{"type":"firestarter.listing","listing":{"id":"lst_6XKhQ-l2","product_name":"Yanyin Carmen","category":"Earphones/IEMs","description":"\n\n\nIntroducing the latest model from Yanyin Technology, the \"Carmen.\" Equipped with a 10-BA (balanced armature) four-way configuration, \"Carmen\" is our newest flagship in pure BA driver monitoring, developed through extensive research and building on the success of our Moonlight series tuning.\n\n  \n\nTen BA Drivers\nThe \"Carmen\" model is equipped with ten balanced armature drivers. For the low frequencies, it uses four Sonion drivers, which overcome the typical limitations of balanced armature bass response. This configuration offers the energy and impact of dynamic drivers, paired with the excellent transient response and texture characteristic of balanced armatures.\n\nIn the midrange, two Sonion drivers deliver a rich and smooth tonal quality, maintaining a consistently impressive sound. The high frequencies are handled by two full-size Sonion drivers, ensuring high-quality reproduction with a pleasant smoothness. Additionally, a custom dual driver is dedicated to the ultra-high frequencies, enhancing extension, resolution, overall sound layering, and soundstage.\n\nOverall, the combination of these Sonion drivers across the frequency spectrum creates a highly refined audio experience, with a seamless blend of powerful bass, lush mids, and detailed highs.\n\n  \n\nAbout \"Carmen's\" Next-Generation BA Drivers\n\"Carmen\" features phase synchronization compensation technology, a rare and challenging feat in multi-BA setups. Our extensive research experience allowed us to achieve exceptionally low distortion and balanced frequency response, ensuring clear separation and seamless integration across the frequency spectrum. This results in highly accurate sound reproduction. The design also integrates purple and starry elements, offering a strong visual impact and a mysterious, romantic ambiance, reminiscent of the passionate Spanish flair of the opera \"Carmen.\"\n\n\n  \n\nHandcrafted Medical-Grade Resin Construction\nThe handcrafted design uses medical-grade resin, combining purple hues w","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4650.jpg?v=1722334939","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4639.jpg?v=1722334939","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4643.jpg?v=1722334939","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4614.jpg?v=1722334939","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4643.png?v=1722334939","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4650.png?v=1722334940","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4653.jpg?v=1722334939","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4654.jpg?v=1722334939","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4655.jpg?v=1722334940","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4619.jpg?v=1722334939","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4623.jpg?v=1722334939","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4628.jpg?v=1722334940","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_4635.jpg?v=1722334939"],"price":849,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:45.962Z"},"share_url":"https://firestarter.network/l/lst_6XKhQ-l2","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_6XKhQ-l2' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Yanyin Carmen' and a budget_max comfortably above $849.00 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."]}}