{"product_id":"kz-castor-pro","title":"KZ Castor Pro In-Ear Monitors","description":"\u003cdiv class=\"bf-iem-story\" style=\"max-width:1120px;margin:0 auto;\"\u003e\n  \u003csection style=\"margin:8px 0 44px;\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1009\/2403\/1269\/files\/castor-05-band-factory-on-ear-lifestyle_37abb33b-2efe-4129-bdb5-78764a3f253c.png?v=1787875728\" alt=\"Musician wearing KZ Castor Pro in-ear monitors during a Band Factory rehearsal\" loading=\"lazy\" style=\"display:block;width:100%;border-radius:20px;aspect-ratio:16\/9;object-fit:cover;\"\u003e\n    \u003cdiv style=\"max-width:820px;margin:28px auto 0;text-align:center;\"\u003e\n      \u003cp style=\"color:#7fa2ff;font-size:13px;font-weight:800;letter-spacing:.14em;margin:0 0 10px;\"\u003eTUNABLE DUAL-DRIVER IEM\u003c\/p\u003e\n      \u003ch2 style=\"font-size:clamp(30px,5vw,52px);line-height:1.05;margin:0 0 16px;\"\u003eShape the sound around your set.\u003c\/h2\u003e\n      \u003cp style=\"font-size:18px;line-height:1.65;margin:0;opacity:.86;\"\u003eThe KZ Castor Pro combines two 10 mm dynamic drivers per earpiece with four physical tuning switches. It delivers real low-end movement and lets you adjust the balance without an app, battery or digital processor.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n  \u003csection aria-label=\"Product highlights\" style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:0 0 54px;\"\u003e\u003cdiv style=\"background:#11151d;border:1px solid rgba(104,145,255,.35);border-radius:16px;padding:22px;\"\u003e\n\u003cdiv style=\"color:#7fa2ff;font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:12px;\"\u003e01\u003c\/div\u003e\n\u003ch3 style=\"font-size:18px;margin:0 0 8px;\"\u003eDUAL 10 MM DRIVERS\u003c\/h3\u003e\n\u003cp style=\"margin:0;opacity:.82;line-height:1.55;\"\u003eDedicated dynamic drivers split low-frequency work from mids and highs for weight without losing the mix.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#11151d;border:1px solid rgba(104,145,255,.35);border-radius:16px;padding:22px;\"\u003e\n\u003cdiv style=\"color:#7fa2ff;font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:12px;\"\u003e02\u003c\/div\u003e\n\u003ch3 style=\"font-size:18px;margin:0 0 8px;\"\u003eFOUR TUNING SWITCHES\u003c\/h3\u003e\n\u003cp style=\"margin:0;opacity:.82;line-height:1.55;\"\u003eAdjust bass and upper-frequency balance directly on each shell to suit the room, player or programme.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#11151d;border:1px solid rgba(104,145,255,.35);border-radius:16px;padding:22px;\"\u003e\n\u003cdiv style=\"color:#7fa2ff;font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:12px;\"\u003e03\u003c\/div\u003e\n\u003ch3 style=\"font-size:18px;margin:0 0 8px;\"\u003eSECURE + SERVICEABLE\u003c\/h3\u003e\n\u003cp style=\"margin:0;opacity:.82;line-height:1.55;\"\u003eOver-ear routing, passive isolation and a replaceable 0.75 mm two-pin cable suit regular stage use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n  \u003csection style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;align-items:center;background:#0d1016;border-radius:20px;overflow:hidden;margin:0 0 54px;\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1009\/2403\/1269\/files\/castor-04-band-factory-rehearsal-rack_6d718f97-73b9-42c6-9238-49d3439eb89d.png?v=1787875728\" alt=\"KZ Castor Pro beside Band Factory rehearsal equipment\" loading=\"lazy\" style=\"display:block;width:100%;height:100%;min-height:300px;object-fit:cover;\"\u003e\n    \u003cdiv style=\"padding:32px;\"\u003e\n      \u003cp style=\"color:#7fa2ff;font-size:13px;font-weight:800;letter-spacing:.12em;margin:0 0 10px;\"\u003eWHY IT WORKS\u003c\/p\u003e\n      \u003ch2 style=\"font-size:clamp(25px,4vw,38px);line-height:1.12;margin:0 0 14px;\"\u003eFeel the kick without losing the band\u003c\/h2\u003e\n      \u003cp style=\"line-height:1.65;margin:0;opacity:.84;\"\u003eThe Castor Pro is especially useful for drummers and bassists who need low-frequency cues to stay obvious. Vocalists and keys players wanting a more neutral foundation should start with the Harman Edition.