{"id":655,"date":"2026-06-10T14:32:58","date_gmt":"2026-06-10T07:32:58","guid":{"rendered":"https:\/\/namsaogroup.net\/dareaudio\/loa-sub-bs21-bandpass-21-inch-6000w-139db\/"},"modified":"2026-06-10T15:27:40","modified_gmt":"2026-06-10T08:27:40","slug":"loa-sub-bs21-bandpass-21-inch-6000w-139db","status":"publish","type":"product","link":"https:\/\/namsaogroup.net\/dareaudio\/loa-sub-bs21-bandpass-21-inch-6000w-139db\/","title":{"rendered":"Loa Sub BS21 – Bandpass 21 inch – 6000W 139db"},"content":{"rendered":"

Thi\u1ebft k\u1ebf bandpass t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t d\u1ea3i tr\u1ea7m<\/h2>\n

Thi\u1ebft k\u1ebf 1 loa bass 21 inch cho ph\u00e9p BS21 t\u1ea1o ra \u00e1p l\u1ef1c \u00e2m l\u1edbn trong d\u1ea3i t\u1ea7n th\u1ea5p, gi\u00fap h\u1ec7 th\u1ed1ng gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u00e0y v\u00e0 chi\u1ec1u s\u00e2u c\u1ee7a \u00e2m thanh ngay c\u1ea3 khi ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c c\u00f4ng su\u1ea5t cao. Kh\u00e1c v\u1edbi c\u00e1c d\u00f2ng sub th\u00f4ng th\u01b0\u1eddng, BS21 \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac bandpass subwoofer, cho ph\u00e9p t\u1eadp trung n\u0103ng l\u01b0\u1ee3ng \u00e2m thanh trong d\u1ea3i t\u1ea7n tr\u1ea7m quan tr\u1ecdng, h\u1ea1n ch\u1ebf th\u1ea5t tho\u00e1t v\u00e0 gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng m\u00e9o ti\u1ebfng khi ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c.<\/p>\n

C\u1ea5u tr\u00fac n\u00e0y gi\u00fap \u00e2m bass c\u1ee7a BS21 c\u00f3 \u0111\u1ed9 g\u1ecdn, ch\u1eafc v\u00e0 r\u00f5 kh\u1ed1i, \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 v\u1edbi c\u00e1c th\u1ec3 lo\u1ea1i nh\u1ea1c c\u1ea7n l\u1ef1c \u0111\u00e1nh m\u1ea1nh nh\u01b0 EDM, DJ, live band hay c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh bi\u1ec3u di\u1ec5n ngo\u00e0i tr\u1eddi. Nh\u1edd kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t d\u1ea3i tr\u1ea7m t\u1ed1t, \u00e2m bass kh\u00f4ng b\u1ecb k\u00e9o \u0111u\u00f4i hay \u00f9 n\u1ec1n, g\u00f3p ph\u1ea7n gi\u1eef s\u1ef1 c\u00e2n b\u1eb1ng cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n

Hi\u1ec7u su\u1ea5t m\u1ea1nh m\u1ebd cho v\u1eadn h\u00e0nh c\u01b0\u1eddng \u0111\u1ed9 cao<\/h2>\n

BS21 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u1eadn h\u00e0nh \u1edf c\u01b0\u1eddng \u0111\u1ed9 l\u1edbn v\u1edbi c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1t. Khi k\u1ebft h\u1ee3p c\u00f9ng amplifier ph\u00f9 h\u1ee3p, loa cho m\u1ee9c \u00e1p l\u1ef1c \u00e2m \u1ea5n t\u01b0\u1ee3ng, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ph\u1ee7 v\u00e0 \u0111\u1ed9 d\u00e0y bass cho kh\u00f4ng gian r\u1ed9ng.<\/p>\n

\u0110\u1ed9 nh\u1ea1y cao gi\u00fap BS21 khai th\u00e1c hi\u1ec7u qu\u1ea3 c\u00f4ng su\u1ea5t ampli, t\u1eeb \u0111\u00f3 t\u1ed1i \u01b0u chi ph\u00ed \u0111\u1ea7u t\u01b0 h\u1ec7 th\u1ed1ng m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng th\u1ef1c t\u1ebf. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb cho thu\u00ea \u00e2m thanh ho\u1eb7c h\u1ec7 th\u1ed1ng bi\u1ec3u di\u1ec5n chuy\u00ean nghi\u1ec7p c\u1ea7n s\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p>\n

