{"type":"firestarter.listing","listing":{"id":"lst_S75XzY6F","product_name":"FiiO FX15 4 Electrostatic + 1DD + 1BA Hybrid In-Ear Monitors","category":null,"description":"\n*The curve is measured by a third party and is for reference only.\n\nFeatures:-\n\n>FiiO’s First IEMs with EST Drivers.\n\n>Six-Driver Hybrid Configuration.\n\n>Four Highly-Resolving SONION Electrostatic Drivers.\n\n>One High-Performance Knowles Balanced Armature Driver.\n\n>One Customised 10mm DLC Dome Dynamic Driver.\n\n>Unique Conceptual “Sound & Shape” Design.\n\n>Switch to Turn EST Drivers On.\n\n>FiiO’s Patented S. Turbo Acoustic Architecture.\n\n>Professional DLP 3D-Printed Resin Ear Cavities.\n\n>Ergonomic & Lightweight.\n\n>224-Core High-Purity Sterling Silver Stock Cable.\n\n>Secure MMCX Connectors.\n\n>Modular Termination Plug System.\n\nTechnical Information:-\n\n>Impedance: 24Ω@1kHz.\n\n>Frequency Response Range: 20Hz-40kHz.\n\n>Sensitivity: 103dB/mW.\n\n>Termination Plugs: 4.4mm+3.5mm.\n\nIntroducing the all-new FiiO FX15 a multi-driver hybrid set of IEMs with a six-driver hybrid driver setup on each side. The pair houses a combination of three types of drivers featuring a 10mm DLC Dynamic driver, a Knowles premium Balanced Armature Driver, and four units of Sonion EST drivers. The FiiO FX15 is the first product from FiiO to feature EST implementation. It has been designed with utmost precision and great professionalism to provide high-end level sound quality with a comfortable wearing experience. With professional tuning adjustments, FiiO FX15 delivers its users great sound resolution and the ultimate music listening experience!!\n\nPremium Sound With Highly-Equipped Architecture:-\n\nFIiO as a brand has got years of expertise in the design and development of premium quality audio gear. They have designed the latest FX15 with a unique six-driver hybrid configuration promising high-end sound to its users. The pair houses a special 10mm DLC Dome Dynamic Driver for a strong lower end, a Knowles mid-high-frequency driver unit, and four Sonion EST high-frequency driver units. The drivers work together to produce a truly high-resolution sou","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fiio-fx15-4-electrostatic-1dd-1ba-hybrid-in-ear-monitors-hifigo-252814.jpg?v=1689998502","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fiio-fx15-4-electrostatic-1dd-1ba-hybrid-in-ear-monitors-hifigo-311898.jpg?v=1689998434","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fiio-fx15-4-electrostatic-1dd-1ba-hybrid-in-ear-monitors-hifigo-138158.jpg?v=1689998475","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fiio-fx15-4-electrostatic-1dd-1ba-hybrid-in-ear-monitors-hifigo-150632.jpg?v=1689998420","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fiio-fx15-4-electrostatic-1dd-1ba-hybrid-in-ear-monitors-hifigo-477613.jpg?v=1689998393","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fiio-fx15-4-electrostatic-1dd-1ba-hybrid-in-ear-monitors-hifigo-853787.jpg?v=1689998569","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fiio-fx15-4-electrostatic-1dd-1ba-hybrid-in-ear-monitors-hifigo-248316.jpg?v=1689998454","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fiio-fx15-4-electrostatic-1dd-1ba-hybrid-in-ear-monitors-hifigo-415022.jpg?v=1689998559","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/fiio-fx15-4-electrostatic-1dd-1ba-hybrid-in-ear-monitors-hifigo-768896.jpg?v=1689998543"],"price":799.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.398Z"},"share_url":"https://firestarter.network/l/lst_S75XzY6F","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_S75XzY6F' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy FiiO FX15 4 Electrostatic + 1DD + 1BA Hybrid In-Ear Monitors' and a budget_max comfortably above $799.99 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."]}}