{"type":"firestarter.listing","listing":{"id":"lst_QYEIYH3f","product_name":"Pre-Order FiiO JT7 Planar Magnetic Driver Open-Back Headphones","category":null,"description":"Features:-\n\n>High-Performance Open-Back Planar Magnetic Driver Headphones.\n\n>95x86mm Large-Sized Planar Driver.\n\n>3µm Ultra-Thin Diaphragm.\n\n>F.E.S. Elastic System.\n\n>Two-Way Heterogeneous High-Density Magnets.\n\n>Lightweight Foldable Design.\n\n>Ergonomic Headband with Four-Axis Rotation.\n\n>Replaceable EarPads and Headband Cushion.\n\n>3.5mm+4.4mm Stock Cables Included.\n\n>Hi-Res Audio Certified.\n\nTechnical Information:-\n\n>Impedance: 18Ω@1kHz.\n\n>Sensitivity: 92dB/mW@1kHz, 109dB/Vrms@1kHz.\n\n>Frequency Response: 7Hz~40kHz.\n\n>Headphone Connectors: 3.5mm.\n\n>Cable Termination: 3.5mm/4.4mm.\n\n>Weight: About 318grams.\n\nFIiO JT7 is a brand-new open-back over-ear planar magnetic driver headphone built for audiophiles who seek detailed and lively sound with all-day comfort. It utilizes a proprietary 95x86mm planar magnetic driver with a 3µm ultra-thin diaphragm. It adopts the unique F.E.S(FiiO Elastic System) that allows precise signal response, great elasticity, and also adds a powerful bass response while maintaining ultra-low distortion. FiiO has designed the pair with dual high-density neodymium magnets that deliver a high-sensitivity design to the JT7. Through precise engineering, FiiO has utilized a chip-grade 28nm manufacturing process to seamlessly integrate the diaphragm and voice coil. FiiO JT7 is a premium-sounding over-ear headphone that delivers true high-fidelity sound without breaking your bank!! Enjoy the finest details in your favourite music with great comfort available on the FiiO JT7!!\n\nSelf-Developed Large-Sized Planar Magnetic Driver:-\n\nFiiO has developed a large 95x86mm planar magnetic driver for the JT7. This driver is designed from the ground up with in-depth R&D for different components, including the diaphragm, voice coil, and magnetic circuit. Being totally in-house developed, the driver has guaranteed consistency and promises excellent sound quality. It utilizes a 3µm ultra-thin diaphragm that offers l","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jt7-planar-magnetic-driver-open-back-headphones-fiio-663617.jpg?v=1762142779","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jt7-planar-magnetic-driver-open-back-headphones-fiio-688140.webp?v=1762142749","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jt7-planar-magnetic-driver-open-back-headphones-fiio-455931.webp?v=1762142757","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jt7-planar-magnetic-driver-open-back-headphones-fiio-112066.webp?v=1762142748","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jt7-planar-magnetic-driver-open-back-headphones-fiio-231211.webp?v=1762142761","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jt7-planar-magnetic-driver-open-back-headphones-fiio-221854.webp?v=1762142771","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-fiio-jt7-planar-magnetic-driver-open-back-headphones-fiio-jt7-black-191052.webp?v=1762142759"],"price":129.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:28.672Z"},"share_url":"https://firestarter.network/l/lst_QYEIYH3f","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_QYEIYH3f' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Pre-Order FiiO JT7 Planar Magnetic Driver Open-Back Headphones' and a budget_max comfortably above $129.99 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."]}}