{"type":"firestarter.listing","listing":{"id":"lst_iuK-h5GJ","product_name":"HarmonicDyne P.D.1 Planar Driver HiFi In-Ear Earphones IEMs","category":"Earphone","description":"\n*The curve is measured by a third party and is for reference only.\n\nFeatures:-\n\n>Natural, Smooth Sound tuning.\n\n>10mm Customized high-magnetic flux high-sensitivity Planar driver.\n\n>10mm high-efficiency Dynamic driver(CNTs for edge+DLC for dome).\n\n>Exquisite build with Aviation-grade aluminum alloy ear shells.\n\n>Crafted using high-precision 5-axis CNC machining process.\n\n>Bundled with two high-purity cables(Copper silver hybrid balanced 4.4mm cable, Silver-plated OFC copper 3.5mm cable).\n\n>Standard MMCX Connectors.\n\n>Impedance: 16Ω@1kHz.\n\n>Frequency response: 10Hz-40kHz.\n\n>THD+N: ≤0.2%@1kHz.\n\n>Sensitivity: 110dB/Vrms@1kHz.\n\nHarmonicDyne has introduced its latest hybrid driver IEM in the market. Meet the all-new HarmonicDyne P.D.1 featuring a unique combination of customized planar magnetic driver paired with a 10mm customized dynamic driver unit(CNTs for edges and DLC for dome). The pair is tuned to deliver a natural sound output with lovely vocals and a wide soundstage.\n\nPlanar Magnetic & Moving Coil Dynamic Brought Together:-\n\nHarmonicDyne has brought together advanced planar magnetic technology and traditional dynamic driver to bring an exceptional acoustic experience with the P.D.1. The pair features a smooth and lovely sounding Planar driver with high magnetic flux and a 10mm large dynamic driver with customized CNTs for edges and DLC for dome material.\n\nPremium Aviation-Grade Aluminum Alloy Ear Shells:-\n\nHarmonicDyne has designed the ear shells in P.D.1 using high-quality aviation-grade aluminum alloy material. They are made after a high-precision 5-axis CNC machining process including Milling, Cutting, Reshaping, and more to achieve a finely textured, natural metal finish.\n\nTwo High-Purity Cables:-\n\nEverything you want and everything you might need come bundled in a single package with the HarmonicDyne P.D.1. The pair comes bundled with two high-quality cables in the package, one high-purity copper and silver mixed balanc","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-earphone-hifigo-660173.jpg?v=1648885568","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/pre-order-harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-hifigo-775719.jpg?v=1723455705","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/pre-order-harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-hifigo-591514.jpg?v=1723455705","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/pre-order-harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-hifigo-642095.jpg?v=1723455705","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/pre-order-harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-hifigo-822710.jpg?v=1723455705","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/pre-order-harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-hifigo-724537.jpg?v=1723455705","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/pre-order-harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-hifigo-402369.jpg?v=1723455705","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/pre-order-harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-hifigo-261517.jpg?v=1723455705","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/pre-order-harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-hifigo-577844.jpg?v=1723455705","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/pre-order-harmonicdyne-pd1-planar-driver-hifi-in-ear-earphones-iems-hifigo-998053.jpg?v=1648532561"],"price":379,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:31.404Z"},"share_url":"https://firestarter.network/l/lst_iuK-h5GJ","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_iuK-h5GJ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy HarmonicDyne P.D.1 Planar Driver HiFi In-Ear Earphones IEMs' and a budget_max comfortably above $379.00 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."]}}