{"id":18959,"date":"2017-12-05T14:03:42","date_gmt":"2017-12-05T13:03:42","guid":{"rendered":"http:\/\/lda-audiotech.com\/en\/?page_id=18959"},"modified":"2026-04-08T10:44:36","modified_gmt":"2026-04-08T08:44:36","slug":"pava-systems-for-transport-networks","status":"publish","type":"page","link":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/","title":{"rendered":"PA\/VA Systems for Transport Networks"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;grid&#8221; in_content_menu=&#8221;in_content_menu&#8221; content_menu_icon=&#8221;fa-info&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;center&#8221; background_image_as_pattern=&#8221;without_pattern&#8221; padding_top=&#8221;75&#8243; padding_bottom=&#8221;75&#8243; anchor=&#8221;Introducci\u00f3n&#8221; content_menu_title=&#8221;Introducci\u00f3n&#8221;][vc_column][vc_column_text css=&#8221;&#8221;]<\/p>\n<h1>PUBLIC ADDRESS AND VOICE ALARM SYSTEMS FOR RAILWAY AND METRO NETWORKS<\/h1>\n<p>[\/vc_column_text][vc_separator type=&#8221;small&#8221; position=&#8221;center&#8221; width_in_percentages=&#8221;yes&#8221; thickness=&#8221;3&#8243; up=&#8221;20&#8243; down=&#8221;20&#8243; transparency=&#8221;1&#8243; width=&#8221;15&#8243;][vc_column_text css=&#8221;&#8221;]At LDA we are experts in <strong>public address and voice evacuation systems for transport networks<\/strong>. That&#8217;s why we can help you create the most competitive solution which best suits your needs.[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;grid&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221;][vc_column][vc_column_text]<\/p>\n<h2 style=\"text-align: center;\">Our references<\/h2>\n<p>[\/vc_column_text][vc_separator type=&#8221;small&#8221; position=&#8221;center&#8221; up=&#8221;7&#8243; down=&#8221;38&#8243;]<div class='portfolio_slider_holder clearfix'><div class='portfolio_slider'  ><ul class='portfolio_slides'><li class='item'><div class='image_holder'><span class='image'><span class='image_pixel_hover'><\/span><a itemprop='url' href='https:\/\/lda-audiotech.com\/en\/portfolio_page\/rancagua-santiago-train\/' target='_self'><img decoding=\"async\" width=\"500\" height=\"380\" src=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2016\/12\/image4435-500x380.png\" class=\"attachment-portfolio_slider size-portfolio_slider wp-post-image\" alt=\"\" \/><\/a><\/span><div class='hover_feature_holder'><div class=\"hover_feature_holder_outer\"><div class=\"hover_feature_holder_inner\"><h3 itemprop=\"name\" class=\"portfolio_title entry_title\"><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/rancagua-santiago-train\/\" target=\"_self\">Rancagua-Santiago Train<\/a><\/h3><span class=\"separator small\"><\/span><div class=\"project_category\">Metro and Train Networks<\/div><a itemprop='image' class='lightbox qbutton white small' title='Rancagua-Santiago Train' href='https:\/\/lda-audiotech.com\/wp-content\/uploads\/2016\/12\/image4435-500x380.png' data-rel='prettyPhoto[portfolio_slider]'>zoom<\/a><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/rancagua-santiago-train\/\" target=\"_self\" class=\"qbutton white small\">view<\/a><\/div><\/div><\/div><\/div><\/li><li class='item'><div class='image_holder'><span class='image'><span class='image_pixel_hover'><\/span><a itemprop='url' href='https:\/\/lda-audiotech.com\/en\/portfolio_page\/botswana-railways\/' target='_self'><img decoding=\"async\" width=\"500\" height=\"380\" src=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2017\/09\/botswana_railways_lda-500x380.jpg\" class=\"attachment-portfolio_slider size-portfolio_slider wp-post-image\" alt=\"LDA Audio Tech in Botswana Railways\" \/><\/a><\/span><div class='hover_feature_holder'><div class=\"hover_feature_holder_outer\"><div class=\"hover_feature_holder_inner\"><h3 itemprop=\"name\" class=\"portfolio_title entry_title\"><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/botswana-railways\/\" target=\"_self\">Botswana Railways<\/a><\/h3><span