"\ud83e\udde0
\ud83e\udde0 So s\u00e1nh bo c\u00f4ng su\u1ea5t v\u00e0 IC \u2013 Xu h\u01b0\u1edbng \u00e2m thanh hi\u1ec7n nay<\/em><\/figcaption><\/figure>\n\n\n\n

B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa bo c\u00f4ng su\u1ea5t d\u00f9ng s\u00f2 v\u00e0 IC c\u00f4ng su\u1ea5t<\/strong>, \u0111\u1ed3ng th\u1eddi n\u1eafm b\u1eaft xu h\u01b0\u1edbng \u00e2m thanh hi\u1ec7n nay<\/strong> \u0111ang d\u1ea7n chuy\u1ec3n d\u1ecbch ra sao.<\/p>\n\n\n\n

\u2e3b<\/p>\n\n\n\n

2. Bo c\u00f4ng su\u1ea5t l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n

Bo c\u00f4ng su\u1ea5t (Power Board)<\/strong> l\u00e0 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u00e2m thanh s\u1eed d\u1ee5ng s\u00f2 c\u00f4ng su\u1ea5t (transistor)<\/strong> r\u1eddi. \u0110\u00e2y l\u00e0 d\u1ea1ng truy\u1ec1n th\u1ed1ng, \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn trong c\u00e1c ampli \u0111\u1eddi c\u0169 ho\u1eb7c ampli chuy\u00ean nghi\u1ec7p<\/strong>.<\/p>\n\n\n\n

\ud83d\udd39 \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

\u2022 D\u1ec5 s\u1eeda ch\u1eefa, thay th\u1ebf t\u1eebng linh ki\u1ec7n khi h\u1ecfng.<\/p>\n\n\n\n

\u2022 Cho \u00e2m thanh \u1ea5m, d\u00e0y, trung th\u1ef1c<\/strong>, \u0111\u01b0\u1ee3c gi\u1edbi ch\u01a1i \u00e2m thanh chuy\u00ean nghi\u1ec7p \u01b0a chu\u1ed9ng.<\/p>\n\n\n\n

\u2022 C\u00f3 th\u1ec3 t\u00f9y bi\u1ebfn c\u00f4ng su\u1ea5t<\/strong> theo s\u1ed1 l\u01b0\u1ee3ng s\u00f2 v\u00e0 c\u00e1ch thi\u1ebft k\u1ebf m\u1ea1ch.<\/p>\n\n\n\n

\u2022 \u0110\u1ed9 b\u1ec1n cao n\u1ebfu t\u1ea3n nhi\u1ec7t t\u1ed1t.<\/p>\n\n\n\n

\ud83d\udd39 Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

\u2022 M\u1ea1ch ph\u1ee9c t\u1ea1p, nhi\u1ec1u linh ki\u1ec7n, t\u1ed1n di\u1ec7n t\u00edch.<\/p>\n\n\n\n

\u2022 D\u1ec5 sinh nhi\u1ec7t, ti\u00eau t\u1ed1n \u0111i\u1ec7n n\u0103ng.<\/p>\n\n\n\n

\u2022 C\u1ea7n k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 kinh nghi\u1ec7m khi c\u00e2n ch\u1ec9nh.<\/p>\n\n\n\n

\u2e3b<\/p>\n\n\n\n

3. IC c\u00f4ng su\u1ea5t l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n

IC c\u00f4ng su\u1ea5t (Integrated Circuit Amplifier)<\/strong> l\u00e0 chip khu\u1ebfch \u0111\u1ea1i t\u00edch h\u1ee3p<\/strong>, ch\u1ee9a to\u00e0n b\u1ed9 m\u1ea1ch c\u00f4ng su\u1ea5t trong m\u1ed9t kh\u1ed1i IC duy nh\u1ea5t. C\u00e1c ampli \u0111\u1eddi m\u1edbi, loa k\u00e9o, hay thi\u1ebft b\u1ecb mini hi\u1ec7n nay \u0111a ph\u1ea7n d\u00f9ng IC c\u00f4ng su\u1ea5t.<\/p>\n\n\n\n

\ud83d\udd39 \u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

\u2022 Thi\u1ebft k\u1ebf g\u1ecdn, ti\u1ebft ki\u1ec7m kh\u00f4ng gian v\u00e0 \u0111i\u1ec7n n\u0103ng<\/strong>.<\/p>\n\n\n\n

\u2022 D\u1ec5 l\u1eafp r\u00e1p, gi\u00e1 th\u00e0nh th\u1ea5p.<\/p>\n\n\n\n

\u2022 Ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, \u00edt c\u1ea7n c\u0103n ch\u1ec9nh ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n

