{"type":"firestarter.listing","listing":{"id":"lst_9qjWQWRB","product_name":"KZ ZST X","category":"Earphones/IEMs","description":"\n\n\nThe Upgraded Version of the Legend - KZ ZST.\nKZ ZST has accumulated quite good feedback from customers. Based on that, our team has upgraded it to the new hybrid king - KZ ZST X. Equipped with the KZ latest dynamic driver “XUN” and 30095 high performance balanced armature, along with the upgraded cable and classic innovative transparent cyan and purple color, ZST X excels in performance in every way. Get it, and start to enjoy the vivid HiFi world right away\n\n\n\n\n\n10mm XUN Dynamic Driver+30095 Balanced Armature.\nFor this model, it adopts the hybrid configuration to mix a 10mm large diameter dual magnetic driver with a 30095 balanced armature. The result is amazingly well with clean and tidy sound, fast and transient response while also maintains the lossless in high frequency. It provides rich and detailed performance, especially for the interpretation of different instrumental music\n\n\n\n\n\nUpgraded 3 Acoustic Tuning\nTuning is vital and as a brand knowing well of its customers, KZ has nailed it to get a horizontally and vertically matched three frequencies. Electronic frequency division and physical structure double tuning present a favorable sound, detailed and vivid\n\n\n\n\n\nUpgraded 0.75mm 2Pin Detachable Cable\nContinuing the legend, ZST X adopts standard 100 core high-purity silver-plated cable for quality sound performance. The cable can greatly reduce the loss and distortion in transmission, ensuring crystal clear and beautiful sound. Detachable feature provides fully upgradeability for future replacement. It offers more options than other products\n\n\n\n\n\nDetails Make Sense.\nDetails can either make it or mess it. Here for KZ ZST X we focus on every details. From the HD microphone to the patented soft silicone sleeve and the L/R mark on the earbuds, we never compromise. Designed based on ergonomics provides ultra comfort even for long time wearing. Earbuds will sit snugly in your ear\n\n\n\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/products/02_26e9acdd-db65-4373-9f82-22ebae79588a.jpg?v=1594366388","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/01_2be62182-d5b8-4e20-8b6c-3e0f5823d048.jpg?v=1594366388","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/03_a99b7a2e-11d5-4e6b-842f-abbb1073faa9.jpg?v=1594366389","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/04_b520c613-2d21-45e8-a8e6-41eafcb80c3c.jpg?v=1594366389","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/06_a37029b1-7ff9-4311-935d-d2c03c6efacb.jpg?v=1594366389","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/05_a32ef9ad-de35-4ff0-af03-6eaba67cade4.jpg?v=1594366389","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/03_eddad84c-f8b0-4977-b8ac-cd043f93635f.jpg?v=1594366389","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/b701ded2d8b5c0d44ae4bc61f510dfef.jpg?v=1594366389","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/357ad881ae565315befbccaaecbb011e.jpg?v=1594366389","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/e62fa769e367c56f7621fbe5e1ac2d09.jpg?v=1594366389","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/1a418727d73735e0961e85a36283d91a.jpg?v=1594366389"],"price":16,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:47.943Z"},"share_url":"https://firestarter.network/l/lst_9qjWQWRB","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_9qjWQWRB' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KZ ZST X' and a budget_max comfortably above $16.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}