class=\"separator small\"><\/span><div class=\"project_category\">Metro and Train Networks<\/div><a itemprop='image' class='lightbox qbutton white small' title='Botswana Railways' href='https:\/\/lda-audiotech.com\/wp-content\/uploads\/2017\/09\/botswana_railways_lda-500x380.jpg' data-rel='prettyPhoto[portfolio_slider]'>zoom<\/a><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/botswana-railways\/\" target=\"_self\" class=\"qbutton white small\">view<\/a><\/div><\/div><\/div><\/div><\/li><li class='item'><div class='image_holder'><span class='image'><span class='image_pixel_hover'><\/span><a itemprop='url' href='https:\/\/lda-audiotech.com\/en\/portfolio_page\/karmiel-train-station\/' target='_self'><img decoding=\"async\" width=\"500\" height=\"380\" src=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2017\/10\/karmiel_train_station_lda_01-500x380.jpg\" class=\"attachment-portfolio_slider size-portfolio_slider wp-post-image\" alt=\"Karmiel Station LDA Audio Tech\" \/><\/a><\/span><div class='hover_feature_holder'><div class=\"hover_feature_holder_outer\"><div class=\"hover_feature_holder_inner\"><h3 itemprop=\"name\" class=\"portfolio_title entry_title\"><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/karmiel-train-station\/\" target=\"_self\">Karmiel Train Station<\/a><\/h3><span class=\"separator small\"><\/span><div class=\"project_category\">Metro and Train Networks<\/div><a itemprop='image' class='lightbox qbutton white small' title='Karmiel Train Station' href='https:\/\/lda-audiotech.com\/wp-content\/uploads\/2017\/10\/karmiel_train_station_lda_01-500x380.jpg' data-rel='prettyPhoto[portfolio_slider]'>zoom<\/a><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/karmiel-train-station\/\" target=\"_self\" class=\"qbutton white small\">view<\/a><\/div><\/div><\/div><\/div><\/li><li class='item'><div class='image_holder'><span class='image'><span class='image_pixel_hover'><\/span><a itemprop='url' href='https:\/\/lda-audiotech.com\/en\/portfolio_page\/bilbao-metro\/' target='_self'><img decoding=\"async\" width=\"500\" height=\"380\" src=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2018\/02\/metro_bilbao-500x380.jpg\" class=\"attachment-portfolio_slider size-portfolio_slider wp-post-image\" alt=\"Bilbao Metro\" \/><\/a><\/span><div class='hover_feature_holder'><div class=\"hover_feature_holder_outer\"><div class=\"hover_feature_holder_inner\"><h3 itemprop=\"name\" class=\"portfolio_title entry_title\"><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/bilbao-metro\/\" target=\"_self\">Bilbao Metro<\/a><\/h3><span class=\"separator small\"><\/span><div class=\"project_category\">Metro and Train Networks<\/div><a itemprop='image' class='lightbox qbutton white small' title='Bilbao Metro' href='https:\/\/lda-audiotech.com\/wp-content\/uploads\/2018\/02\/metro_bilbao-500x380.jpg' data-rel='prettyPhoto[portfolio_slider]'>zoom<\/a><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/bilbao-metro\/\" target=\"_self\" class=\"qbutton white small\">view<\/a><\/div><\/div><\/div><\/div><\/li><li class='item'><div class='image_holder'><span class='image'><span class='image_pixel_hover'><\/span><a itemprop='url' href='https:\/\/lda-audiotech.com\/en\/portfolio_page\/seville-metro\/' target='_self'><img decoding=\"async\" width=\"500\" height=\"380\" src=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2018\/02\/metro_sevilla-500x380.jpg\" class=\"attachment-portfolio_slider size-portfolio_slider wp-post-image\" alt=\"Metro de Sevilla\" \/><\/a><\/span><div class='hover_feature_holder'><div class=\"hover_feature_holder_outer\"><div class=\"hover_feature_holder_inner\"><h3 itemprop=\"name\" class=\"portfolio_title entry_title\"><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/seville-metro\/\" target=\"_self\">Seville Metro<\/a><\/h3><span class=\"separator small\"><\/span><div class=\"project_category\">Metro and Train Networks<\/div><a itemprop='image' class='lightbox