ZK-MT21 2.1 Channel Bluetooth 5.0 Digital Power Amplifier Module 50W*2+100W

.cs-head .cs-head .dc-cs:hover ,.dc-dock:hover .dc-cs .dock-rb .cs-top .cs-top @media (max-width:480px) .cs-top }.cs-top .cs-append ,.cs-bottom .cs-append ,.cs-bottom .cs-append , @media (max-width:480px) .cs-bottom }.cs-append ,.cs-bottom .cs-append, @media (min-width:640px) .cs-list-col7 .cs-list-col8 .cs-list-col9 .cs-list-col10 }.cs-list .cs-list:after,.cs-list:before .cs-list:after .cs-list>li .cs-append,.cs-bottom .cs-list-col6>li .cs-list-col7 .cs-list-col7>li .cs-list-col8 .cs-list-col8>li .cs-list-col9 .cs-list-col9>li .cs-list-col10 .cs-list-col10>li .cs-list-col11 .cs-list-col11>li .cs-list-col12 .cs-list-col12>li .cs-list-collapse .cs-list-collapse>li @media (max-width:800px) .cs-list .cs-list>li }@media (max-width:640px) .cs-list .cs-list>li }@media (max-width:480px) .cs-list .cs-list>li }.cs-list .cs-list a .cs-list a:hover .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .dc-cs * .cs-top .cs-append ,.cs-bottom ,.cs-top p:empty+hr hr+span.ebay .dc_tracker_img #ds_div>.dc_tracker_img:last-of-type [data-lid="135569935583"] [data-lid="135569935583"] [data-lid="135569935583"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135569935583"] [data-lid="135569935583"] [data-lid="135569935583"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] p:empty+hr hr+span.ebay body a a:hover img html,body body>table .layout .layout>.grid #ds_div >.grid .widget [class^=col-] .clearfix:before,.clearfix:after,.dl-horizontal dd:before,.dl-horizontal dd:after,.container:before,.container:after,.container-fluid:before,.container-fluid:after,.row:before,.row:after,.form-horizontal ,.form-horizontal ,.btn-toolbar:before,.btn-toolbar:after,.btn-group-vertical>.btn-group:before,.btn-group-vertical>.btn-group:after,.navi:before,.navi:after,.navbar:before,.navbar:after,.navbar-header:before,.navbar-header:after,.navbar-collapse:before,.navbar-collapse:after,.pager:before,.pager:after,.panel-body:before,.panel-body:after,.modal-footer:before,.modal-footer:after .clearfix:after,.dl-horizontal dd:after,.container:after,.container-fluid:after,.row:after,.form-horizontal ,.btn-toolbar:after,.btn-group-vertical>.btn-group:after,.navi:after,.navbar:after,.navbar-header:after,.navbar-collapse:after,.pager:after,.panel-body:after,.modal-footer:after .pic-tag-placeholder .pic-tag-placeholder.hide .pg-image-viewer .pg-image-zoomer @media screen and (max-width:768px) .layout>.grid .widget .multi-widget-fix }.widget-text .widget-text>:first-child .widget-text>:only-child .widget-text a .widget-text a:visited .widget-text a:hover .widget-text a:active .widget-text a:hover,.widget-text a:active .widget-text h1,.widget-text h2,.widget-text h3,.widget-text h4,.widget-text h5,.widget-text h6 .widget-text h1 .widget-text h2 .widget-text h3 .widget-text h4 .widget-text h5 .widget-text h6 .widget-text p,.widget-text div .widget-text>p,.widget-text>div,.widget-text>div>div,.widget-text>div>p .widget-text b,.widget-text strong .widget-text i,.widget-text em .widget-text u .widget-text strike,.widget-text del .widget-text ul,.widget-text ol .widget-text ul ul,.widget-text ul ol,.widget-text ol ul,.widget-text ol ol .widget-text ul ul,.widget-text ol ul .widget-text ul ul ul,.widget-text ol ul ul .widget-text ol .widget-text blockquote .widget-text blockquote>:first-child .widget-text pre .widget-text code .widget-text hr .widget-text table .widget-text table thead .widget-text table td,.widget-text table th .widget-text table.thin-border td,.widget-text table.thin-border th .widget-text table td.active .widget-text img .widget-text [data-indent="0"] .widget-text [data-indent="1"] .widget-text [data-indent="2"] .widget-text [data-indent="3"] .widget-text [data-indent="4"] .widget-text [data-indent="5"] .widget-text [data-indent="6"] .widget-text [data-indent="7"] .widget-text [data-indent="8"] .widget-text [data-indent="9"] .widget-text [data-indent="10"] .widget-text p[data-align=center],.widget-text h1[data-align=center],.widget-text h2[data-align=center],.widget-text h3[data-align=center],.widget-text h4[data-align=center] .widget-text p[data-align=left],.widget-text h1[data-align=left],.widget-text h2[data-align=left],.widget-text h3[data-align=left],.widget-text h4[data-align=left] .widget-text p[data-align=right],.widget-text h1[data-align=right],.widget-text h2[data-align=right],.widget-text h3[data-align=right],.widget-text h4[data-align=right] .navi .navi>li .navi>li>a .navi>li>a:hover,.navi>li>a:focus .navi>li.disabled>a .navi>li.disabled>a:hover,.navi>li.disabled>a:focus .navi >a,.navi >a:hover,.navi >a:focus .navi .navi>li>a>img .navi-tabs .navi>li>label .navi-tabs>li .navi-tabs>li>label .navi-tabs>li>label:hover .widget-tab +.tab-content .widget-tab .tab-pane-wrapper>.tab-pane .widget-tab-radio .widget-tab-radio:nth-of-type(1):checked~.navi-tabs>li:nth-of-type(1)>label,.widget-tab-radio:nth-of-type(2):checked~.navi-tabs>li:nth-of-type(2)>label,.widget-tab-radio:nth-of-type(3):checked~.navi-tabs>li:nth-of-type(3)>label,.widget-tab-radio:nth-of-type(4):checked~.navi-tabs>li:nth-of-type(4)>label,.widget-tab-radio:nth-of-type(5):checked~.navi-tabs>li:nth-of-type(5)>label,.widget-tab-radio:nth-of-type(6):checked~.navi-tabs>li:nth-of-type(6)>label,.widget-tab-radio:nth-of-type(7):checked~.navi-tabs>li:nth-of-type(7)>label,.widget-tab-radio:nth-of-type(8):checked~.navi-tabs>li:nth-of-type(8)>label,.widget-tab-radio:nth-of-type(9):checked~.navi-tabs>li:nth-of-type(9)>label,.widget-tab-radio:nth-of-type(10):checked~.navi-tabs>li:nth-of-type(10)>label .widget-tab-radio:nth-of-type(1):checked~.navi-tabs>li:nth-of-type(1)>label:after,.widget-tab-radio:nth-of-type(2):checked~.navi-tabs>li:nth-of-type(2)>label:after,.widget-tab-radio:nth-of-type(3):checked~.navi-tabs>li:nth-of-type(3)>label:after,.widget-tab-radio:nth-of-type(4):checked~.navi-tabs>li:nth-of-type(4)>label:after,.widget-tab-radio:nth-of-type(5):checked~.navi-tabs>li:nth-of-type(5)>label:after,.widget-tab-radio:nth-of-type(6):checked~.navi-tabs>li:nth-of-type(6)>label:after,.widget-tab-radio:nth-of-type(7):checked~.navi-tabs>li:nth-of-type(7)>label:after,.widget-tab-radio:nth-of-type(8):checked~.navi-tabs>li:nth-of-type(8)>label:after,.widget-tab-radio:nth-of-type(9):checked~.navi-tabs>li:nth-of-type(9)>label:after,.widget-tab-radio:nth-of-type(10):checked~.navi-tabs>li:nth-of-type(10)>label:after .widget-tab-radio:nth-of-type(1):checked~.tab-content .widget-tab-radio:nth-of-type(1):checked~.tab-content>.tab-pane-wrapper:nth-of-type(1)>.tab-pane,.widget-tab-radio:nth-of-type(2):checked~.tab-content>.tab-pane-wrapper:nth-of-type(2)>.tab-pane,.widget-tab-radio:nth-of-type(3):checked~.tab-content>.tab-pane-wrapper:nth-of-type(3)>.tab-pane,.widget-tab-radio:nth-of-type(4):checked~.tab-content>.tab-pane-wrapper:nth-of-type(4)>.tab-pane,.widget-tab-radio:nth-of-type(5):checked~.tab-content>.tab-pane-wrapper:nth-of-type(5)>.tab-pane,.widget-tab-radio:nth-of-type(6):checked~.tab-content>.tab-pane-wrapper:nth-of-type(6)>.tab-pane,.widget-tab-radio:nth-of-type(7):checked~.tab-content>.tab-pane-wrapper:nth-of-type(7)>.tab-pane,.widget-tab-radio:nth-of-type(8):checked~.tab-content>.tab-pane-wrapper:nth-of-type(8)>.tab-pane,.widget-tab-radio:nth-of-type(9):checked~.tab-content>.tab-pane-wrapper:nth-of-type(9)>.tab-pane,.widget-tab-radio:nth-of-type(10):checked~.tab-content>.tab-pane-wrapper:nth-of-type(10)>.tab-pane .navi-accordion-title .navi-pills>li .navi-pills>li>label .navi-pills>li+li .widget-tab-radio:nth-of-type(1):checked~.navi-pills>li:nth-of-type(1)>label,.widget-tab-radio:nth-of-type(2):checked~.navi-pills>li:nth-of-type(2)>label,.widget-tab-radio:nth-of-type(3):checked~.navi-pills>li:nth-of-type(3)>label,.widget-tab-radio:nth-of-type(4):checked~.navi-pills>li:nth-of-type(4)>label,.widget-tab-radio:nth-of-type(5):checked~.navi-pills>li:nth-of-type(5)>label,.widget-tab-radio:nth-of-type(6):checked~.navi-pills>li:nth-of-type(6)>label,.widget-tab-radio:nth-of-type(7):checked~.navi-pills>li:nth-of-type(7)>label,.widget-tab-radio:nth-of-type(8):checked~.navi-pills>li:nth-of-type(8)>label,.widget-tab-radio:nth-of-type(9):checked~.navi-pills>li:nth-of-type(9)>label,.widget-tab-radio:nth-of-type(10):checked~.navi-pills>li:nth-of-type(10)>label .navi-stacked>li .navi-stacked>li+li .widget-tab +.tab-content>.tab-pane-wrapper>.navi-accordion-title .widget-tab +.tab-content>.tab-pane-wrapper>.navi-accordion-title>label .widget-tab +.tab-content>.tab-pane-wrapper>.navi-accordion-title>label .navi-accordion-title>label .navi-tabs.flex,.navi-pills.flex .navi-tabs.flex>li,.navi-pills.flex>li .navi-tabs.flex>li>label,.navi-pills.flex>li>label @media only screen and (max-width:768px) .r-tabs .r-tabs }.widget-menu-checkbox .navi-menu .navi-title-content h4 .navi-menu-list .navi-menu-list.flex .navi-menu-vertical .navi-menu-list,.navi-menu-item,.navi-menu-item-children .navi-menu-item .navi-menu-list.flex .navi-menu-transverse .navi-menu-transverse .navi-menu-vertical .navi-menu-vertical .navi-menu-item-children .navi-menu-allow-hover:hover>.navi-menu-children .navi-menu-link .navi-menu-link:hover .navi-menu-children .navi-menu-transverse>.navi-menu-list>.navi-menu-has-children>.navi-menu-children .navi-menu-vertical .navi-menu-has-children>.navi-menu-link:after .navi-menu-horizontal >.navi-menu-link:after .navi-menu-link .navi-menu-toggle-bar @media screen and (max-width:768px) .navi-menu-toggle-bar .navi-menu-toggle .navi-menu-toggle:before,.navi-menu-toggle:after,.navi-menu-toggle span .navi-menu-toggle:before .navi-menu-toggle span .navi-menu-toggle:after .widget-menu-checkbox:checked~.navi-menu-toggle-bar>.navi-menu-toggle>span .widget-menu-checkbox:checked~.navi-menu-toggle-bar>.navi-menu-toggle:before .widget-menu-checkbox:checked~.navi-menu-toggle-bar>.navi-menu-toggle:after .navi-menu-item .navi-menu-item>.navi-menu-link .navi-menu-item-children .navi-menu-has-children>.navi-menu-link:after .navi-menu-list .widget-menu-checkbox:checked~.navi-menu-list .navi-menu-children }.widget-gallery-radio .r-gallery label .v-slide,.h-slide .v-slide .h-slide .slide .slide .slide .gallery-for >label .gallery-for >label:before .gallery-for:hover >label:before .gallery-for >label:hover:before .gallery-for >.prev .gallery-for >.prev:before .gallery-for >.next .gallery-for >.next:before .slide .gallery-nav label .v-slide label .h-slide .h-slide .h-slide label .v-slide *,.h-slide * .v-slide ,.h-slide .gallery-nav img .gallery-pic img .r-gallery.v-flat .v-flat .v-flat img .slide .gallery-dots label .gallery-dots label:before .slide ,.gallery-dots label:before @media only screen and (max-width:768px) .v-slide ,.h-slide .v-slide ,.h-slide .v-slide .v-slide,.h-slide .slide .gallery-for .gallery-for img .gallery-for >label:before .widget-gallery-radio:nth-of-type(1):checked~.gallery-dots label:nth-of-type(1):before,.widget-gallery-radio:nth-of-type(2):checked~.gallery-dots label:nth-of-type(2):before,.widget-gallery-radio:nth-of-type(3):checked~.gallery-dots label:nth-of-type(3):before,.widget-gallery-radio:nth-of-type(4):checked~.gallery-dots label:nth-of-type(4):before,.widget-gallery-radio:nth-of-type(5):checked~.gallery-dots label:nth-of-type(5):before,.widget-gallery-radio:nth-of-type(6):checked~.gallery-dots label:nth-of-type(6):before,.widget-gallery-radio:nth-of-type(7):checked~.gallery-dots label:nth-of-type(7):before,.widget-gallery-radio:nth-of-type(8):checked~.gallery-dots label:nth-of-type(8):before,.widget-gallery-radio:nth-of-type(9):checked~.gallery-dots label:nth-of-type(9):before,.widget-gallery-radio:nth-of-type(10):checked~.gallery-dots label:nth-of-type(10):before,.widget-gallery-radio:nth-of-type(11):checked~.gallery-dots label:nth-of-type(11):before,.widget-gallery-radio:nth-of-type(12):checked~.gallery-dots label:nth-of-type(12):before,.widget-gallery-radio:nth-of-type(13):checked~.gallery-dots label:nth-of-type(13):before,.widget-gallery-radio:nth-of-type(14):checked~.gallery-dots label:nth-of-type(14):before,.widget-gallery-radio:nth-of-type(15):checked~.gallery-dots label:nth-of-type(15):before,.widget-gallery-radio:nth-of-type(16):checked~.gallery-dots label:nth-of-type(16):before,.widget-gallery-radio:nth-of-type(17):checked~.gallery-dots label:nth-of-type(17):before,.widget-gallery-radio:nth-of-type(18):checked~.gallery-dots label:nth-of-type(18):before,.widget-gallery-radio:nth-of-type(19):checked~.gallery-dots label:nth-of-type(19):before,.widget-gallery-radio:nth-of-type(20):checked~.gallery-dots label:nth-of-type(20):before,.widget-gallery-radio:nth-of-type(21):checked~.gallery-dots label:nth-of-type(21):before,.widget-gallery-radio:nth-of-type(22):checked~.gallery-dots label:nth-of-type(22):before,.widget-gallery-radio:nth-of-type(23):checked~.gallery-dots label:nth-of-type(23):before,.widget-gallery-radio:nth-of-type(24):checked~.gallery-dots label:nth-of-type(24):before,.widget-gallery-radio:nth-of-type(25):checked~.gallery-dots label:nth-of-type(25):before,.widget-gallery-radio:nth-of-type(26):checked~.gallery-dots label:nth-of-type(26):before,.widget-gallery-radio:nth-of-type(27):checked~.gallery-dots label:nth-of-type(27):before,.widget-gallery-radio:nth-of-type(28):checked~.gallery-dots label:nth-of-type(28):before,.widget-gallery-radio:nth-of-type(29):checked~.gallery-dots label:nth-of-type(29):before,.widget-gallery-radio:nth-of-type(30):checked~.gallery-dots label:nth-of-type(30):before,.widget-gallery-radio:nth-of-type(31):checked~.gallery-dots