{"type":"firestarter.listing","listing":{"id":"lst_i_hTWzl6","product_name":"Moondrop Armature Art 12 IEMs","category":"Earphone / In-Ear Monitor (IEM)","description":"12-per-side balance armature IEMs\nThe MOONDROP Armature Art 12 is a multi-driver in-ear monitor built around a pure balanced armature architecture with twelve drivers per side arranged in a carefully structured 4+4+4 design. Rather than combining different driver types, MOONDROP focuses on phase consistency, acoustic integration, and cohesive tuning to create a detailed presentation with strong imaging and a natural sense of timbre. \nTwelve driver architecture\nEach earpiece houses twelve balanced armature drivers arranged across bass, midrange, and treble frequencies. A four-in-one bass module, four dedicated midrange drivers, and a four-in-one treble module are integrated into a three-way crossover system designed to distribute energy evenly throughout the frequency range. \nThree-way 4+4+4 crossover design\nInstead of increasing crossover points simply to add complexity, MOONDROP developed a balanced three-way structure with equal driver allocation across low, mid, and high frequencies. Combined with custom frequency crossover circuitry and acoustic design, the system aims to maintain consistency in output and preserve natural tonal continuity.\nCustom bass module with open-back architecture\nThe low-frequency system uses four custom balanced armature drivers with stainless steel diaphragms and an open-back structure. This arrangement is engineered for controlled bass extension and rapid transient response while maintaining the speed and articulation often associated with balanced armature designs.\nComposite midrange driver structure\nThe midrange section uses dual composite two-in-one balanced armature assemblies combined through a Y-shaped acoustic path. Lightweight aluminum-magnesium alloy diaphragms contribute to faster response and wider operating bandwidth, helping vocals and instruments maintain clarity and tonal density.\nDedicated treble module for detail retrieval\nThe high-frequency section uses four miniature balanced armature drivers built around aluminum-ma","images":["https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524152.jpg?v=1778869810","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524151.jpg?v=1778869749","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524150.jpg?v=1778869692","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524149.jpg?v=1778869632","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524148.jpg?v=1778869569","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524147.jpg?v=1778869512","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524146.jpg?v=1778869449","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524145.jpg?v=1778869388","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524144.jpg?v=1778869328","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238524143.jpg?v=1778869270","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-moondrop-earphone-in-ear-monitor-iem-moondrop-armature-art-12-iems-1238568788.jpg?v=1778890689"],"price":799.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:25:55.790Z"},"share_url":"https://firestarter.network/l/lst_i_hTWzl6","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_i_hTWzl6' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Moondrop Armature Art 12 IEMs' and a budget_max comfortably above $799.99 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."]}}