{"type":"firestarter.listing","listing":{"id":"lst_93ir1mXu","product_name":"Kefine Arnar","category":"In-Ear Monitors","description":"\n  \n    Symbolic “Wish Window” Faceplate Design\n    The faceplate of the Arnar features a unique design inspired by traditional Chinese window patterns known as the “Wish Window,” symbolizing good fortune and the idea that everything will go as desired. This elegant decorative element blends cultural meaning with modern aesthetics, giving the earphones a distinctive and refined appearance.\n  \n\n\n  \n    Hybrid Driver Architecture\n    Each earphone integrates a powerful 14.5mm planar magnetic driver together with a Knowles balanced armature driver, forming a hybrid system that combines wide frequency coverage with enhanced sensitivity and soundstage. The planar driver handles the full frequency spectrum while the BA driver joins from around 800Hz to reinforce clarity and detail.\n  \n\n  \n  \n    Planar Magnetic Clarity\n    The large 14.5mm planar diaphragm delivers excellent resolution and fast transient response, ensuring accurate reproduction across the entire frequency range. Its natural extension also allows seamless integration with the BA driver for coherent and balanced sound.\n  \n\n  \n    Enhanced Mid and High Frequencies\n    The synergy between the planar magnetic driver and the Knowles BA unit improves midrange richness and treble refinement. Sibilance and harshness are effectively controlled through precise tuning and damping components, producing smoother highs and more detailed vocal reproduction.\n  \n\n  \n\n  \n    Spacious and Transparent Sound Signature\n    With the involvement of the BA driver and the large planar diaphragm, Arnar presents a spacious soundstage with impressive transparency. Bass remains powerful and controlled, vocals sound warm and natural, and the treble remains smooth without fatigue.\n  \n\n  \n    Replaceable Tuning Nozzles\n    Arnar includes three pairs of stainless steel interchangeable nozzles, each offering a distinct sound profile. The silver nozzle provides balanced tuning, the gold nozzle emphasizes clarity and transparency, while the b","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/5_6aa438b3-ce0e-4e76-820b-5da3d8859ecd.jpg?v=1773643168","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/7_3a5f3759-e76a-46aa-9382-ae4578148527.jpg?v=1773643168","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/8_bfd9c23a-f1ef-46ab-ad94-be5890c7f4ee.jpg?v=1773643168","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/9_5b7f23ad-85a5-4731-b459-7d5659912aed.jpg?v=1773643168","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/10_119fe55c-1bbf-405e-b04f-a0fad9336a75.jpg?v=1773643168","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/17_1b4e93ce-c7b5-4608-80b4-d5cc09726c55.jpg?v=1773643168","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/18_3a39698d-bc81-42b0-8f94-5d9333455ac2.jpg?v=1773643168","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/19_993d9836-c18d-44f9-bf62-6d01c2cd7272.jpg?v=1773643168","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/1_3c031389-6ef7-409b-9703-6a1befeb675f.jpg?v=1773643170","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3_81a72d0d-60dd-41b5-824e-b53f04513d6a.jpg?v=1773643168"],"price":189,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:44.187Z"},"share_url":"https://firestarter.network/l/lst_93ir1mXu","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_93ir1mXu' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Kefine Arnar' and a budget_max comfortably above $189.00 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."]}}