label:nth-of-type(31):before,.widget-gallery-radio:nth-of-type(32):checked~.gallery-dots label:nth-of-type(32):before,.widget-gallery-radio:nth-of-type(33):checked~.gallery-dots label:nth-of-type(33):before,.widget-gallery-radio:nth-of-type(34):checked~.gallery-dots label:nth-of-type(34):before,.widget-gallery-radio:nth-of-type(35):checked~.gallery-dots label:nth-of-type(35):before,.widget-gallery-radio:nth-of-type(36):checked~.gallery-dots label:nth-of-type(36):before,.widget-gallery-radio:nth-of-type(37):checked~.gallery-dots label:nth-of-type(37):before,.widget-gallery-radio:nth-of-type(38):checked~.gallery-dots label:nth-of-type(38):before,.widget-gallery-radio:nth-of-type(39):checked~.gallery-dots label:nth-of-type(39):before }.widget-image img .widget-video .widget-video .widget-video img .widget-video a .widget-video a:after .widget-video a:after .layout-container > @media (max-width: 768px) .layout-container > .layout-container > .empty-layout .layout-container > .empty-layout ~ }#layout-9 .old-ie #layout-9 #layout-mobile-2 .old-ie #widget-text-19 #widget-image-18 #widget-tab-21 > li > label #widget-tab-21 ~ > li:nth-of-type(1) > label,#widget-tab-21 ~ > li:nth-of-type(2) > label,#widget-tab-21 ~ > li:nth-of-type(3) > label,#widget-tab-21 ~ > li:nth-of-type(4) > label,#widget-tab-21 ~ > li:nth-of-type(5) > label,#widget-tab-21 ~ > li:nth-of-type(6) > label,#widget-tab-21 ~ > li:nth-of-type(7) > label,#widget-tab-21 ~ > li:nth-of-type(8) > label,#widget-tab-21 ~ > li:nth-of-type(9) > label,#widget-tab-21 ~ > li:nth-of-type(10) > label #widget-tab-21 ~ > li:nth-of-type(1) > label,#widget-tab-21 ~ > li:nth-of-type(2) > label,#widget-tab-21 ~ > li:nth-of-type(3) > label,#widget-tab-21 ~ > li:nth-of-type(4) > label,#widget-tab-21 ~ > li:nth-of-type(5) > label,#widget-tab-21 ~ > li:nth-of-type(6) > label,#widget-tab-21 ~ > li:nth-of-type(7) > label,#widget-tab-21 ~ > li:nth-of-type(8) > label,#widget-tab-21 ~ > li:nth-of-type(9) > label,#widget-tab-21 ~ > li:nth-of-type(10) > label,#widget-tab-21 + > > > label,#widget-tab-21 + #widget-tab-21 > li > label,#widget-tab-21 ,#widget-tab-21 > label #widget-tab-21 > li > label,#widget-tab-21 + #widget-tab-21 #widget-tab-21 #widget-tab-21 ~ > li:nth-of-type(1) > label:after,#widget-tab-21 ~ > li:nth-of-type(2) > label:after,#widget-tab-21 ~ > li:nth-of-type(3) > label:after,#widget-tab-21 ~ > li:nth-of-type(4) > label:after,#widget-tab-21 ~ > li:nth-of-type(5) > label:after,#widget-tab-21 ~ > li:nth-of-type(6) > label:after,#widget-tab-21 ~ > li:nth-of-type(7) > label:after,#widget-tab-21 ~ > li:nth-of-type(8) > label:after,#widget-tab-21 ~ > li:nth-of-type(9) > label:after,#widget-tab-21 ~ > li:nth-of-type(10) > label:after #widget-tab-21 + #widget-tab-21 + > > > label #widget-tab-21 > li > label,#widget-tab-21 + ,#widget-tab-21 > label #widget-tab-21 > li > label #widget-tab-21 ~ > li:nth-of-type(1) > label,#widget-tab-21 ~ > li:nth-of-type(2) > label,#widget-tab-21 ~ > li:nth-of-type(3) > label,#widget-tab-21 ~ > li:nth-of-type(4) > label,#widget-tab-21 ~ > li:nth-of-type(5) > label,#widget-tab-21 ~ > li:nth-of-type(6) > label,#widget-tab-21 ~ > li:nth-of-type(7) > label,#widget-tab-21 ~ > li:nth-of-type(8) > label,#widget-tab-21 ~ > li:nth-of-type(9) > label,#widget-tab-21 ~ > li:nth-of-type(10) > label,#widget-tab-21 + > > > label #widget-tab-21 ,#widget-tab-21 > li > label,#widget-tab-21 > label #widget-tab-21 #widget-text-22 #widget-title-23 #widget-image-24 #widget-image-25 #widget-image-26 #widget-image-27 #widget-image-28 #widget-menu-29 ,#widget-menu-29 #widget-menu-29 ,#widget-menu-29 #widget-menu-29 ,#widget-menu-29 #widget-menu-29 ,#widget-menu-29 > ,#widget-menu-29 ,#widget-menu-29 #widget-menu-29 #widget-menu-29 ,#widget-menu-29 ~ #widget-menu-29 ,#widget-menu-29 > ,#widget-menu-29 ~ ,#widget-menu-29 ~ #widget-menu-29 ,#widget-menu-29 #widget-menu-29 #widget-menu-29 #widget-image-33 .row:before,.row:after .row:after @media (max-width:767px) .col-offset-fix [class^="col-"] .row-offset-fix }@media (min-width:768px) .multi-widget-fix .col-1,.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-10,.col-11,.col-12,.col-13,.col-14,.col-15,.col-16,.col-17,.col-18,.col-19,.col-20,.col-21,.col-22,.col-23,.col-24 .col-1 .col-offset-1 .col-2 .col-offset-2 .col-3 .col-offset-3 .col-4 .col-offset-4 .col-5 .col-offset-5 .col-6 .col-offset-6 .col-7 .col-offset-7 .col-8 .col-offset-8 .col-9 .col-offset-9 .col-10 .col-offset-10 .col-11 .col-offset-11 .col-12 .col-offset-12 .col-13 .col-offset-13 .col-14 .col-offset-14 .col-15 .col-offset-15 .col-16 .col-offset-16 .col-17 .col-offset-17 .col-18 .col-offset-18 .col-19 .col-offset-19 .col-20 .col-offset-20 .col-21 .col-offset-21 .col-22 .col-offset-22 .col-23 .col-offset-23 .col-24 .col-offset-24 }#layout-9 .old-ie #layout-9 #layout-1 #layout-1 .old-ie #widget-text-86 #widget-menu-23 ,#widget-menu-23 #widget-menu-23 ,#widget-menu-23 #widget-menu-23 ,#widget-menu-23 #widget-menu-23 ,#widget-menu-23 > ,#widget-menu-23 ,#widget-menu-23 #widget-menu-23 #widget-menu-23 ,#widget-menu-23 ~ #widget-menu-23 ,#widget-menu-23 > ,#widget-menu-23 ~ ,#widget-menu-23 ~ #widget-menu-23 ,#widget-menu-23 #widget-menu-23 #widget-menu-23 #widget-menu-84 ,#widget-menu-84 #widget-menu-84 ,#widget-menu-84 #widget-menu-84 ,#widget-menu-84 #widget-menu-84 ,#widget-menu-84 > ,#widget-menu-84 ,#widget-menu-84 #widget-menu-84 #widget-menu-84 ,#widget-menu-84 ~ #widget-menu-84 ,#widget-menu-84 > ,#widget-menu-84 ~ ,#widget-menu-84 ~ #widget-menu-84 ,#widget-menu-84 #widget-image-10 #widget-image-12 #widget-image-14 #widget-image-15 #widget-image-16 #widget-tab-10 > li > label #widget-tab-10 ~ > li:nth-of-type(1) > label,#widget-tab-10 ~ > li:nth-of-type(2) > label,#widget-tab-10 ~ > li:nth-of-type(3) > label,#widget-tab-10 ~ > li:nth-of-type(4) > label,#widget-tab-10 ~ > li:nth-of-type(5) > label,#widget-tab-10 ~ > li:nth-of-type(6) > label,#widget-tab-10 ~ > li:nth-of-type(7) > label,#widget-tab-10 ~ > li:nth-of-type(8) > label,#widget-tab-10 ~ > li:nth-of-type(9) > label,#widget-tab-10 ~ > li:nth-of-type(10) > label #widget-tab-10 ~ > li:nth-of-type(1) > label,#widget-tab-10 ~ > li:nth-of-type(2) > label,#widget-tab-10 ~ > li:nth-of-type(3) > label,#widget-tab-10 ~ > li:nth-of-type(4) > label,#widget-tab-10 ~ > li:nth-of-type(5) > label,#widget-tab-10 ~ > li:nth-of-type(6) > label,#widget-tab-10 ~ > li:nth-of-type(7) > label,#widget-tab-10 ~ > li:nth-of-type(8) > label,#widget-tab-10 ~ > li:nth-of-type(9) > label,#widget-tab-10 ~ > li:nth-of-type(10) > label,#widget-tab-10 + > > > label,#widget-tab-10 + #widget-tab-10 > li > label,#widget-tab-10 ,#widget-tab-10 > label #widget-tab-10 > li > label,#widget-tab-10 + #widget-tab-10 #widget-tab-10 #widget-tab-10 ~ > li:nth-of-type(1) > label:after,#widget-tab-10 ~ > li:nth-of-type(2) > label:after,#widget-tab-10 ~ > li:nth-of-type(3) > label:after,#widget-tab-10 ~ > li:nth-of-type(4) > label:after,#widget-tab-10 ~ > li:nth-of-type(5) > label:after,#widget-tab-10 ~ > li:nth-of-type(6) > label:after,#widget-tab-10 ~ > li:nth-of-type(7) > label:after,#widget-tab-10 ~ > li:nth-of-type(8) > label:after,#widget-tab-10 ~ > li:nth-of-type(9) > label:after,#widget-tab-10 ~ > li:nth-of-type(10) > label:after #widget-tab-10 + #widget-tab-10 + > > > label #widget-tab-10 > li > label,#widget-tab-10 + ,#widget-tab-10 > label #widget-title-11 #widget-text-13 #widget-image-11 #widget-image-13 #widget-image-17 HomePaymentShippingAbout usContact usDetailsDescription:1. Use of high-quality materials, quality assurance2.Cost-effective 100W + 50W + 50W high-fidelity Bluetooth amplifier, the programme is mature and stable, the sound quality is pure, explosive 2.1 amplifier economic models!3. Subwoofer + left channel + right channel, with subwoofer output with bass and treble adjustment, sound quality cool and shocking!4. Exquisite appearance, easy to use5. Wide range of applications Parameter:Product Name：2.1 channel Bluetooth audio amplifier moduleProduct Model: MT21Bluetooth version: 5.0 (no cover, 15m)Input sensitivity: 500mVInput mode: AUX + BluetoothNumber of channels: 2.1 channelsAmplifier chip: domestic amplifier chipAdaptive power supply: DC12~24 V/5A or more (can not be connected to the 24V battery pack)Applicable speakers: 20~100 W, 4-8ΩOutput power: left and right channel <50WSubwoofer <100WProtection mechanism: anti-reverse connection, overheating, overcurrent, short circuit protection.Product Size: 93mm*90mm*22mmProduct weight: about 185g (including packaging) Tips: In the case of sufficient audio input, the power supply voltage / current is enough to outputOutput power!!!!The higher the supply voltage, the higher the output power, the lower the speaker impedance, the higher the output power! !!! Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifier! !!! Package list:Amplifier board *1 Shipping PolicyPayment MethodReturns PolicyShipping PolicyPayment MethodReturns PolicyCopyright©2017 DataCaciquesHomePaymentShippingAbout usContact usDetailsDescription:1. Use of high-quality materials, quality assurance2.Cost-effective 100W + 50W + 50W high-fidelity Bluetooth amplifier, the programme is mature and stable, the sound quality is pure, explosive 2.1 amplifier economic models!3. Subwoofer + left channel + right channel, with subwoofer output with bass and treble adjustment, sound quality cool and shocking!4. Exquisite appearance, easy to use5. Wide range of applications Parameter:Product Name：2.1 channel Bluetooth audio amplifier moduleProduct Model: MT21Bluetooth version: 5.0 (no cover, 15m)Input sensitivity: 500mVInput mode: AUX + BluetoothNumber of channels: 2.1 channelsAmplifier chip: domestic amplifier chipAdaptive power supply: DC12~24 V/5A or more (can not be connected to the 24V battery pack)Applicable speakers: 20~100 W, 4-8ΩOutput power: left and right channel <50WSubwoofer <100WProtection mechanism: anti-reverse connection, overheating, overcurrent, short circuit protection.Product Size: 93mm*90mm*22mmProduct weight: about 185g (including packaging) Tips: In the case of sufficient audio input, the power supply voltage / current is enough to outputOutput power!!!!The higher the supply voltage, the higher the output power, the lower the speaker impedance, the higher the output power! !!! Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifier! !!! Package list:Amplifier board *1 Shipping Payment ReturnsFeebackShipping 1. Please make sure your shipping address is correct when you make order(s). We don't accept address change after order. We will not be responsible for any lost if the shipping address is wrong or incompleted. 2. We ship from USA Warehouse for buyer (2-4 working days to arrive) 3. Items are generally shipped out within 1- 2 business day after your payment has been cleared (Sat. & Sun. & Public holiday excluded). deliver.Payment We accept PayPal only.We only ship item to your PayPal verified address.Please pay attention that import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying. Returns（1)We offer 60 day money back or replacement guarantee.In addition, it allows customers to return new and unused products in their original factory condition for any reason within 60 days from the date of purchase.（2)Although we test each item and they are packed professionally, few item(less than 0.1%) might be damaged during the shipping. Please feel free to contact us within 4 days after you receive your package about replacement.（3)If you don't receive items over 35days ,please make sure to contact us before leaving any neutral or negative feedback.We'll try our best to help you solve the problem.If we authorized the return, customers will get an email with instructions for returning the item. Email will be replied within 24 hours on Chinese business hours.Feeback1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase. 2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer. 3. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Please allow max 2 business days for us to response.HomePaymentShippingAbout usContact usCopyright©2017 datacaciques .cs-head .cs-head .dc-cs:hover ,.dc-dock:hover .dc-cs .dock-rb .cs-top .cs-top @media (max-width:480px) .cs-top }.cs-top .cs-append ,.cs-bottom .cs-append ,.cs-bottom .cs-append , @media (max-width:480px) .cs-bottom }.cs-append ,.cs-bottom .cs-append, @media (min-width:640px) .cs-list-col7 .cs-list-col8 .cs-list-col9 .cs-list-col10 }.cs-list .cs-list:after,.cs-list:before .cs-list:after .cs-list>li .cs-append,.cs-bottom .cs-list-col6>li .cs-list-col7 .cs-list-col7>li .cs-list-col8 .cs-list-col8>li .cs-list-col9 .cs-list-col9>li .cs-list-col10 .cs-list-col10>li .cs-list-col11 .cs-list-col11>li .cs-list-col12 .cs-list-col12>li .cs-list-collapse .cs-list-collapse>li @media (max-width:800px) .cs-list .cs-list>li }@media (max-width:640px) .cs-list .cs-list>li }@media (max-width:480px) .cs-list .cs-list>li }.cs-list .cs-list a .cs-list a:hover .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .cs-list .dc-cs * .cs-top .cs-append ,.cs-bottom ,.cs-top p:empty+hr hr+span.ebay .dc_tracker_img #ds_div>.dc_tracker_img:last-of-type [data-lid="135569935583"] [data-lid="135569935583"] [data-lid="135569935583"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135569935583"] [data-lid="135569935583"] [data-lid="135569935583"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] [data-lid="135195785442"] .dc_tracker_img:last-of-type p:empty+hr hr+span.ebay,hr+*>span.ebay