qbutton white small' title='Seville Metro' href='https:\/\/lda-audiotech.com\/wp-content\/uploads\/2018\/02\/metro_sevilla-500x380.jpg' data-rel='prettyPhoto[portfolio_slider]'>zoom<\/a><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/seville-metro\/\" target=\"_self\" class=\"qbutton white small\">view<\/a><\/div><\/div><\/div><\/div><\/li><li class='item'><div class='image_holder'><span class='image'><span class='image_pixel_hover'><\/span><a itemprop='url' href='https:\/\/lda-audiotech.com\/en\/portfolio_page\/rio-janeiro-metro\/' target='_self'><img decoding=\"async\" width=\"1\" height=\"1\" src=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2018\/02\/metro_rio.jpg\" class=\"attachment-portfolio_slider size-portfolio_slider wp-post-image\" alt=\"R\u00edo de Janeiro Metro\" \/><\/a><\/span><div class='hover_feature_holder'><div class=\"hover_feature_holder_outer\"><div class=\"hover_feature_holder_inner\"><h3 itemprop=\"name\" class=\"portfolio_title entry_title\"><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/rio-janeiro-metro\/\" target=\"_self\">R\u00edo de Janeiro Metro<\/a><\/h3><span class=\"separator small\"><\/span><div class=\"project_category\">Metro and Train Networks<\/div><a itemprop='image' class='lightbox qbutton white small' title='R\u00edo de Janeiro Metro' href='https:\/\/lda-audiotech.com\/wp-content\/uploads\/2018\/02\/metro_rio.jpg' data-rel='prettyPhoto[portfolio_slider]'>zoom<\/a><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/rio-janeiro-metro\/\" target=\"_self\" class=\"qbutton white small\">view<\/a><\/div><\/div><\/div><\/div><\/li><li class='item'><div class='image_holder'><span class='image'><span class='image_pixel_hover'><\/span><a itemprop='url' href='https:\/\/lda-audiotech.com\/en\/portfolio_page\/plaza-castilla-transport-interchange\/' target='_self'><img decoding=\"async\" width=\"500\" height=\"380\" src=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2019\/11\/intercambiador-plaza-castilla-500x380.jpg\" class=\"attachment-portfolio_slider size-portfolio_slider wp-post-image\" alt=\"Intercambiador transportes Plaza Castilla LDA Audio Tech\" \/><\/a><\/span><div class='hover_feature_holder'><div class=\"hover_feature_holder_outer\"><div class=\"hover_feature_holder_inner\"><h3 itemprop=\"name\" class=\"portfolio_title entry_title\"><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/plaza-castilla-transport-interchange\/\" target=\"_self\">Plaza Castilla transport interchange<\/a><\/h3><span class=\"separator small\"><\/span><div class=\"project_category\">Metro and Train Networks<\/div><a itemprop='image' class='lightbox qbutton white small' title='Plaza Castilla transport interchange' href='https:\/\/lda-audiotech.com\/wp-content\/uploads\/2019\/11\/intercambiador-plaza-castilla-500x380.jpg' data-rel='prettyPhoto[portfolio_slider]'>zoom<\/a><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/plaza-castilla-transport-interchange\/\" target=\"_self\" class=\"qbutton white small\">view<\/a><\/div><\/div><\/div><\/div><\/li><li class='item'><div class='image_holder'><span class='image'><span class='image_pixel_hover'><\/span><a itemprop='url' href='https:\/\/lda-audiotech.com\/en\/portfolio_page\/madrid-metro\/' target='_self'><img decoding=\"async\" width=\"500\" height=\"380\" src=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2026\/03\/Metro-Madrid-LDA-references-01-500x380.jpg\" class=\"attachment-portfolio_slider size-portfolio_slider wp-post-image\" alt=\"Metro de Madrid - LDA References\" \/><\/a><\/span><div class='hover_feature_holder'><div class=\"hover_feature_holder_outer\"><div class=\"hover_feature_holder_inner\"><h3 itemprop=\"name\" class=\"portfolio_title entry_title\"><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/madrid-metro\/\" target=\"_self\">Madrid Metro<\/a><\/h3><span class=\"separator small\"><\/span><div class=\"project_category\">Metro and Train Networks<\/div><a itemprop='image' class='lightbox