{"type":"firestarter.listing","listing":{"id":"lst_S4MCICdC","product_name":"TRN EMX","category":"Earphones/IEMs","description":"\n\n\n14.2mm Large Size Beryllium-Plated Diaphragm Driver\nGood sound comes not only from the size of the sound-generating unit but also from the material of the diaphragm. After many tests by the acoustic R&amp;D team, we have equipped the EMX with a beryllium-coated diaphragm dynamic driver, using the unique beryllium diaphragm material. Rigidity and thinness, the low-frequency performance is magnificent, and the sense of speed and power is more clean and neat.\n\n\n\n\n\nExcellent New-Designed Geometry Shape\nThe beauty of minimalist geometry produces a sense of smooth lines, which directly hits the visual aesthetic. The cavity design brings a transparent and atmospheric sound bottom, creating a rich and full low-frequency experience, and the sound field shocks.\n\n\n\n\n\nThe Aluminum Alloy Cavity &amp; Half-Open Exhaust Design\nEMX follows the fine workmanship and solid materials of TRN, and adopts an all-aluminum alloy cavity formed by five-axis CNC precision cutting, which effectively suppresses resonance and brings more comfortable and natural high-frequency extension performance.\n\n\n\n\n\nProfessional Acoustic Structure\nThe professional acoustic structure design provides a stage for the dynamic unit to display its strength and satisfy the discerning ears with its strength. Fully exploit the power of the dynamic driver. The EMX cover with a half-open exhaust design, It can effectively suppress the refraction of sound waves in the cavity, making the bass dive better and more powerful.\n\n\n\n\n\nHigh-Purity Cable With Interchangeable Audio Connectors\nEMX comes with 8-core high-purity silver-plated oxygen-free copper cable. What's more, EMX adopts a personalized interchangeable plug-in design , Allow enthusiasts to freely upgrade cables and create infinite possibilities. Plug and play convenience with 3.5mm ,2.5mm and 4.4mmbalanced plugs to choose from.\n\n\n\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/products/b8421501ceee8ed8defa49d79fc692df_156606cd-01f7-49f5-ae7b-8bdf229028f6.jpg?v=1662541500"],"price":39.8,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:47.276Z"},"share_url":"https://firestarter.network/l/lst_S4MCICdC","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_S4MCICdC' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TRN EMX' and a budget_max comfortably above $39.80 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."]}}