{"type":"firestarter.listing","listing":{"id":"lst_zbJpWx-V","product_name":"FiiO FT1 Pro Open-Back Planar Headphones","category":"Headphone","description":"FiiO FT1 Pro Open-Back Planar Headphones\nThe FiiO FT1 Pro is designed for listeners who want the precision of planar technology in a lightweight, comfortable open-back headphone. Featuring a FiiO-developed 95×86mm planar driver, ultra-thin diaphragm with dual coating, and a finely engineered magnetic circuit, it delivers accurate sound across the frequency spectrum. Its open-back design and adjustable headband ensure a natural listening environment with lasting comfort.\nProprietary Large Planar Driver\nThe 95×86mm planar magnetic driver is fully-developed by FiiO, optimized for wide sound reproduction, low distortion, and detailed resolution.\nUltra-Thin Diaphragm with Dual Coating\nAt just 1μm thick, the diaphragm is coated with sapphire and aluminum for strength and responsiveness, ensuring clarity even at high dynamics.\nPatented Magnetic Field Design\nA uniform magnetic field, crafted with 28nm-grade process technology, minimizes signal loss and distortion for consistent, high-fidelity playback.\nLightweight and Comfortable Fit\nWeighing only 374g, the FT1 Pro uses a 12-level adjustable headband that distributes pressure evenly, allowing long listening sessions with reduced fatigue.\nOpen-Back Natural Sound\nThe open-back construction provides a spacious soundstage and natural airflow, making it suitable for home listening and critical audio work.\nProduct Highlights\n\nFiiO-developed 95×86mm planar driver\n\n1μm ultra-thin diaphragm with sapphire + aluminum dual coating\n\nPatented uniform magnetic field design\n\n28nm-grade process technology\n\n20Ω impedance for easy driveability\n\nOpen-back design with wide soundstage\n\nLightweight at 374g\n\n12-level adjustable headband for comfort\n\n\nSpecs\n\nDriver: 95×86mm FiiO-developed planar driver\n\nDiaphragm: 1μm thickness, sapphire + aluminum dual coating\n\nMagnetic circuit: Patented uniform field, 28nm-grade process\n\nImpedance: 20Ω\n\nWeight: 374g\n\nDesign: Open-back\n\nHeadband: 12-level adjustable lightweight design\n\n\nWhat’s Included\n\nFiiO FT1 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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_zbJpWx-V' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy FiiO FT1 Pro Open-Back Planar Headphones' and a budget_max comfortably above $219.99 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."]}}