{"id":15943,"date":"2026-05-29T11:01:56","date_gmt":"2026-05-29T11:01:56","guid":{"rendered":"https:\/\/thegadgetmaster.online\/?post_type=product&p=15943"},"modified":"2026-05-29T11:10:49","modified_gmt":"2026-05-29T11:10:49","slug":"sony-srs-ult30-ult-field-3","status":"publish","type":"product","link":"https:\/\/thegadgetmaster.online\/?product=sony-srs-ult30-ult-field-3","title":{"rendered":"Sony SRS-ULT30 (ULT Field 3)"},"content":{"rendered":"
\n

Sony SRS-ULT30 (ULT Field 3) \u2013 Product Overview<\/h2>\n

The Sony SRS-ULT30<\/strong>, also known as the ULT FIELD 3<\/strong>, is a portable Bluetooth speaker from Sony<\/span><\/span> designed for powerful bass, outdoor durability, and long battery life<\/strong> as part of Sony\u2019s \u201cULT Power Sound\u201d series.<\/p>\n

It is built for people who want a compact but loud speaker with deep bass boost modes<\/strong>.<\/p>\n

Sound Performance<\/h2>\n

The ULT30 focuses heavily on bass-driven audio:<\/p>\n

    \n
  • 1 woofer + 1 tweeter system for clear stereo sound<\/li>\n
  • ULT POWER SOUND mode<\/strong> for extra deep bass boost<\/li>\n
  • Custom EQ support via Sony Sound Connect app<\/li>\n
  • Strong volume output for its size<\/li>\n
  • Balanced mids and highs, but bass is the main focus<\/li>\n<\/ul>\n

    Overall sound signature: powerful, bass-heavy, and party-oriented<\/strong>.<\/p>\n

    Bass & Sound Modes<\/h2>\n
      \n
    • ULT button (bass boost mode)<\/li>\n
    • Standard listening mode (balanced sound)<\/li>\n
    • Sound field optimization (auto tuning)<\/li>\n
    • Party Connect support for linking multiple Sony speakers<\/li>\n<\/ul>\n

      Battery Life<\/h2>\n
        \n
      • Up to ~24 hours playback<\/strong> on a full charge<\/li>\n
      • USB-C charging<\/li>\n
      • Power bank function (can charge phone)<\/li>\n
      • Efficient power use even at higher volumes<\/li>\n<\/ul>\n

        Durability & Design<\/h2>\n
          \n
        • IP66 \/ IP67 water & dust resistant (very rugged)<\/li>\n
        • Portable cylindrical design with strap<\/li>\n
        • Built for outdoor use (beach, pool, travel)<\/li>\n
        • Weight around 1.2 kg<\/strong><\/li>\n<\/ul>\n

          Connectivity & Features<\/h2>\n
            \n
          • Bluetooth 5.2<\/li>\n
          • Party Connect (multi-speaker sync)<\/li>\n
          • Hands-free calling<\/li>\n
          • USB-C input\/output<\/li>\n
          • Works with Sony Sound Connect app<\/li>\n<\/ul>\n

            Strengths vs Weaknesses<\/h2>\n

            Strengths:<\/strong><\/p>\n

              \n
            • Very strong bass (ULT boost mode)<\/li>\n
            • Excellent battery life (24h)<\/li>\n
            • Fully waterproof and dustproof<\/li>\n
            • Loud for its compact size<\/li>\n
            • Can charge your phone<\/li>\n<\/ul>\n

              Weaknesses:<\/strong><\/p>\n

                \n
              • Bass can overpower mids at high volume<\/li>\n
              • Not as detailed as audiophile speakers<\/li>\n
              • Heavy compared to ultra-portables<\/li>\n
              • Best experience mainly in bass-heavy music<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

                Sony SRS-ULT30 (ULT Field 3) \u2013 Product Overview The Sony SRS-ULT30, also known as the ULT FIELD 3, is a portable Bluetooth speaker from Sony designed for powerful bass, outdoor durability, and long battery life as part of Sony\u2019s \u201cULT Power Sound\u201d series. It is built for people who want a compact but loud speaker […]<\/p>\n","protected":false},"featured_media":15946,"template":"","meta":[],"product_brand":[225],"product_cat":[156,251,132],"product_tag":[381,226],"class_list":["post-15943","product","type-product","status-publish","has-post-thumbnail","product_brand-sony","product_cat-bluetooth-speakers","product_cat-sony","product_cat-speakers","product_tag-bluetooth-speaker","product_tag-sony","ts_product_brand-sony","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/thegadgetmaster.online\/index.php?rest_route=\/wp\/v2\/product\/15943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thegadgetmaster.online\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/thegadgetmaster.online\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thegadgetmaster.online\/index.php?rest_route=\/wp\/v2\/media\/15946"}],"wp:attachment":[{"href":"https:\/\/thegadgetmaster.online\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15943"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/thegadgetmaster.online\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=15943"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/thegadgetmaster.online\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=15943"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/thegadgetmaster.online\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=15943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}