{"type":"firestarter.listing","listing":{"id":"lst_bYIfyPJx","product_name":"NS Audio NS2 Pro Composer 2BA Detachable IEMs HiFi In-ear Earphones","category":"Earphone","description":"\n\t\nModel Number: NS Audio NS2 Pro\n\n\t\nResistance: 40Ω\n\n\t\nBrand Name: PENON\n\n\t\nStyle: In-Ear\n\n\t\nWaterproof: No\n\n\t\nWith Microphone: No\n\n\t\nSensitivity: 110dB\n\n\t\nConnectors: 3.5mm\n\n\t\nCommunication: Wired\n\n\t\nLine Length: 1.2m\n\n\t\nPlug Type: Line Type\n\n\t\nControl Button: No\n\n\t\nActive Noise-Cancellation: No\n\n\t\nFrequency Response Range: 10-30000Hz\n\n\t\nFunction: HiFi Headphone\n\n\t\nWireless Type: None\n\n\t\nIs wireless: No\n\n\t\nVolume Control: No\n\n\t\nVocalism Principle: Balanced Armature\n\n\t\nFunction: Supports music, Portable\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n---SpecificationsSplit---\nThe NS2 PRO is upgraded and optimized on the basis of the original composite double-BA driver, which increases the expressive power of high frequency, better high-frequency extension, and a significant increase in overall transparency. At the same time, it retains a texture low-frequency like dynamic driver and is fascinating Medium frequency.\nShell upgrade, more comfortable to wear, the overall thickness is reduced by about 2MM, Front catheter increase 1mm\nLower impedance, easier to push,\nTuning optimization, the tuning of NS2 Pro Composer is completed by the composer Fang Dong Qing teacher, to meet the brand of Natural Sound of the real, natural, balanced, durable and other requirements.\nErgonomic design, 360 degree fit ear is just good, not easy to fall off, wear painless all day\n3D printed shell, medical grade imported resin, excellent sound isolation, allowing you to enjoy the quiet in the noisy place.\nThe distinction between the left and right of this earphone is quite straightforward, with \"NS audio\" to the right and \"Composer\" to the left.\nThe wire uses 8 cores silver-plated with copper mixed braided cable , that provides a comfortable soft feel with excellent sound quality and durability.\n\nSpecification \nDriver: Dual Balanced Armature Driver\nImpedance: 40/64Ω\nFrequency response: 10-30000 Hz\nSensitivity: 110dB@1K Hz\nDistortion ：THD＜0.5% （@100-10Khz）\nPlug:3.5mm\nCable length: 1.2M\n\nPackage list:\nNS2 Pro earphone\n12 pair","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-black-40ohm-435047.jpg?v=1618285723","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-157893.jpg?v=1618285778","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-891866.jpg?v=1618285742","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-490018.jpg?v=1618285646","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-122614.jpg?v=1618285684","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-900428.jpg?v=1618285656","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-white-40ohm-684144.jpg?v=1618285674","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-515002.jpg?v=1618285783","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-806371.jpg?v=1618285712","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/ns-audio-ns2-pro-composer-2ba-detachable-iems-hifi-in-ear-earphones-earphone-hifigo-917575.jpg?v=1618285827"],"price":299,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:31.912Z"},"share_url":"https://firestarter.network/l/lst_bYIfyPJx","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_bYIfyPJx' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy NS Audio NS2 Pro Composer 2BA Detachable IEMs HiFi In-ear Earphones' and a budget_max comfortably above $299.00 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."]}}