qbutton white small' title='Madrid Metro' href='https:\/\/lda-audiotech.com\/wp-content\/uploads\/2026\/03\/Metro-Madrid-LDA-references-01-500x380.jpg' data-rel='prettyPhoto[portfolio_slider]'>zoom<\/a><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/madrid-metro\/\" target=\"_self\" class=\"qbutton white small\">view<\/a><\/div><\/div><\/div><\/div><\/li><li class='item'><div class='image_holder'><span class='image'><span class='image_pixel_hover'><\/span><a itemprop='url' href='https:\/\/lda-audiotech.com\/en\/portfolio_page\/metro-malaga\/' target='_self'><img decoding=\"async\" width=\"500\" height=\"380\" src=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2016\/12\/Malaga-Metro-Guadalmedina-LDA-references-500x380.jpg\" class=\"attachment-portfolio_slider size-portfolio_slider wp-post-image\" alt=\"Malaga Metro - LDA References\" \/><\/a><\/span><div class='hover_feature_holder'><div class=\"hover_feature_holder_outer\"><div class=\"hover_feature_holder_inner\"><h3 itemprop=\"name\" class=\"portfolio_title entry_title\"><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/metro-malaga\/\" target=\"_self\">M\u00e1laga Metro<\/a><\/h3><span class=\"separator small\"><\/span><div class=\"project_category\">Metro and Train Networks<\/div><a itemprop='image' class='lightbox qbutton white small' title='M\u00e1laga Metro' href='https:\/\/lda-audiotech.com\/wp-content\/uploads\/2016\/12\/Malaga-Metro-Guadalmedina-LDA-references-500x380.jpg' data-rel='prettyPhoto[portfolio_slider]'>zoom<\/a><a itemprop=\"url\" href=\"https:\/\/lda-audiotech.com\/en\/portfolio_page\/metro-malaga\/\" target=\"_self\" class=\"qbutton white small\">view<\/a><\/div><\/div><\/div><\/div><\/li><\/ul><\/div><\/div>[vc_empty_space][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><a class=\"qbutton large center\" href=\"https:\/\/lda-audiotech.com\/descargas\/references\/lda_audio_tech-references_en.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Download complete list of references<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;full_width&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221;][vc_column][vc_empty_space height=&#8221;20px&#8221;][\/vc_column][\/vc_row][vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;full_width&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221; background_color=&#8221;#f0163a&#8221;][vc_column][vc_empty_space height=&#8221;80px&#8221;][\/vc_column][\/vc_row][vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;grid&#8221; in_content_menu=&#8221;in_content_menu&#8221; content_menu_icon=&#8221;fa-th-large&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221; padding_top=&#8221;75&#8243; padding_bottom=&#8221;75&#8243; anchor=&#8221;caracteristicas&#8221; content_menu_title=&#8221;Caracter\u00edsticas&#8221;][vc_column][vc_column_text]<\/p>\n<h3>Crystal-clear sound in the rush hour<\/h3>\n<p>[\/vc_column_text][vc_separator type=&#8221;small&#8221; position=&#8221;left&#8221; width_in_percentages=&#8221;yes&#8221; thickness=&#8221;3&#8243; up=&#8221;20&#8243; down=&#8221;20&#8243; transparency=&#8221;1&#8243; width=&#8221;15&#8243;][vc_column_text]<\/p>\n<p>Metro and rail networks need sound installations able to distribute all kinds of warnings to <strong>crowds on the move<\/strong>. Delivering audio through different and independent channels is an essential requirement in installations that cover a lot of spaces with diverse dimensions and <strong>acoustic requirements<\/strong>.<\/p>\n<p>[\/vc_column_text][vc_empty_space height=&#8221;16px&#8221;][vc_column_text css=&#8221;&#8221;]<strong>People tend to act faster when they hear a human voice<\/strong> telling them what to do or how to proceed, especially in case of emergency.[\/vc_column_text][vc_empty_space height=&#8221;16px&#8221;][vc_column_text css=&#8221;&#8221;]LDA Audio Tech&#8217;s public address and voice alarm systems <strong>certified to EN 54 and EN 60849<\/strong> provide intuitive user management and are easily integrated with existing third-party technologies at transport networks.