{"type":"firestarter.listing","listing":{"id":"lst_dzFu0mzj","product_name":"KZ Duonic","category":"In-Ear Monitors","description":"                                          Revolutionary Tri-Magnetic Planar Driver                Experience breakthrough audio with our industry-first Flux3 triple-magnetic planar driver. Its innovative four-magnet structure delivers superior magnetic flux and conversion efficiency compared to traditional dynamic drivers. The ultra-long excursion design enables deeper, harder-hitting bass while maintaining precise high-frequency response for an incredibly wide soundstage and detailed audio presentation.                                                                                Advanced Driver Fusion Technology                Duonic features acoustic fusion technology combining the planar magnetic driver with a super-linear dynamic driver. This sophisticated configuration ensures high-precision audio resolution across all frequencies. The planar driver handles mid-high frequencies with exceptional clarity while the dynamic driver enhances bass response, creating an immersive, multi-dimensional listening experience for music and gaming.                                                                                Customizable Sound Tuning Options                Choose from three tailored versions to match your audio preference. The standard version offers pre-calibrated HM acoustic curve for balanced, natural sound. The switch version provides multiple tuning presets for enhanced vocal clarity and instrument separation. The bass edition features adjustable tuning switches for full low-frequency customization, perfect for audio enthusiasts.                                                                                Professional Dual-Microphone System                Featuring upgraded dual 6mm professional condenser microphones with significantly improved sensitivity from -42dB to -26dB. The redesigned microphone circuitry and acoustic structure reduce background noise while vastly improving pickup range. This ensures crystal-clear call quality with natural voi","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/8_3710d14b-0263-482e-b7cb-ba55759bb1ec.jpg?v=1761892856","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/7_5fe40470-2961-4914-8187-a36288270b27.jpg?v=1761892856","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/9_b91098a2-c2c6-424a-9a02-cff0876fab9a.jpg?v=1761892856","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/2_d145380c-f1b9-4037-acb1-67748aa76fd2.jpg?v=1761892856","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/1_31b106be-981e-44f9-9854-1e8c8fb268c7.jpg?v=1761892856","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3_162cc446-0e2c-4c69-a2f9-2575d6e58854.jpg?v=1761892856"],"price":18.99,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:44.577Z"},"share_url":"https://firestarter.network/l/lst_dzFu0mzj","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 <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_dzFu0mzj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KZ Duonic' and a budget_max comfortably above $18.99 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."]}}