Ph\u00f9 h\u1ee3p cho nhi\u1ec1u m\u00f4 h\u00ecnh h\u1ec7 th\u1ed1ng \u00e2m thanh<\/h2>\n

Trong th\u1ef1c t\u1ebf tri\u1ec3n khai, BS21 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m sub n\u1ec1n cho h\u1ec7 th\u1ed1ng line array ho\u1eb7c loa full c\u00f4ng su\u1ea5t l\u1edbn. Khi gh\u00e9p nhi\u1ec1u th\u00f9ng, kh\u1ea3 n\u0103ng c\u1ed9ng h\u01b0\u1edfng d\u1ea3i tr\u1ea7m \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng r\u00f5 r\u1ec7t, gi\u00fap h\u1ec7 th\u1ed1ng t\u1ea1o ra n\u1ec1n bass s\u00e2u v\u00e0 c\u00f3 l\u1ef1c, \u0111\u00e1p \u1ee9ng t\u1ed1t c\u00e1c s\u00e2n kh\u1ea5u c\u00f3 y\u00eau c\u1ea7u \u00e2m thanh m\u1ea1nh.<\/p>\n

Thi\u1ebft k\u1ebf th\u00f9ng loa ch\u1eafc ch\u1eafn gi\u00fap BS21 v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ngo\u00e0i tr\u1eddi ho\u1eb7c c\u00e1c s\u1ef1 ki\u1ec7n k\u00e9o d\u00e0i nhi\u1ec1u gi\u1edd li\u00ean t\u1ee5c.<\/p>\n

L\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho \u0111\u01a1n v\u1ecb cho thu\u00ea v\u00e0 thi c\u00f4ng \u00e2m thanh<\/h2>\n

V\u1edbi c\u1ea5u tr\u00fac bandpass \u0111\u1eb7c th\u00f9 c\u00f9ng k\u00edch th\u01b0\u1edbc 21 inch, BS21 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho c\u00e1c \u0111\u01a1n v\u1ecb thi c\u00f4ng h\u1ec7 th\u1ed1ng \u00e2m thanh, nh\u00e0 th\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ty cho thu\u00ea thi\u1ebft b\u1ecb bi\u1ec3u di\u1ec5n. Kh\u1ea3 n\u0103ng t\u1ea1o \u00e1p l\u1ef1c \u00e2m l\u1edbn, \u0111\u1ed9 b\u1ec1n cao v\u00e0 d\u1ec5 gh\u00e9p h\u1ec7 th\u1ed1ng gi\u00fap loa \u0111\u00e1p \u1ee9ng linh ho\u1ea1t nhi\u1ec1u m\u00f4 h\u00ecnh s\u00e2n kh\u1ea5u kh\u00e1c nhau.<\/p>\n

BS21 kh\u00f4ng ch\u1ec9 \u0111\u00f3ng vai tr\u00f2 t\u0103ng c\u01b0\u1eddng d\u1ea3i tr\u1ea7m m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n ho\u00e0n thi\u1ec7n ch\u1ea5t \u00e2m t\u1ed5ng th\u1ec3, gi\u00fap h\u1ec7 th\u1ed1ng \u0111\u1ea1t hi\u1ec7u qu\u1ea3 tr\u00ecnh di\u1ec5n chuy\u00ean nghi\u1ec7p v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p>\n

PVSOUND \u2013 \u0110\u01a1n v\u1ecb cung c\u1ea5p gi\u1ea3i ph\u00e1p \u00e2m thanh \u0111\u1ed3ng b\u1ed9<\/h2>\n

