{"id":8839,"date":"2026-07-14T05:00:26","date_gmt":"2026-07-14T03:00:26","guid":{"rendered":"https:\/\/commercialaudio.proel.com\/prodotti\/uncategorized\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\/"},"modified":"2026-07-14T04:30:43","modified_gmt":"2026-07-14T02:30:43","slug":"sw18a-18-direct-radiating-powered-core-processed-subwoofer","status":"publish","type":"product","link":"https:\/\/commercialaudio.proel.com\/en\/prodotto\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\/","title":{"rendered":"18\u201d, Direct Radiating, Powered, CORE Processed, Subwoofer"},"content":{"rendered":"<table style=\"border-collapse:collapse;width:577pt\" width=\"769\">\n<colgroup>\n<col style=\"width:152pt\" width=\"203\" \/>\n<col style=\"width:425pt\" width=\"566\" \/>\t<\/colgroup>\n<tbody>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl119\" colspan=\"2\" height=\"21\" style=\"width:577pt;height:15.75pt\" width=\"769\"><strong>SYSTEM<\/strong><\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">System\u2019s Acoustic Principle<\/td>\n<td class=\"xl70\">Direct radiation, vented<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Frequency Response (-6dB)<\/td>\n<td class=\"xl70\">36 Hz &#8211; 100 Hz (Processed)<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Maximum (peak) Output<\/td>\n<td class=\"xl59\">132 dB SPL @ 1m<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl119\" colspan=\"2\" height=\"21\" style=\"width:577pt;height:15.75pt\" width=\"769\"><strong>TRANSDUCERS<\/strong><\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Type<\/td>\n<td class=\"xl70\">18&#8243;, 4&#8243; VC<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Cone<\/td>\n<td class=\"xl68\">High stiffness, water repellent, glass fiber reinforced diaphragm<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Voice Coil Type<\/td>\n<td class=\"xl68\">Flux Demodulating Ring<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Suspension<\/td>\n<td class=\"xl68\">Double Centering Spider<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl119\" colspan=\"2\" height=\"21\" style=\"width:577pt;height:15.75pt\" width=\"769\"><strong>ELECTRICAL<\/strong><\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Input Impedance<\/td>\n<td class=\"xl70\">20 k\u03a9 balanced, 10 k\u03a9 unbalanced<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Input Sensitivity<\/td>\n<td class=\"xl70\">\u00a0+4dBu \/ 1.25 V<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Signal Processing<\/td>\n<td class=\"xl70\">CORE processing, 96kHz \/ 40bit floating point SHARC DSP, 24 bit\u00a0 AD\/DA converters<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Direct access Controls<\/td>\n<td class=\"xl70\">4 Presets (STANDARD\/INFRASUB\/CARDIOID\/USER), Network Termination, GND Link<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Remote Controls<\/td>\n<td class=\"xl70\">PRONET control software<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Network protocol<\/td>\n<td class=\"xl70\">CANBUS\u00a0<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Amplifier Type<\/td>\n<td class=\"xl70\">Class D with SMPS, Variable Switching Frequency<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Output Power<\/td>\n<td class=\"xl70\">2000W\u00a0<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Mains Voltage Range (Vac)<\/td>\n<td class=\"xl70\">230V \u00b115%\u00a0 &#8211;\u00a0 115 \u00b115%\u00a0 50\/60Hz (internally selectable)<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">IN \/ OUT Connectors<\/td>\n<td class=\"xl70\">Neutrik XLR-M \/ XLR-F<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">IN \/ OUT Network Connectors<\/td>\n<td class=\"xl70\">ETHERCON\u00ae(NE8FAV)<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Mains Input Connector<\/td>\n<td class=\"xl70\">PowerCon\u00ae (NAC3MPA)<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl69\" height=\"21\" style=\"height:15.75pt\">Mains Link Connector<\/td>\n<td class=\"xl69\">PowerCon\u00ae (NAC3MPB)<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Cooling<\/td>\n<td class=\"xl70\">Variable speed DC fan<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl119\" colspan=\"2\" height=\"21\" style=\"width:577pt;height:15.75pt\" width=\"769\"><strong>ENCLOSURE &#038; CONSTRUCTION<\/strong><\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Width<\/td>\n<td class=\"xl70\">650 mm<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Height<\/td>\n<td class=\"xl70\">500 mm<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Depth<\/td>\n<td class=\"xl70\">564 mm<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Depth Including Wheels<\/td>\n<td class=\"xl70\">673 mm<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Enclosure Material<\/td>\n<td class=\"xl70\">15mm, reinforced phenolic birch<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Paint<\/td>\n<td class=\"xl70\">High resistance, water based paint<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Wheels<\/td>\n<td class=\"xl70\">4 x 100mm Polyurethane Wheels<\/td>\n<\/tr>\n<tr height=\"21\" style=\"height:15.75pt\">\n<td class=\"xl70\" height=\"21\" style=\"height:15.75pt\">Net Weight<\/td>\n<td class=\"xl70\">42.5 kg (93.7 lbs)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>The SW18A is a compact and powerful subwoofer that provides extended low frequency response for specific models in the ED series of high performance point source loudspeakers.<\/p>\n<p>The 18\u201d low frequency driver is a high power transducer equipped with a moisture resistant glass fibre reinforced cone. The double centering spider ensures that the 4\u201d voice coil always remains centered in the magnetic gap even under high excursion conditions.