{"type":"firestarter.listing","listing":{"id":"lst_DTD_KG5N","product_name":"TANGZU Xuanwu Gate","category":"Earphones/IEMs","description":"\n\nDynamic Driver + Balanced Armatures + Sonion EST\nEquipped with a 10mm carbon composite diaphragm dynamic driver unit for low frequencies, the Xuanwu Gate delivers powerful yet precise bass response with low distortion and quick response. Four custom composite balanced armature drivers dedicated to mid-high and high frequencies ensure clear, detailed sound reproduction. Additionally, two Sonion EST electrostatic speaker units optimize balance and enhance detail amplification for a mellow, transparent sound.\n\n\nAerospace-Grade Aluminium Alloy CNC Construction\nCrafted from aerospace-grade aluminum alloy using advanced CNC technology, the Xuanwu Gate combines premium materials with meticulous design. The gold-plated panel and curved lines exude sophistication while effectively reducing internal resonance for stable, clean sound output.\n\n\nTerraced Field Line Design\nInspired by Chinese terraced fields, the exterior design of the Xuanwu Gate enhances comfort and aesthetics. The flowing lines emphasize the grand and melodious sound style, reminiscent of vast mountain landscapes and smooth terrains.\n\n\nDetachable Cable Design with Premium Materials\nFeaturing a 0.78mm detachable cable design, the Xuanwu Gate offers enhanced functionality and versatility. The included 8-core single crystal copper silver-plated cable with a Litz structure ensures optimal signal transmission for an exceptional audio experience.\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3_1_3131f003-c9bc-4489-b36c-c39a9593e677.jpg?v=1708683816","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/DSC_6990.jpg?v=1708913610","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/DSC_6996.jpg?v=1708913635","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/DSC_7009.jpg?v=1708913662","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/DSC_7045.jpg?v=1708913685"],"price":649,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:46.298Z"},"share_url":"https://firestarter.network/l/lst_DTD_KG5N","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 ","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_DTD_KG5N' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TANGZU Xuanwu Gate' and a budget_max comfortably above $649.00 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."]}}