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n  \u003csection style=\"margin:54px 0 24px;\"\u003e\u003cdiv style=\"max-width:720px;margin:0 auto 24px;text-align:center;\"\u003e\n\u003ch2 style=\"font-size:clamp(26px,4vw,40px);margin:0 0 10px;\"\u003eChoose your edition\u003c\/h2\u003e\n\u003cp style=\"margin:0;opacity:.82;\"\u003eThe shell colour identifies two genuinely different factory tunings—select the sound as well as the look.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;\"\u003e\n\u003cfigure style=\"margin:0;background:#0b0d12;border-radius:16px;overflow:hidden;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1009\/2403\/1269\/files\/kz-castor-pro-harman-band-factory-dark.png?v=1788125057\" alt=\"Silver KZ Castor Pro Harman Edition in-ear monitors\" loading=\"lazy\" style=\"display:block;width:100%;aspect-ratio:1\/1;object-fit:contain;background:#0b0d12;\"\u003e\u003cfigcaption style=\"background:#11151d;color:#fff;padding:14px 16px;font-weight:750;text-align:center;\"\u003eHarman Edition · Silver\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure style=\"margin:0;background:#0b0d12;border-radius:16px;overflow:hidden;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1009\/2403\/1269\/files\/kz-castor-pro-bass-up-band-factory-dark.png?v=1788125069\" alt=\"Black KZ Castor Pro Bass Up Edition in-ear monitors\" loading=\"lazy\" style=\"display:block;width:100%;aspect-ratio:1\/1;object-fit:contain;background:#0b0d12;\"\u003e\u003cfigcaption style=\"background:#11151d;color:#fff;padding:14px 16px;font-weight:750;text-align:center;\"\u003eBass Up Edition · Black\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\n  \u003csection aria-label=\"Driver architecture and frequency response\" style=\"margin:54px 0;padding:clamp(22px,4vw,40px);background:linear-gradient(145deg,#090b10,#111725);border:1px solid rgba(127,162,255,.24);border-radius:22px;\"\u003e\n    \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:30px;align-items:center;margin:0 0 34px;\"\u003e\n      \u003cdiv\u003e\n        \u003cp style=\"color:#7fa2ff;font-size:13px;font-weight:800;letter-spacing:.14em;margin:0 0 9px;\"\u003eUNDER THE SHELL\u003c\/p\u003e\n        \u003ch2 style=\"font-size:clamp(27px,4vw,42px);line-height:1.1;margin:0 0 14px;\"\u003eTwo 10 mm dynamic drivers, with the workload divided\u003c\/h2\u003e\n        \u003cp style=\"font-size:17px;line-height:1.65;margin:0;opacity:.86;\"\u003eOne dynamic driver concentrates on low frequencies while the second covers the rest of the range. KZ's electronic crossover coordinates them, giving kick and bass real movement without asking one diaphragm to reproduce everything.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1009\/2403\/1269\/files\/kz-castor-pro-driver-architecture.webp?v=1788125160\" alt=\"KZ Castor Pro dual 10 mm dynamic-driver layout and electronic crossover\" loading=\"lazy\" style=\"display:block;width:100%;border-radius:16px;aspect-ratio:16\/10;object-fit:contain;background:#080a0f;\"\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"max-width:820px;margin:0 0 20px;\"\u003e\n      \u003cp style=\"color:#7fa2ff;font-size:13px;font-weight:800;letter-spacing:.14em;margin:0 0 9px;\"\u003eTHE RESPONSE, MADE USEFUL\u003c\/p\u003e\n      \u003ch2 style=\"font-size:clamp(25px,4vw,38px);line-height:1.12;margin:0 0 12px;\"\u003eChoose the starting curve, then tune it on the shell\u003c\/h2\u003e\n      \u003cp style=\"line-height:1.65;margin:0;opacity:.84;\"\u003eHarman Edition starts from the more balanced baseline. Bass Up raises the low-frequency region for drummers, bassists and anyone who wants stronger physical cues. The four shell switches then let you make smaller bass and upper-frequency adjustments.