<\/p>\n<p>The 15mm phenolic birch plywood cabinet is provided with a 35mm pole mount socket to allow two-way ED series loudspeakers to be mounted above on standard speaker poles. Recessed handles are provided for easy lifting and handing, and the included polyurethane wheels aid transportation, while stacking feet and matching recesses enable secure ground stacks.<\/p>\n<p><strong>SYSTEM PROCESSING<\/strong>The system processing is based on the CORE DSP platform designed by the PROEL R&#038;D Laboratories using one of the most advanced SHARC DSP for audio application. It features 40bit, 96kHz floating point resolution and top quality 24bit AD\/DA converters for perfect signal integrity, dynamic range in excess of 110dB, and superior sonic performance. Thanks to its massive processing power, the CORE platform is capable of providing the most sophisticated algorithms for speaker processing, together with remote control and networking capability. The PRONET control software, working on a solid and reliable CANBUS based network protocol, provides an intuitive interface for the remote control of the whole system, with the possibility of EQing, delaying, managing the protection functions, and monitoring the status of the amplifier.<\/p>\n<p><strong>POWER AMPLIFIER<\/strong>The SW18A is powered by a DA SERIES digital power module. DA SERIES is a new generation of CLASS D power amplifiers with digitally-controlled SMPS. The innovative technology used for these amplifiers (including also the use of a variable switching frequency) offers top of the range performance, such as superior sound definition at any audio frequency, very high dynamics also for low level signals and very low distortion even at the maximum power. The superior sound quality can be compared with top-of-the-range AB-class analog systems, while the DA modules feature a higher dynamics, very compact size and light weight, andefficiency above 90%. The DA module employed for powering the SW18A delivers in an ultra-compact package power of 2000W to the LF driver. Such a large reserve of power means that the amplifier can handle very high voltage peaks, resulting in an impressive dynamic performance.<\/p>\n<p><strong>KEY FEATURES<\/strong>\u2022 Compact powered subwoofer\u2022 96KHz \/ 40 bit floating point CORE processing with PRONET remote control\u2022 Digitally controlled Class D amplifier module with SMPS\u2022 18\u201d woofer, 4\u201d voice coil\u2022 Water repellant cone\u2022 Heavy duty wheels\u2022 Pole mount socket<\/p>\n<p><strong>APPLICATIONS<\/strong>\u2022 Corporate and A\/V\u2022 Live music venues\u2022 Nightclubs and bars\u2022 House of Worship<\/p>\n","protected":false},"featured_media":18920,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[76,80],"product_tag":[70],"class_list":["post-8839","product","type-product","status-publish","has-post-thumbnail","product_cat-loudspeakers-en","product_cat-prosound-speakers-en","product_tag-proelca-en","first","instock","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>18\u201d, Direct Radiating, Powered, CORE Processed, Subwoofer - Proel Commercial Audio<\/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:\/\/commercialaudio.proel.com\/en\/prodotto\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"18\u201d, Direct Radiating, Powered, CORE Processed, Subwoofer - Proel Commercial Audio\" \/>\n<meta property=\"og:description\" content=\"The SW18A is a compact and powerful subwoofer that provides extended low frequency response for specific models in the ED series of high performance point source loudspeakers.The 18\u201d low frequency driver is a high power transducer equipped with a moisture resistant glass fibre reinforced cone. The double centering spider ensures that the 4\u201d voice coil always remains centered in the magnetic gap even under high excursion conditions.The 15mm phenolic birch plywood cabinet is provided with a 35mm pole mount socket to allow two-way ED series loudspeakers to be mounted above on standard speaker poles. Recessed handles are provided for easy lifting and handing, and the included polyurethane wheels aid transportation, while stacking feet and matching recesses enable secure ground stacks.SYSTEM PROCESSINGThe system processing is based on the CORE DSP platform designed by the PROEL R&amp;D Laboratories using one of the most advanced SHARC DSP for audio application. It features 40bit, 96kHz floating point resolution and top quality 24bit AD\/DA converters for perfect signal integrity, dynamic range in excess of 110dB, and superior sonic performance. Thanks to its massive processing power, the CORE platform is capable of providing the most sophisticated algorithms for speaker processing, together with remote control and networking capability. The PRONET control software, working on a solid and reliable CANBUS based network protocol, provides an intuitive interface for the remote control of the whole system, with the possibility of EQing, delaying, managing the protection functions, and monitoring the status of the amplifier.POWER AMPLIFIERThe SW18A is powered by a DA SERIES digital power module. DA SERIES is a new generation of CLASS D power amplifiers with digitally-controlled SMPS. The innovative technology used for these amplifiers (including also the use of a variable switching frequency) offers top of the range performance, such as superior sound definition at any audio frequency, very high dynamics also for low level signals and very low distortion even at the maximum power. The superior sound quality