{"type":"firestarter.listing","listing":{"id":"lst_kt0KbU0p","product_name":"Shanling UA1 II","category":"AMP & DAC","description":"\n\nAn Open Listening Experience Inspired by the Cosmos\nThe Shanling MG200 open-back dynamic earphones draw inspiration from the motion of cosmic star orbits, translating expansive space and natural timbre into a refined in-ear listening experience. By combining advanced acoustic architecture, premium materials, and precise tuning, MG200 delivers an open, transparent soundstage with excellent realism and balance.\n\n\n“Star-Orbit” Open-Back Acoustic Rear Chamber\nMG200 features a precisely engineered open-back rear chamber structure that allows sound waves to disperse naturally, reducing internal reflections and resonance. This design enhances spatial openness, improves sound layering, and delivers a more speaker-like presentation with realistic depth and positioning. The open acoustic structure contributes to a clean, relaxed listening experience without sacrificing detail or accuracy.\n\n\nPolymer Composite Diaphragm with Low-Distortion Flexible Suspension\nAt the heart of MG200 is a dynamic driver equipped with a high-performance polymer composite diaphragm. The material provides high rigidity with excellent damping characteristics, enabling refined treble resolution alongside elastic, well-controlled mid and low frequencies.\n\n\nDual Magnetic Circuit & Dual-Chamber Driver Architecture\nMG200 adopts a new-generation dual magnetic circuit combined with a dual-chamber internal structure. Paired with a pure copper voice coil and dual N52 magnets, this high-flux magnetic system delivers strong driving force with high efficiency. This architecture enhances dynamic range, improves transient performance, and keeps total harmonic distortion below 0.05%, resulting in a sound that is both accurate and naturally smooth.\n\n\nPrecision CNC-Machined Aluminum Alloy Housing\nThe earphone shells are crafted from high-strength aluminum alloy using five-axis CNC machining, followed by an oxidation treatment for durability and refined texture. The rigid yet lightweight structure minimizes unwan","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/UA1IIImagesHD_7.jpg?v=1770718546","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/UA1IIImagesHD_6.jpg?v=1770718546","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/UA1IIImagesHD_8.jpg?v=1770718546","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/UA1IIImagesHD_5.jpg?v=1770718553","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/UA1IIImagesHD_1.jpg?v=1770718553","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/UA1IIImagesHD_2.jpg?v=1770718553","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/UA1IIImagesHD_3.jpg?v=1770718553","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/UA1IIImagesHD_4.jpg?v=1770718553"],"price":69,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:44.009Z"},"share_url":"https://firestarter.network/l/lst_kt0KbU0p","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_kt0KbU0p' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Shanling UA1 II' and a budget_max comfortably above $69.00 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."]}}