V\u1edbi kinh nghi\u1ec7m tri\u1ec3n khai nhi\u1ec1u h\u1ec7 th\u1ed1ng \u00e2m thanh bi\u1ec3u di\u1ec5n chuy\u00ean nghi\u1ec7p, PVSOUND kh\u00f4ng ch\u1ec9 cung c\u1ea5p thi\u1ebft b\u1ecb m\u00e0 c\u00f2n mang \u0111\u1ebfn gi\u1ea3i ph\u00e1p t\u1ed5ng th\u1ec3, t\u1eeb t\u01b0 v\u1ea5n c\u1ea5u h\u00ecnh, l\u1ef1a ch\u1ecdn loa subwoofer ph\u00f9 h\u1ee3p cho t\u1eebng kh\u00f4ng gian \u0111\u1ebfn t\u1ed1i \u01b0u ph\u1ed1i gh\u00e9p ampli v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u. Vi\u1ec7c \u0111\u1ed3ng b\u1ed9 gi\u1eefa loa sub, loa full v\u00e0 h\u1ec7 th\u1ed1ng khu\u1ebfch \u0111\u1ea1i gi\u00fap khai th\u00e1c t\u1ed1i \u0111a hi\u1ec7u su\u1ea5t c\u1ee7a BS21, \u0111\u1ea3m b\u1ea3o \u00e2m tr\u1ea7m m\u1ea1nh, g\u1ecdn v\u00e0 \u1ed5n \u0111\u1ecbnh trong su\u1ed1t qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. Nh\u1edd am hi\u1ec3u s\u00e2u v\u1ec1 k\u1ef9 thu\u1eadt v\u00e0 th\u1ef1c t\u1ebf thi c\u00f4ng, PVSOUND h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng \u00e2m thanh hi\u1ec7u qu\u1ea3, b\u1ec1n b\u1ec9 v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p>\n

S\u1ea3n ph\u1ea9m \u0111\u1ea1t ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng qu\u1ed1c t\u1ebf<\/h2>\n

L\u00e0 th\u01b0\u01a1ng hi\u1ec7u nghi\u00ean c\u1ee9u, ph\u00e1t tri\u1ec3n v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m thi\u1ebft b\u1ecb \u00e2m thanh chuy\u00ean nghi\u1ec7p, Dare Audio lu\u00f4n \u0111\u1eb7t ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 y\u1ebfu t\u1ed1 h\u00e0ng \u0111\u1ea7u v\u00e0 then ch\u1ed1t trong su\u1ed1t qu\u00e1 tr\u00ecnh n\u00e0y. S\u1ea3n ph\u1ea9m tr\u01b0\u1edbc khi \u0111\u01b0a ra th\u1ecb tr\u01b0\u1eddng \u0111\u00e3 v\u01b0\u1ee3t qua 03 v\u00f2ng ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a RoHS, CE-EMC Directive v\u00e0 CE-LVD Directive.<\/p>\n

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

Thi\u1ebft k\u1ebf bandpass t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t d\u1ea3i tr\u1ea7m Thi\u1ebft k\u1ebf 1 loa bass 21 inch cho ph\u00e9p BS21 t\u1ea1o ra \u00e1p l\u1ef1c \u00e2m l\u1edbn trong d\u1ea3i t\u1ea7n th\u1ea5p, gi\u00fap h\u1ec7 th\u1ed1ng gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u00e0y v\u00e0 chi\u1ec1u s\u00e2u c\u1ee7a \u00e2m thanh ngay c\u1ea3 khi ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c c\u00f4ng su\u1ea5t cao. Kh\u00e1c v\u1edbi c\u00e1c […]\n","protected":false},"featured_media":902,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[44],"product_tag":[],"class_list":["post-655","product","type-product","status-publish","has-post-thumbnail","product_cat-bs-series-loa-sub","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/namsaogroup.net\/dareaudio\/wp-json\/wp\/v2\/product\/655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/namsaogroup.net\/dareaudio\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/namsaogroup.net\/dareaudio\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/namsaogroup.net\/dareaudio\/wp-json\/wp\/v2\/comments?post=655"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/namsaogroup.net\/dareaudio\/wp-json\/wp\/v2\/media\/902"}],"wp:attachment":[{"href":"https:\/\/namsaogroup.net\/dareaudio\/wp-json\/wp\/v2\/media?parent=655"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/namsaogroup.net\/dareaudio\/wp-json\/wp\/v2\/product_brand?post=655"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/namsaogroup.net\/dareaudio\/wp-json\/wp\/v2\/product_cat?post=655"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/namsaogroup.net\/dareaudio\/wp-json\/wp\/v2\/product_tag?post=655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}