can be compared with top-of-the-range AB-class analog systems, while the DA modules feature a higher dynamics, very compact size and light weight, andefficiency above 90%. The DA module employed for powering the SW18A delivers in an ultra-compact package power of 2000W to the LF driver. Such a large reserve of power means that the amplifier can handle very high voltage peaks, resulting in an impressive dynamic performance.KEY FEATURES\u2022 Compact powered subwoofer\u2022 96KHz \/ 40 bit floating point CORE processing with PRONET remote control\u2022 Digitally controlled Class D amplifier module with SMPS\u2022 18\u201d woofer, 4\u201d voice coil\u2022 Water repellant cone\u2022 Heavy duty wheels\u2022 Pole mount socketAPPLICATIONS\u2022 Corporate and A\/V\u2022 Live music venues\u2022 Nightclubs and bars\u2022 House of Worship\" \/>\n<meta property=\"og:url\" content=\"https:\/\/commercialaudio.proel.com\/en\/prodotto\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\/\" \/>\n<meta property=\"og:site_name\" content=\"Proel Commercial Audio\" \/>\n<meta property=\"og:image\" content=\"https:\/\/commercialaudio.proel.com\/wp-content\/uploads\/2026\/02\/tmp_safe_6e5aa5b5f9b787104c5d39ea21b6cb19.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/commercialaudio.proel.com\\\/en\\\/prodotto\\\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\\\/\",\"url\":\"https:\\\/\\\/commercialaudio.proel.com\\\/en\\\/prodotto\\\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\\\/\",\"name\":\"18\u201d, Direct Radiating, Powered, CORE Processed, Subwoofer - 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Proel Commercial Audio","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:\/\/commercialaudio.proel.com\/en\/prodotto\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\/","og_locale":"en_US","og_type":"article","og_title":"18\u201d, Direct Radiating, Powered, CORE Processed, Subwoofer - Proel Commercial Audio","og_description":"The SW18A is a compact and powerful subwoofer that provides extended low frequency response for specific models in the ED series of high performance point source loudspeakers.The 18\u201d low frequency driver is a high power transducer equipped with a moisture resistant glass fibre reinforced cone. The double centering spider ensures that the 4\u201d voice coil always remains centered in the magnetic gap even under high excursion conditions.The 15mm phenolic birch plywood cabinet is provided with a 35mm pole mount socket to allow two-way ED series loudspeakers to be mounted above on standard speaker poles. Recessed handles are provided for easy lifting and handing, and the included polyurethane wheels aid transportation, while stacking feet and matching recesses enable secure ground stacks.SYSTEM PROCESSINGThe system processing is based on the CORE DSP platform designed by the PROEL R&D Laboratories using one of the most advanced SHARC DSP for audio application. It features 40bit, 96kHz floating point resolution and top quality 24bit AD\/DA converters for perfect signal integrity, dynamic range in excess of 110dB, and superior sonic performance. Thanks to its massive processing power, the CORE platform is capable of providing the most sophisticated algorithms for speaker processing, together with remote control and networking capability. The PRONET control software, working on a solid and reliable CANBUS based network protocol, provides an intuitive interface for the remote control of the whole system, with the possibility of EQing, delaying, managing the protection functions, and monitoring the status of the amplifier.POWER AMPLIFIERThe SW18A is powered by a DA SERIES digital power module. DA SERIES is a new generation of CLASS D power amplifiers with digitally-controlled SMPS. The innovative technology used for these amplifiers (including also the use of a variable switching frequency) offers top of the range performance, such as superior sound definition at any audio frequency, very high dynamics also for low level signals and very low distortion even at the maximum power. The superior sound quality can be compared with top-of-the-range AB-class analog systems, while the DA modules feature a higher dynamics, very compact size and light weight, andefficiency above 90%. The DA module employed for powering the SW18A delivers in an ultra-compact package power of 2000W to the LF driver. Such a large reserve of power means that the amplifier can handle very high voltage peaks, resulting in an impressive dynamic performance.KEY FEATURES\u2022 Compact powered subwoofer\u2022 96KHz \/ 40 bit floating point CORE processing with PRONET remote control\u2022 Digitally controlled Class D amplifier module with SMPS\u2022 18\u201d woofer, 4\u201d voice coil\u2022 Water repellant cone\u2022 Heavy duty wheels\u2022 Pole mount socketAPPLICATIONS\u2022 Corporate and A\/V\u2022 Live music venues\u2022 Nightclubs and bars\u2022 House of Worship","og_url":"https:\/\/commercialaudio.proel.com\/en\/prodotto\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\/","og_site_name":"Proel Commercial Audio","og_image":[{"width":1200,"height":1200,"url":"https:\/\/commercialaudio.proel.com\/wp-content\/uploads\/2026\/02\/tmp_safe_6e5aa5b5f9b787104c5d39ea21b6cb19.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/commercialaudio.proel.com\/en\/prodotto\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\/","url":"https:\/\/commercialaudio.proel.com\/en\/prodotto\/sw18a-18-direct-radiating-powered-core-processed-subwoofer\/","name":"18\u201d, Direct Radiating, Powered, CORE Processed, Subwoofer - 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