{"id":5821,"date":"2026-04-20T15:28:13","date_gmt":"2026-04-20T13:28:13","guid":{"rendered":"https:\/\/charitouservices.com\/?post_type=product&#038;p=5821"},"modified":"2026-04-20T15:28:14","modified_gmt":"2026-04-20T13:28:14","slug":"adastra-bc4v-4-20w-speakers-black-pair-single","status":"publish","type":"product","link":"https:\/\/charitouservices.com\/?product=adastra-bc4v-4-20w-speakers-black-pair-single","title":{"rendered":"Adastra BC4V 4&#8243; 20W Speakers \u2013 Black (Pair\/Single)"},"content":{"rendered":"<div class=\"ds-message _63c77b1\">\n<div class=\"ds-markdown\">\n<p class=\"ds-markdown-paragraph\"><strong>Adastra BC4V 4&#8243; 20W Speakers \u2013 Black (Pair\/Single)<\/strong><\/p>\n<p class=\"ds-markdown-paragraph\"><strong>Versatile Indoor Speakers. 100V Line or 8\u03a9 Operation. Crystal Clear Sound. \ud83d\udd0a\ud83c\udfe0<\/strong><\/p>\n<p class=\"ds-markdown-paragraph\">The Adastra BC4V is a compact 2-way speaker system designed for background music and public address applications. With a 4&#8243; woofer, 1&#8243; dome tweeter, and flexible 100V\/8\u03a9 selector switch, it delivers clean, balanced audio for shops, cafes, offices, schools, and homes.<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>\u2728 Star Features at a Glance:<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>2-Way Speaker System:<\/strong> 4&#8243; (100mm) reinforced paper cone woofer + 1&#8243; (25mm) balanced dome tweeter with crossover network.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Flexible Operation:<\/strong> Rotary selector switch for <strong>100V line tappings<\/strong> (20W, 10W, 5W, 2.5W) or <strong>8 Ohms<\/strong> operation (35W RMS \/ 70W Max).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Wide Frequency Response:<\/strong> 110Hz \u2013 20kHz for clear vocals and balanced sound.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>High Sensitivity:<\/strong> 88dB SPL @ 1W\/1m \u2013 efficient and loud.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Wall Mounting Bracket Included:<\/strong> Easy installation on walls or ceilings.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Alternative M6 Threaded Mounting Points:<\/strong> Compatible with standard speaker brackets.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Spring Terminal Connections:<\/strong> Simple, tool\u2011friendly wiring.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Sleek Black Design:<\/strong> Discreet and professional appearance for any environment.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Supplied Singly:<\/strong> Order one or more as needed.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p class=\"ds-markdown-paragraph\"><strong>\ud83d\udcca Technical Specifications<\/strong><\/p>\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th>Feature<\/th>\n<th>Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Order Code<\/strong><\/td>\n<td>952.713UK<\/td>\n<\/tr>\n<tr>\n<td><strong>Model<\/strong><\/td>\n<td>BC4V<\/td>\n<\/tr>\n<tr>\n<td><strong>Type<\/strong><\/td>\n<td>Indoor 2-Way Speaker<\/td>\n<\/tr>\n<tr>\n<td><strong>Woofer Size<\/strong><\/td>\n<td>4&#8243; (100mm) \u2013 Reinforced Paper Cone<\/td>\n<\/tr>\n<tr>\n<td><strong>Tweeter<\/strong><\/td>\n<td>1&#8243; (25mm) Balanced Dome<\/td>\n<\/tr>\n<tr>\n<td><strong>Frequency Response<\/strong><\/td>\n<td>110Hz \u2013 20kHz<\/td>\n<\/tr>\n<tr>\n<td><strong>SPL (1W\/1m)<\/strong><\/td>\n<td>88dB<\/td>\n<\/tr>\n<tr>\n<td><strong>8\u03a9 Power (RMS)<\/strong><\/td>\n<td>35W<\/td>\n<\/tr>\n<tr>\n<td><strong>8\u03a9 Power (Max)<\/strong><\/td>\n<td>70W<\/td>\n<\/tr>\n<tr>\n<td><strong>100V Tappings<\/strong><\/td>\n<td>20W, 10W, 5W, 2.5W + 8\u03a9 bypass<\/td>\n<\/tr>\n<tr>\n<td><strong>Impedance (100V)<\/strong><\/td>\n<td>500\u03a9, 1k\u03a9, 2k\u03a9, 4k\u03a9<\/td>\n<\/tr>\n<tr>\n<td><strong>Connections<\/strong><\/td>\n<td>Spring Terminals<\/td>\n<\/tr>\n<tr>\n<td><strong>Mounting<\/strong><\/td>\n<td>Wall Bracket Included + M6 Thread Points<\/td>\n<\/tr>\n<tr>\n<td><strong>Dimensions (W\u00d7H\u00d7D)<\/strong><\/td>\n<td>150 \u00d7 195 \u00d7 150 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight<\/strong><\/td>\n<td>1.63 kg<\/td>\n<\/tr>\n<tr>\n<td><strong>Colour<\/strong><\/td>\n<td>Black<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<p class=\"ds-markdown-paragraph\"><strong>\u2705 Your Installation Checklist<\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Versatile Application:<\/strong> Background music, PA, retail, hospitality, education, home audio.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>100V or 8\u03a9:<\/strong> Rotary selector matches any system \u2013 constant voltage or low impedance.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Clean, Balanced Sound:<\/strong> 2-way design with crossover delivers clear vocals and smooth highs.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Easy Installation:<\/strong> Wall bracket included plus spring terminals for quick wiring.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Efficient &amp; Loud:<\/strong> 88dB sensitivity means more volume with less amplifier power.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Compact &amp; Discreet:<\/strong> Small footprint blends into any d\u00e9cor.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Flexible Power Tappings:<\/strong> Choose the right power level for your zone.<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong>\ud83d\uded2 Reliable Sound for Any Space!<\/strong><br \/>\nClick &#8216;Add to Cart&#8217; for high\u2011quality, versatile indoor speakers. The Adastra BC4V delivers clear, efficient audio in 100V or 8\u03a9 systems \u2013 perfect for background music and announcements.<\/p>\n<\/div>\n<\/div>\n<div class=\"ds-theme\"><\/div>\n<div class=\"ds-flex _0a3d93b\">\n<div class=\"ds-flex _965abe9 _54866f7\">\n<div class=\"db183363 ds-icon-button ds-icon-button--m ds-icon-button--sizing-container\" role=\"button\">\n<div class=\"ds-icon-button__hover-bg\"><\/div>\n<div class=\"ds-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p class=\"ds-markdown-paragraph\"><strong>Adastra BC4V 4&#8243; 20W Speakers \u2013 Black (Pair\/Single)<\/strong><\/p>\n<p class=\"ds-markdown-paragraph\"><strong>Versatile Indoor Speakers. 100V Line or 8\u03a9 Operation. Crystal Clear Sound. \ud83d\udd0a\ud83c\udfe0<\/strong><\/p>\n<p class=\"ds-markdown-paragraph\">The Adastra BC4V is a compact 2-way speaker system designed for background music and public address applications. With a 4&#8243; woofer, 1&#8243; dome tweeter, and flexible 100V\/8\u03a9 selector switch, it delivers clean, balanced audio for shops, cafes, offices, schools, and homes.<\/p>\n","protected":false},"featured_media":5823,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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