{"type":"firestarter.listing","listing":{"id":"lst_HesN4PMz","product_name":"KZ ZSX","category":"In-Ear Monitors","description":"\n\n\nNewest 5BA+1DD Hybrid Earphones\nAfter several successful series of hybrid driver earphones, here comes the terminator, KZ ZSX. It features high quality driver configurations which includes two DWEK BA drivers for medium and high frequency, one DD for low frequency and one 30095 driver for high frequency. With this setting, the sound is powerful and comprehensive, dynamic and bright in all respects. While maintaining the previous performance, the high frequency of this model is extended.\n\n \n\nExquisite Craft.\nThe faceplate is made of zinc alloy while the cavity is made from imported resin. The two different material not only presents an elegant look and shimmer but also be practical and durable. The detachable gold-plated 2 pin cable offers fully upgradability and the limit slot protection design greatly avoids the pin from breaking and prolongs the service life of the interface.\n\n \n\nPhysical Electronic Compound Tuning\nBy having the reasonable cavity structure, finely balancing the vocal channels of each unit, the sound field reaches a deep performance. The details are rich. You can experience the full play of all the drivers, displaying a smooth, sensible, detailed music experience\n\n\n\n\n\nImproved Ergonomic Design\nThe cavity is made based on large data of cochlea. It’s scientifically molded to fit the ear like an customized earbuds. Even with vigorous exercise, it will still securely fit in the ear. Comfortable for long time wearing as well. Because of the special design, it can effectively isolate the noise to offer a better experience while enjoying the music.\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/products/01.jpg?v=1566712172","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/02.jpg?v=1566712177","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/03.jpg?v=1566712182","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/04.jpg?v=1566712194","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/05.jpg?v=1566712197","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/01_4187918c-eb70-4ef5-99cb-a8cc4512ab95.jpg?v=1566712207","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/02_c64eced5-dfd7-492e-bce9-3f3b3b425e19.jpg?v=1566712215","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/03_7446daf3-959d-4c24-860b-0b26b522eab2.jpg?v=1566712223","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/04_22936e4d-4f99-4c5b-9e2c-7d4b0008fda6.jpg?v=1566712230","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/05_33260591-4ea9-4147-b8fa-10fa8790e53d.jpg?v=1566712239","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/06.jpg?v=1566712244","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/07.jpg?v=1566712251"],"price":49.99,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:48.031Z"},"share_url":"https://firestarter.network/l/lst_HesN4PMz","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_HesN4PMz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KZ ZSX' and a budget_max comfortably above $49.99 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."]}}