{"type":"firestarter.listing","listing":{"id":"lst_wOxtol4L","product_name":"Fidue GEM4 4BA In Ear Earphone IEMs","category":"Earphone","description":"Features:-\n\n>High-Performance 4BA setup on each side featuring custom-made BA drivers.\n\n>Natural, Transparent sound tuning.\n\n>Three-way electronic frequency division.\n\n>Independent Acoustic Cavity.\n\n>Independent Air-Diversion A.G. module.\n\n>High-purity Silver-plated Monocrystalline Copper cable.\n\n>Standard 2-pin connectors.\n\n>Medical-grade Resin shells made using 3D printing technology.\n\n>Impedance: 50 ohms.\n\n>Sensitivity: 112dB.\n\n>Input Power: 50mW.\n\n>THD+N: <1%.\n\nFidue Gem 4 is a high-fidelity audio in-ear monitor featuring a four-driver composite balanced armature driver unit. The pair is designed using advanced technology including Fidue's self-developed independent Air Diversion Module, Independent Acoustic Cavity without any damping or ducting, three-way frequency division, 3D-printed medical-grade resin shells, all these ensuring a rich and transparent sound & premium build quality.\n\nHigh-Performance All-BA Driver Configuration:-\n\nFidue Gem 4 is a high-resolution all-BA IEM featuring a high-performance quad-driver composite BA driver unit on each side. Balanced Armature drivers are known to provide crisp, high-resolution sound output with rich clarity and detailing. The Fidue Gem 4 shows unmatchable acoustic capabilities producing true-to-life natural sound output.\n\nTuned By Professionals For Transparent, Natural Sound:-\n\nFidue has experience in tuning multi-driver in-ear monitors for veteran audiophiles as well as our regular music enthusiasts. Fidue uses that experience to tune the Gem 4, providing a high-resolution sound output with sweet treble, accurate mid-range, and strong bass response. We are pretty sure you are gonna love the smooth, rich sound output out of the Gem 4.\n\nThree-Way Electronic Frequency Division Technology:-\n\nFidue Gem 4 features a three-way electronic frequency division circuit. The energy of this circuit is finely adjusted to make the different driver units perform to the top of their potent","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fidue-gem4-4ba-in-ear-earphone-iems-earphone-hifigo-124200.jpg?v=1648886509","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fidue-gem4-4ba-in-ear-earphone-iems-hifigo-287000.jpg?v=1648530607","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fidue-gem4-4ba-in-ear-earphone-iems-hifigo-348616.jpg?v=1648530607","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fidue-gem4-4ba-in-ear-earphone-iems-hifigo-172225.jpg?v=1648530607","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fidue-gem4-4ba-in-ear-earphone-iems-hifigo-834348.jpg?v=1648530607"],"price":431.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:31.388Z"},"share_url":"https://firestarter.network/l/lst_wOxtol4L","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_wOxtol4L' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Fidue GEM4 4BA In Ear Earphone IEMs' and a budget_max comfortably above $431.99 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."]}}