[\/vc_column_text][vc_empty_space height=&#8221;16px&#8221;][vc_column_text css=&#8221;&#8221;]LDA Audio Tech offers:<\/p>\n<ul>\n<li><strong>Redundant distributed <\/strong>system<\/li>\n<li>Integration with <strong>TETRA<\/strong><\/li>\n<li><strong>BMS and SCADA<\/strong><\/li>\n<li><strong>Acoustic studies<\/strong> to optimise intelligibility in stations, ensuring a proper reception even when trains are arriving.<\/li>\n<li><strong>Automatic gain control<\/strong>, which allows you to automatically adjust the volume level in real-time.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;full_width&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221; background_color=&#8221;#f0163a&#8221;][vc_column]<div class=\"call_to_action normal\" style=\"\"><div class=\"container_inner\"><div class=\"two_columns_75_25 clearfix\"><div class=\"text_wrapper column1\"><div class=\"call_to_action_text \" style=\"\">Contact us and we&#8217;ll help you design the best PA\/VA solution for your transport network project.<\/div><\/div><div class=\"button_wrapper column2\"><a itemprop=\"url\" href=\"\/en\/contact\/\" class=\"qbutton white \" target=\"\" style=\"\" data-hover-background-color=#ffffff data-hover-color=#000000>Contact us<\/a><\/div><\/div><\/div><\/div>[\/vc_column][\/vc_row][vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;grid&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;center&#8221; video=&#8221;show_video&#8221; background_image_as_pattern=&#8221;without_pattern&#8221; background_image=&#8221;15539&#8243; padding_top=&#8221;100&#8243; padding_bottom=&#8221;100&#8243;][vc_column]<div class='q_icon_with_title very_large circle center '><div class=\"icon_holder \" style=\"margin: 0 0 28px 0; \"><a href=\"\/en\/2017\/01\/26\/en-54-voice-alarm-system\/\" target=\"_blank\" class=\"q_icon_link\"><span data-icon-type=\"circle\" class=\"qode_iwt_icon_holder fa-stack fa-5x  \"><i class=\"qode_icon_font_awesome fa fa-play-circle qode_iwt_icon_element\"><\/i><\/span><\/a><\/div><div class=\"icon_text_holder\" style=\"\"><div class=\"icon_text_inner\" style=\"\"><h3 class=\"icon_title\" style=\"\"><\/h3><p style='color: #ffffff'><\/p><a itemprop='url' class='icon_with_title_link' href='\/en\/2017\/01\/26\/en-54-voice-alarm-system\/' target='_blank' style='color: #3f3f3f;'>Read More<\/a><\/div><\/div><\/div>[\/vc_column][\/vc_row][vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;full_width&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;center&#8221; video=&#8221;show_video&#8221; background_image_as_pattern=&#8221;without_pattern&#8221; anchor=&#8221;video&#8221; background_image=&#8221;15539&#8243; padding_top=&#8221;100&#8243; padding_bottom=&#8221;100&#8243; el_class=&#8221;disable&#8221;][vc_column][vc_column_text]<\/p>\n<div class=\"q_icon_with_title very_large circle center\"><\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;grid&#8221; in_content_menu=&#8221;in_content_menu&#8221; content_menu_icon=&#8221;fa-star-o&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221; border_color=&#8221;#eaeaea&#8221; padding_top=&#8221;55&#8243; padding_bottom=&#8221;20&#8243; content_menu_title=&#8221;Casos de \u00e9xito&#8221; anchor=&#8221;clients&#8221;][vc_column][vc_gallery type=&#8221;image_grid&#8221; images=&#8221;25483,25480,23971,23974,23977,23980&#8243; img_size=&#8221;full&#8221; onclick=&#8221;&#8221; column_number=&#8221;6&#8243; grayscale=&#8221;no&#8221; images_space=&#8221;gallery_with_space&#8221;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Train and subway networks worldwide choose LDA Audio Tech for their public address and voice evacuation installations certified under EN 54 standard <\/p>\n","protected":false},"author":46,"featured_media":14989,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full_width.