{"type":"firestarter.listing","listing":{"id":"lst_xG6Fhz2l","product_name":"LETSHUOER Cadenza4","category":"Earphones/IEMs","description":"\n\nHybrid Quad Driver System\nImmerse yourself in a world of unparalleled audio quality with the LETSHUOER Cadenza4 wired IEM. Featuring a proprietary 10mm dual-chambered beryllium coated dynamic driver and three balanced armature drivers, this hybrid quad driver system delivers a mesmerizing listening experience.\n\n\nRich and Detailed Sound\nEnjoy rich mid-frequency details and extended treble with the perfect combination of Knowles and Sonion balanced armature drivers. The result? A sonic journey filled with clarity and depth, elevating every note and melody.\n\n\nPrecision Engineering\nExperience pristine sound reproduction with 50μm 3D printed acoustic tubes and a four-way electronic crossover. These advanced technologies ensure accurate sound transmission, smooth frequency response, and minimal phase errors, guaranteeing an immersive and authentic listening experience.\n\n\nPremium Design and Comfort\nCrafted with comfort and durability in mind, the Cadenza4 features a CNC aluminum alloy chassis with a matte finish. Its ergonomic design ensures long-term wear without sacrificing style or comfort, allowing you to enjoy your favorite music for hours on end.\n\n\nEnhanced Connectivity\nStay connected with ease thanks to the included 392-strands high-purity silver-plated monocrystalline copper cable. Plus, with three interchangeable plugs, compatibility with a variety of devices is never an issue, giving you the freedom to enjoy your music wherever you go.\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/001.jpg?v=1712903762","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/003.jpg?v=1712903758","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/002.jpg?v=1712903765","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/P7.jpg?v=1712903756","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/P12.jpg?v=1712903759","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/P6.jpg?v=1712903760","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/P1_P2.jpg?v=1712903757","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/P3.jpg?v=1712903764","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/P4.jpg?v=1712903755","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/P5.jpg?v=1712903761","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/P8.jpg?v=1712903758"],"price":249,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:46.256Z"},"share_url":"https://firestarter.network/l/lst_xG6Fhz2l","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_xG6Fhz2l' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy LETSHUOER Cadenza4' and a budget_max comfortably above $249.00 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."]}}