\u2022 M\u1ed9t s\u1ed1 IC hi\u1ec7n \u0111\u1ea1i (nh\u01b0 TDA, TAS, ICEpower, ho\u1eb7c class D) cho hi\u1ec7u su\u1ea5t r\u1ea5t cao<\/strong>, \u00edt sinh nhi\u1ec7t.<\/p>\n\n\n\n

\ud83d\udd39 Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n

\u2022 Kh\u00f3 s\u1eeda ch\u1eefa \u2013 h\u01b0 th\u01b0\u1eddng ph\u1ea3i thay IC m\u1edbi.<\/p>\n\n\n\n

\u2022 Ch\u1ea5t \u00e2m c\u00f3 th\u1ec3 m\u1ecfng v\u00e0 kh\u00f4 h\u01a1n<\/strong> so v\u1edbi bo s\u00f2 truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n

\u2022 Kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u1ea7n c\u00f4ng su\u1ea5t l\u1edbn, ch\u1ecbu t\u1ea3i n\u1eb7ng.<\/p>\n\n\n\n

\u2e3b<\/p>\n\n\n\n

4. So s\u00e1nh chi ti\u1ebft bo c\u00f4ng su\u1ea5t v\u00e0 IC<\/strong><\/p>\n\n\n\n

Ti\u00eau ch\u00ed<\/strong> Bo c\u00f4ng su\u1ea5t (S\u00f2)<\/strong> IC c\u00f4ng su\u1ea5t<\/strong><\/p>\n\n\n\n

C\u1ea5u tr\u00fac<\/strong> Linh ki\u1ec7n r\u1eddi, m\u1ea1ch ph\u1ee9c t\u1ea1p T\u00edch h\u1ee3p trong chip IC<\/p>\n\n\n\n

\u00c2m thanh<\/strong> \u1ea4m, th\u1eadt, m\u1ea1nh m\u1ebd G\u1ecdn, s\u1ea1ch, \u00edt m\u00e9o<\/p>\n\n\n\n

C\u00f4ng su\u1ea5t<\/strong> D\u1ec5 m\u1edf r\u1ed9ng, t\u00f9y ch\u1ec9nh C\u00f3 gi\u1edbi h\u1ea1n theo IC<\/p>\n\n\n\n

Hi\u1ec7u su\u1ea5t<\/strong> Th\u1ea5p h\u01a1n, t\u1ecfa nhi\u1ec7t nhi\u1ec1u Cao, ti\u1ebft ki\u1ec7m \u0111i\u1ec7n<\/p>\n\n\n\n

\u0110\u1ed9 b\u1ec1n<\/strong> Cao n\u1ebfu l\u00e0m m\u00e1t t\u1ed1t \u1ed4n \u0111\u1ecbnh nh\u01b0ng kh\u00f3 s\u1eeda<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng<\/strong> Ampli karaoke, s\u00e2n kh\u1ea5u, nghe nh\u1ea1c hi-fi Loa k\u00e9o, ampli mini, TV, soundbar<\/p>\n\n\n\n

\u2e3b<\/p>\n\n\n\n

5. Xu h\u01b0\u1edbng \u00e2m thanh hi\u1ec7n nay<\/strong><\/p>\n\n\n\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng chuy\u1ec3n d\u1ea7n t\u1eeb bo c\u00f4ng su\u1ea5t truy\u1ec1n th\u1ed1ng sang IC c\u00f4ng su\u1ea5t hi\u1ec7n \u0111\u1ea1i<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c IC Class D<\/strong> c\u00f3 hi\u1ec7u su\u1ea5t l\u00ean \u0111\u1ebfn 90\u201395%.<\/p>\n\n\n\n

C\u00e1c thi\u1ebft b\u1ecb \u00e2m thanh di \u0111\u1ed9ng, loa k\u00e9o, soundbar hay ampli nh\u1ecf g\u1ecdn \u01b0a chu\u1ed9ng IC c\u00f4ng su\u1ea5t<\/strong> v\u00ec ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

Tuy nhi\u00ean, v\u1edbi d\u00e2n ch\u01a1i \u00e2m thanh chuy\u00ean nghi\u1ec7p<\/strong>, bo c\u00f4ng su\u1ea5t d\u00f9ng s\u00f2<\/strong> v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u nh\u1edd ch\u1ea5t \u00e2m m\u1ed9c m\u1ea1c, trung th\u1ef1c v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh cao<\/strong>.<\/p>\n\n\n\n

\ud83d\udc49 N\u00f3i c\u00e1ch kh\u00e1c: IC l\u00e0 xu h\u01b0\u1edbng \u2013 nh\u01b0ng s\u00f2 v\u1eabn l\u00e0 \u0111\u1eb3ng c\u1ea5p!<\/strong><\/p>\n\n\n\n

