{"id":444,"date":"2026-02-04T02:38:06","date_gmt":"2026-02-04T02:38:06","guid":{"rendered":"https:\/\/zsoundpro.com\/?p=444"},"modified":"2026-07-17T08:07:50","modified_gmt":"2026-07-17T08:07:50","slug":"la18sp-iii-masterful-powered-18-inch-sub","status":"publish","type":"post","link":"https:\/\/zsoundpro.com\/fr\/la18sp-iii-masterful-powered-18-inch-sub\/","title":{"rendered":"LA18SP-III Active 18 inch subwoofer"},"content":{"rendered":"\n
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ZSOUND | Powered 18 Inch Sub<\/a> for Incredible Bass<\/h2>\n\n\n

LA18SP-III Active 18 inch subwoofer<\/h1>\n\n\n

Applications<\/h2>\n\n\n\n
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  • Touring performance<\/li>\n\n\n\n
  • Theatre and multi-function hall<\/li>\n\n\n\n
  • Church<\/li>\n<\/ul>\n\n\n\n

    Feature<\/h2>\n\n\n\n
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    • Powered subwoofer<\/li>\n\n\n\n
    • Compact, vented, horn-loaded design<\/li>\n\n\n\n
    • Direct radiating 18-inch woofer<\/li>\n\n\n\n
    • Large port reduces air turbulence noise<\/li>\n\n\n\n
    • Built-in amplifier and DSP<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n
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      Technical Specification<\/h3>\n\n\n\n
      Parameter Name<\/th>Parameter Value<\/th><\/tr><\/thead>
      FREQUENCY RESPONSE<\/td>32 Hz-180 Hz(\u00b13 dB) 30 Hz-250 Hz(-10 dB)<\/td><\/tr>
      NOMINAL COVERAGE (-6dB)<\/td>Omnidirectional<\/td><\/tr>
      SENSITIVITY (@1w\/1m)<\/td>137db SPL peak<\/td><\/tr>
      POWER RATING (AES)<\/td>3200W<\/td><\/tr>
      POWER REQUIREMENT<\/td>200-240V~50-60Hz<\/td><\/tr>
      AMPLIFIER MODULE<\/td>Dual channel 2000W (4\u03a9)<\/td><\/tr>
      THD+N<\/td>0.82%<\/td><\/tr>
      SNR<\/td>104 dB<\/td><\/tr>
      COOLING SYSTEM<\/td>Airflow from back to front, Forced cooling<\/td><\/tr>
      OUTPUT ELECTRIC CIRCUIT<\/td>Class D circuit<\/td><\/tr>
      DRIVERS<\/td>1×18″ (75mm voice coil) subwoofer<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n
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      Physical Data<\/h3>\n\n\n\n
      Parameter Name<\/th>Parameter Value<\/th><\/tr><\/thead>
      DIMENSIONS (HxWxD)<\/td>530 x 730 x 600 mm<\/td><\/tr>
      WEIGHT<\/td>42 kg \/ 93 lbs<\/td><\/tr>
      CONNECTORS<\/td>2 x NL4MP Neutrik Speakon connectors<\/td><\/tr>
      SPEAKER CABLES<\/td>1+1-<\/td><\/tr>
      MATERIALS<\/td>18mm, 24mm birch multi-plywood<\/td><\/tr>
      FINISH<\/td>Black polyurea paintings<\/td><\/tr>
      GRILLE<\/td>Black epoxy mesh grille with acoustically reticulated foam<\/td><\/tr>
      DIAGRAMS<\/td>Front, Side, Top views provided in image<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n