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-18959","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PA\/VA Systems for Transport Networks - LDA Audio Tech<\/title>\n<meta name=\"description\" content=\"We are experts in public address and voice alarm systems for metro and railway networks. We create cost effective solutions for your projects\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PA\/VA Systems for Transport Networks - LDA Audio Tech\" \/>\n<meta property=\"og:description\" content=\"We are experts in public address and voice alarm systems for metro and railway networks. We create cost effective solutions for your projects\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/\" \/>\n<meta property=\"og:site_name\" content=\"LDA Audio Tech\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/LDAaudiotech\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-08T08:44:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2014\/03\/metro_bilbao-min.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@LDAAudioTech\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/pava-systems-for-transport-networks\\\/\",\"url\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/pava-systems-for-transport-networks\\\/\",\"name\":\"PA\\\/VA Systems for Transport Networks - LDA Audio Tech\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/pava-systems-for-transport-networks\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/pava-systems-for-transport-networks\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lda-audiotech.com\\\/wp-content\\\/uploads\\\/2014\\\/03\\\/metro_bilbao-min.jpg\",\"datePublished\":\"2017-12-05T13:03:42+00:00\",\"dateModified\":\"2026-04-08T08:44:36+00:00\",\"description\":\"We are experts in public address and voice alarm systems for metro and railway networks. We create cost effective solutions for your projects\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/pava-systems-for-transport-networks\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/pava-systems-for-transport-networks\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/pava-systems-for-transport-networks\\\/#primaryimage\",\"url\":\"https:\\\/\\\/lda-audiotech.com\\\/wp-content\\\/uploads\\\/2014\\\/03\\\/metro_bilbao-min.jpg\",\"contentUrl\":\"https:\\\/\\\/lda-audiotech.com\\\/wp-content\\\/uploads\\\/2014\\\/03\\\/metro_bilbao-min.jpg\",\"width\":1920,\"height\":1080,\"caption\":\"Instalaci\u00f3n metro Bilbao\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/pava-systems-for-transport-networks\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PA\\\/VA Systems for Transport Networks\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/\",\"name\":\"LDA Audio Tech\",\"description\":\"Integrated Audio Solutions\",\"publisher\":{\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/#organization\"},\"alternateName\":\"LDA\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/#organization\",\"name\":\"LDA Audio Tech\",\"alternateName\":\"LDA\",\"url\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/lda-audiotech.com\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/logo-lda-color.png\",\"contentUrl\":\"https:\\\/\\\/lda-audiotech.com\\\/wp-content\\\/uploads\\\/2017\\\/05\\\/logo-lda-color.png\",\"width\":169,\"height\":90,\"caption\":\"LDA Audio Tech\"},\"image\":{\"@id\":\"https:\\\/\\\/lda-audiotech.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/LDAaudiotech\\\/\",\"https:\\\/\\\/x.com\\\/LDAAudioTech\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/lda-audio-tech\",\"https:\\\/\\\/www.youtube.com\\\/user\\\/LDAaudiotech\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PA\/VA Systems for Transport Networks - LDA Audio Tech","description":"We are experts in public address and voice alarm systems for metro and railway networks. We create cost effective solutions for your projects","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/","og_locale":"en_US","og_type":"article","og_title":"PA\/VA Systems for Transport Networks - LDA Audio Tech","og_description":"We are experts in public address and voice alarm systems for metro and railway networks. We create cost effective solutions for your projects","og_url":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/","og_site_name":"LDA Audio Tech","article_publisher":"https:\/\/www.facebook.com\/LDAaudiotech\/","article_modified_time":"2026-04-08T08:44:36+00:00","og_image":[{"width":1920,"height":1080,"url":"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2014\/03\/metro_bilbao-min.