{"id":485,"date":"2026-02-11T09:44:45","date_gmt":"2026-02-11T09:44:45","guid":{"rendered":"https:\/\/zsoundpro.com\/?p=485"},"modified":"2026-02-11T09:44:48","modified_gmt":"2026-02-11T09:44:48","slug":"ls21-21-inch-subwoofer","status":"publish","type":"post","link":"https:\/\/zsoundpro.com\/fr\/ls21-21-inch-subwoofer\/","title":{"rendered":"LS21 21 inch subwoofer"},"content":{"rendered":"
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LS21 21 inch subwoofer<\/h1>\n\n\n

Applications<\/h2>\n\n\n\n
    \n
  • Middle and large touring performance<\/li>\n\n\n\n
  • Stadium<\/li>\n<\/ul>\n\n\n\n

    Feature<\/h2>\n\n\n\n
      \n
    • Neodymium high-sensitivity driver, maximum headroom<\/li>\n\n\n\n
    • High-power output cabinet<\/li>\n\n\n\n
    • Ultra-low frequency limiting<\/li>\n\n\n\n
    • Multiple ergonomic handles on each side<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n
      \n
      \n

      Technical Specification<\/h3>\n\n\n\n
      Parameter Name<\/th>Parameter Value<\/th><\/tr><\/thead>
      FREQUENCY RESPONSE<\/td>25 Hz-250 Hz (\u00b13 dB)<\/td><\/tr>
      NOMINAL COVERAGE (\u00b16dB)<\/td>Omnidirectional<\/td><\/tr>
      SENSITIVITY (@1w\/1m)<\/td>98 dB SPL<\/td><\/tr>
      POWER RATING (AES)<\/td>1200W (AES)<\/td><\/tr>
      NOMINAL IMPEDANCE<\/td>8 ohms<\/td><\/tr>
      MAXIMUM SPL<\/td>140 dB SPL peak<\/td><\/tr>
      DRIVERS<\/td>1×21\u201d neodymium woofer (135mm voice coil)<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n
      \n

      Physical Data<\/h3>\n\n\n\n
      Parameter Name<\/th>Parameter Value<\/th><\/tr><\/thead>
      Dimensions (HxWxD)<\/td>648 x 1100 x 700 mm<\/td><\/tr>
      WEIGHT<\/td>100.6 kg \/ 221 lbs<\/td><\/tr>
      CONNECTORS<\/td>2 x NL4 connectors<\/td><\/tr>
      SPEAKER CABLES<\/td>1+1- \/ 2+2- (N\/C)<\/td><\/tr>
      MATERIALS<\/td>15mm, 18mm, 24mm Baltic birch plywood<\/td><\/tr>
      FINISH<\/td>Black Polyurea paintings<\/td><\/tr>
      GRILLE<\/td>Black epoxy mesh grille with acoustically reticulated cloth<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

      Applications Feature Technical Specification Parameter Name Parameter Value FREQUENCY RESPONSE 25 Hz-250 Hz (\u00b13 dB) NOMINAL COVERAGE (\u00b16dB) Omnidirectional SENSITIVITY (@1w\/1m) 98 dB SPL POWER RATING (AES) 1200W (AES) NOMINAL IMPEDANCE 8 ohms MAXIMUM SPL 140 dB SPL peak DRIVERS 1×21\u201d neodymium woofer (135mm voice coil) Physical Data Parameter Name Parameter Value Dimensions (HxWxD) 648 […]<\/p>\n","protected":false},"author":1,"featured_media":486,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-485","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pro_audio"],"jetpack_featured_media_url":"https:\/\/zsoundpro.com\/wp-content\/uploads\/2026\/02\/LS21-\u4e3b\u56fe-1.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/posts\/485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/comments?post=485"}],"version-history":[{"count":1,"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/posts\/485\/revisions"}],"predecessor-version":[{"id":487,"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/posts\/485\/revisions\/487"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/media\/486"}],"wp:attachment":[{"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/media?parent=485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/categories?post=485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zsoundpro.com\/fr\/wp-json\/wp\/v2\/tags?post=485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}