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;\"\u003e\n\u003cfigure style=\"margin:0;background:#080a0f;border:1px solid rgba(127,162,255,.22);border-radius:16px;overflow:hidden;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1009\/2403\/1269\/files\/kz-castor-pro-harman-frequency-response.webp?v=1788125158\" alt=\"KZ Castor Pro Harman Edition official frequency-response graph\" loading=\"lazy\" style=\"display:block;width:100%;aspect-ratio:16\/10;object-fit:contain;background:#080a0f;\"\u003e\u003cfigcaption style=\"padding:12px 15px;color:#d9e2ff;font-size:14px;font-weight:750;\"\u003eHarman Edition · balanced baseline\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure style=\"margin:0;background:#080a0f;border:1px solid rgba(127,162,255,.22);border-radius:16px;overflow:hidden;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1009\/2403\/1269\/files\/kz-castor-pro-bass-up-frequency-response.webp?v=1788125163\" alt=\"KZ Castor Pro Bass Up Edition official frequency-response graph\" loading=\"lazy\" style=\"display:block;width:100%;aspect-ratio:16\/10;object-fit:contain;background:#080a0f;\"\u003e\u003cfigcaption style=\"padding:12px 15px;color:#d9e2ff;font-size:14px;font-weight:750;\"\u003eBass Up Edition · stronger low-frequency shelf\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n    \u003cp style=\"font-size:13px;line-height:1.55;margin:16px 0 0;opacity:.64;\"\u003eManufacturer measurement shown for comparison. Ear-tip seal, fit, ear anatomy and the source device all affect the response you actually hear.\u003c\/p\u003e\n  \u003c\/section\u003e\n  \u003csection style=\"max-width:820px;margin:54px auto 0;\"\u003e\n    \u003cp style=\"color:#7fa2ff;font-size:13px;font-weight:800;letter-spacing:.12em;margin:0 0 8px;\"\u003eQUICK ANSWERS\u003c\/p\u003e\n    \u003ch2 style=\"font-size:clamp(26px,4vw,40px);margin:0 0 14px;\"\u003eFrequently asked questions\u003c\/h2\u003e\n    \u003cdetails style=\"border-top:1px solid rgba(255,255,255,.16);padding:16px 0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:750;\"\u003eWhat is the difference between Harman and Bass Up?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;opacity:.82;line-height:1.6;\"\u003eSilver Harman starts from a more balanced response. Black Bass Up adds stronger low-frequency emphasis.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid rgba(255,255,255,.16);padding:16px 0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:750;\"\u003eDo the tuning switches need an app or power?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;opacity:.82;line-height:1.6;\"\u003eNo. They are physical controls on the shells. Use the supplied tool and set both earpieces the same.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid rgba(255,255,255,.16);padding:16px 0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:750;\"\u003eCan I use Castor Pro with a wireless IEM system?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;opacity:.82;line-height:1.6;\"\u003eYes, with most bodypacks that provide a standard 3.5 mm stereo headphone output.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border-top:1px solid rgba(255,255,255,.16);padding:16px 0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:750;\"\u003eDoes it have active noise cancellation?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;opacity:.82;line-height:1.6;\"\u003eNo. Isolation is passive and depends on choosing an ear tip that seals correctly.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cp style=\"margin:24px 0 0;padding:18px 20px;background:#11151d;border-left:3px solid #6f94ff;border-radius:0 12px 12px 0;\"\u003ePrefer hybrid-driver detail? \u003ca href=\"\/products\/kz-zs10-pro-x\"\u003eCompare the KZ ZS10 Pro X\u003c\/a\u003e. For fit and safe setup, read the \u003ca href=\"\/pages\/iem-fit-guide\"\u003eBand Factory IEM fit guide\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"KZ","offers":[{"title":"Harman Edition","offer_id":53671066861861,"sku":"BF-CASTORP-HRM","price":114.0,"currency_code":"NZD","in_stock":true},{"title":"Bass Up Edition","offer_id":53671066894629,"sku":"BF-CASTORP-BASS","price":129.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1009\/2403\/1269\/files\/castor-01-band-factory-studio-hero_6c6e17bf-057c-43cc-a096-7f1fd5b14f6a.png?v=1787875728","url":"https:\/\/bandfactory.nz\/products\/kz-castor-pro","provider":"Band Factory","version":"1.0","type":"link"}