\u2e3b<\/p>\n\n\n\n

6. N\u00ean ch\u1ecdn lo\u1ea1i n\u00e0o?<\/strong><\/p>\n\n\n\n

\u2022 N\u1ebfu b\u1ea1n c\u1ea7n thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn, \u00edt hao \u0111i\u1ec7n, ti\u1ec7n l\u1ee3i<\/strong>, h\u00e3y ch\u1ecdn ampli d\u00f9ng IC c\u00f4ng su\u1ea5t<\/strong>.<\/p>\n\n\n\n

\u2022 N\u1ebfu b\u1ea1n y\u00eau c\u1ea7u \u00e2m thanh th\u1eadt, m\u1ea1nh, v\u00e0 d\u1ec5 s\u1eeda ch\u1eefa<\/strong>, th\u00ec bo c\u00f4ng su\u1ea5t s\u00f2<\/strong> v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng gi\u00e1.<\/p>\n\n\n\n

\u2e3b<\/p>\n\n\n\n

7. K\u1ebft lu\u1eadn<\/strong><\/p>\n\n\n\n

C\u1ea3 bo c\u00f4ng su\u1ea5t s\u00f2<\/strong> v\u00e0 IC c\u00f4ng su\u1ea5t<\/strong> \u0111\u1ec1u c\u00f3 v\u1ecb tr\u00ed ri\u00eang trong th\u1ebf gi\u1edbi \u00e2m thanh. Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u s\u1eed d\u1ee5ng, ng\u00e2n s\u00e1ch v\u00e0 gu nghe nh\u1ea1c<\/strong> c\u1ee7a m\u1ed7i ng\u01b0\u1eddi.<\/p>\n\n\n\n

Xu h\u01b0\u1edbng hi\u1ec7n nay h\u01b0\u1edbng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 g\u1ecdn nh\u1eb9<\/strong>, nh\u01b0ng ch\u1ea5t \u00e2m ch\u00e2n th\u1ef1c<\/strong> v\u1eabn lu\u00f4n l\u00e0 gi\u00e1 tr\u1ecb c\u1ed1t l\u00f5i khi\u1ebfn bo s\u00f2 truy\u1ec1n th\u1ed1ng ch\u01b0a bao gi\u1edd \u201cl\u1ed7i th\u1eddi\u201d<\/strong>.<\/p>\n\n\n\n

\u2e3b<\/p>\n\n\n\n

\ud83d\udd0d T\u1eeb kh\u00f3a g\u1ee3i \u00fd SEO:<\/strong><\/p>\n\n\n\n

\u2022 so s\u00e1nh bo c\u00f4ng su\u1ea5t v\u00e0 IC<\/p>\n\n\n\n

\u2022 xu h\u01b0\u1edbng \u00e2m thanh hi\u1ec7n nay<\/p>\n\n\n\n

\u2022 bo c\u00f4ng su\u1ea5t d\u00f9ng s\u00f2 l\u00e0 g\u00ec<\/p>\n\n\n\n

\u2022 IC c\u00f4ng su\u1ea5t class D<\/p>\n\n\n\n

\u2022 ampli d\u00f9ng s\u00f2 v\u00e0 ampli IC<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong th\u1ebf gi\u1edbi \u00e2m thanh, bo c\u00f4ng su\u1ea5t v\u00e0 IC c\u00f4ng su\u1ea5t l\u00e0 hai y\u1ebfu t\u1ed1 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a ampli. M\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, v\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p t\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, nhu c\u1ea7u v\u1ec1 c\u00f4ng su\u1ea5t, \u0111\u1ed9 b\u1ec1n v\u00e0 ch\u1ea5t \u00e2m.<\/p>\n","protected":false},"author":1,"featured_media":735,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[251],"tags":[275,276,185],"class_list":["post-734","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe-thiet-bi","tag-bo-cong-suat","tag-ic","tag-so-sanh"],"yoast_head":"\n\ud83e\udde0 So s\u00e1nh bo c\u00f4ng su\u1ea5t v\u00e0 IC \u2013 Xu h\u01b0\u1edbng \u00e2m thanh hi\u1ec7n nay - TrungPro.com.vn<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/trungpro.com.vn\/wordpress\/\ud83e\udde0-so-sanh-bo-cong-suat-va-ic-xu-huong-am-thanh-hien-nay\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud83e\udde0 So s\u00e1nh bo c\u00f4ng su\u1ea5t v\u00e0 IC \u2013 Xu h\u01b0\u1edbng \u00e2m thanh hi\u1ec7n nay - TrungPro.com.vn\" \/>\n<meta property=\"og:description\" content=\"Trong th\u1ebf gi\u1edbi \u00e2m thanh, bo c\u00f4ng su\u1ea5t v\u00e0 IC c\u00f4ng su\u1ea5t l\u00e0 hai y\u1ebfu t\u1ed1 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a ampli. 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