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@LDAAudioTech","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/","url":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/","name":"PA\/VA Systems for Transport Networks - LDA Audio Tech","isPartOf":{"@id":"https:\/\/lda-audiotech.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/#primaryimage"},"image":{"@id":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/#primaryimage"},"thumbnailUrl":"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2014\/03\/metro_bilbao-min.jpg","datePublished":"2017-12-05T13:03:42+00:00","dateModified":"2026-04-08T08:44:36+00:00","description":"We are experts in public address and voice alarm systems for metro and railway networks. We create cost effective solutions for your projects","breadcrumb":{"@id":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/#primaryimage","url":"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2014\/03\/metro_bilbao-min.jpg","contentUrl":"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2014\/03\/metro_bilbao-min.jpg","width":1920,"height":1080,"caption":"Instalaci\u00f3n metro Bilbao"},{"@type":"BreadcrumbList","@id":"https:\/\/lda-audiotech.com\/en\/pava-systems-for-transport-networks\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Portada","item":"https:\/\/lda-audiotech.com\/en\/"},{"@type":"ListItem","position":2,"name":"PA\/VA Systems for Transport Networks"}]},{"@type":"WebSite","@id":"https:\/\/lda-audiotech.com\/en\/#website","url":"https:\/\/lda-audiotech.com\/en\/","name":"LDA Audio Tech","description":"Integrated Audio Solutions","publisher":{"@id":"https:\/\/lda-audiotech.com\/en\/#organization"},"alternateName":"LDA","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lda-audiotech.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/lda-audiotech.com\/en\/#organization","name":"LDA Audio Tech","alternateName":"LDA","url":"https:\/\/lda-audiotech.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lda-audiotech.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2017\/05\/logo-lda-color.png","contentUrl":"https:\/\/lda-audiotech.com\/wp-content\/uploads\/2017\/05\/logo-lda-color.png","width":169,"height":90,"caption":"LDA Audio Tech"},"image":{"@id":"https:\/\/lda-audiotech.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/LDAaudiotech\/","https:\/\/x.com\/LDAAudioTech","https:\/\/www.linkedin.com\/company\/lda-audio-tech","https:\/\/www.youtube.com\/user\/LDAaudiotech"]}]}},"_links":{"self":[{"href":"https:\/\/lda-audiotech.com\/en\/wp-json\/wp\/v2\/pages\/18959","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lda-audiotech.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lda-audiotech.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lda-audiotech.com\/en\/wp-json\/wp\/v2\/users\/46"}],"replies":[{"embeddable":true,"href":"https:\/\/lda-audiotech.com\/en\/wp-json\/wp\/v2\/comments?post=18959"}],"version-history":[{"count":4,"href":"https:\/\/lda-audiotech.com\/en\/wp-json\/wp\/v2\/pages\/18959\/revisions"}],"predecessor-version":[{"id":86470,"href":"https:\/\/lda-audiotech.com\/en\/wp-json\/wp\/v2\/pages\/18959\/revisions\/86470"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lda-audiotech.com\/en\/wp-json\/wp\/v2\/media\/14989"}],"wp:attachment":[{"href":"https:\/\/lda-audiotech.com\/en\/wp-json\/wp\/v2\/media?parent=18959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}