{"type":"firestarter.listing","listing":{"id":"lst_QgoFbph6","product_name":"ND X12","category":"Earphones/IEMs","description":"\n\nUltimate Sound Quality Performance\nThe X12 boasts a Circle Iron Hybrid Drive combination, which integrates a parallel medium-frequency balanced armature driver group and a highly sensitive nano-dynamic driver. This strategic design covers the complete frequency band, effortlessly handling diverse music types and styles.\n\n\nNano Dual Magnet Dynamics\nDive deeper into your music with the 10mm Nano Dual Magnet Dynamic driver, enhancing vibration sensitivity. The 50024 double parallel medium-frequency Balanced Armature ensures detailed vocal processing, while the 30095 high-frequency Balanced Armature provides a broad sound field and fuller sound quality. Immerse yourself in the Dual Magnetic Dynamic Intra-cavity Sound Field Matrix, which precisely adjusts chamber air pressure for stunning Hi-Fi sound quality. The powerful hardware guarantees an immersive experience, carefully tuned to adapt to various genres of music.\n\n\nInnovative Technology Fusion\nThe bilateral 12 circle iron mix utilizes nano dual magnetic moving, 50024*4 Balanced Armature, and 30095 Balanced Armature. This innovative approach, blending physical hardware and technical frequency division, delivers exceptional sound across the entire frequency spectrum.\n\n\nNatural and Unambiguous Sound\nWith a 10mm nano dual magnetic diaphragm, the X12 ensures natural and unambiguous sound quality. Carbon nanomaterials bring high fidelity and resolution, emphasizing crisp and delicate low frequencies for a genuine audio experience.\n\n\nPremium Craftsmanship\nCrafted from CNC pure aluminum alloy, the X12's aviation-grade texture creates a solid headphone cavity. The lightweight design, available in different colors and craftsmanship, maintains stable high sound quality, isolating you from the outside world. Designed with ergonomics and modeled after extensive human ear data, the X12 ensures comfort during long listening sessions. Lightweight aluminum alloy, loop-wearing wire, and ND earplugs provide a secure and comfortable ","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3.5_1586fade-3de9-4685-8dd4-50694e420db5.jpg?v=1706865747","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3.5_e08fd332-549e-49c2-9f1d-c6c8cf3ed387.jpg?v=1706865747","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3.5_621a7f00-83f0-4146-a2c8-c888dd34fdd7.jpg?v=1706865747","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3.5_8d6b5187-4a3e-4ede-afc1-880a76e996b9.jpg?v=1706865625","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/X12.jpg?v=1706866826","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/X12_c0c84e6a-b03f-482c-9910-f20b42725271.jpg?v=1706866826","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/8_2395f6b9-b2a3-41bb-8497-be02909a06f3.jpg?v=1706866826","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/9_3bda464d-c8c6-4f24-9a13-52ada9242365.jpg?v=1706866826","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/10_57e0b74a-0472-4cf7-96dc-93204452568b.jpg?v=1706866826","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/2_0ad15346-de8b-4d38-905d-5b511c6b6a4b.jpg?v=1706865627","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3_1567782c-faf3-42f3-8ed0-5446f6fbd5f2.jpg?v=1706865632","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/4_9366039d-9d43-40e4-b568-b5323fea919f.jpg?v=1706865640","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/5_cb0da8b0-c3b1-48fa-9775-ab250d26a344.jpg?v=1706865637","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/6_2bd50ab6-4701-4222-ba80-2d681036c1f1.jpg?v=1706865636","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/7_802d845b-ec07-4881-b538-d8bba56f6fbe.jpg?v=1706865634"],"price":51.9,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:46.312Z"},"share_url":"https://firestarter.network/l/lst_QgoFbph6","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_QgoFbph6' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy ND X12' and a budget_max comfortably above $51.90 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."]}}