{"type":"firestarter.listing","listing":{"id":"lst_ZFkOTwfU","product_name":"KZ ASX","category":"Earphones/IEMs","description":"\n\n\nUpgraded 10 Balanced Armatures\nKZ ASX has strictly selected the upgraded BA for this model. The 30017s BA is mainly for the high frequency. With it, the highs are more extended, bringing a subtle and real experience. The 31736s is for the mids and highs which significantly improves the resolution, precise instrument phase, presenting a clear and delicate texture to ensure rich sound quality. The 29689s is for the mids, offering sweet durable, and pretty voice. The 22955s is for the lows with low distortion and fast rich lows.\n\n\n\n\n\nExtraordinary Acoustic Adjustment\nKZ ASX adopts a high-precision digital modeling 3D printed acoustic inner support parts to avoid mutual interference of 10 balanced armatures bands and reduce the resonance effect of the cavity. A rigorous and scientific architectures design takes in account the actual sound quality of each frequency band\n\n\n\n\n\n4 Frequency Division, 3 Channel Tuning.\nAs a professional earphone manufacturer, KZ never go with the flow to only emphasis the lows. It’s more focused on the complex and accurate frequency division circuit. KZ ASX is made with10BA and 3 channel conduits to display pure sound quality. With professional front end and lossless audio source, the effect is better\n\n\n\n\n\n5-axis CNC Molding Aluminum Alloy Resin Shell\nFor this model, we embrace the aesthetics of Aluminum alloy and resin with precision 5-axis CNC molding process. After cut, drilled, and engraved by a linked CNC machine tool, the surface is manually polished to create a wear-resistant, smooth and skin-friendly metal surface cover\n\n\n\n\n\nThe Elaborate Design\nMore than function, KZ ASX is designed based on ergonomics to offer comfortable wearing experience. The memory PU hose earhook and the over ear hook make it easier for wearing. Included silver-plated 100 core cable greatly improves transparency, separation and sound field. It reduces loss in transition. Detachable ensures fully upgradeability too.\n\n\n\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/products/09.jpg?v=1601371513","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/10_de8a16e9-ce83-416b-9222-98fcafbca7d6.jpg?v=1601371513","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/08.jpg?v=1601371513","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/11_1f4e05f9-040b-4ffe-8332-1a6cb6032936.jpg?v=1601371513"],"price":99,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:47.906Z"},"share_url":"https://firestarter.network/l/lst_ZFkOTwfU","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_ZFkOTwfU' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KZ ASX' and a budget_max comfortably above $99.00 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."]}}