{"type":"firestarter.listing","listing":{"id":"lst_zSKPnmRy","product_name":"AFUL Performer 5+2 / Performer 7 2DD+4BA+1Micro Planar IEMs","category":null,"description":"\n*The curve is measured by a third party and is for reference only.\nTechnical Information: -\nImpedance: 15Ω±20%\nSensitivity: 109dB@1kHz\nFrequency Response: 10Hz-35kHz\nDrive Configuration: 2DD+4BA+1Micro Planar\nCable Connector: 2Pin (0.78mm)\nCable Length: 1.2m\nPlugTermination: 3.5mm or 4.4mm\nWorking Sound Pressure Level: 20~105dB\nFeatures: -\n\n>Wide Frequency Response Range\nA wider frequency response range allows for greater accuracy and realism in reproducing instruments, capturing both the primary fundamental frequencies and the harmonic overtones effectively. Many earphones on the market can only handle the main frequency ranges and fall short in reproducing overtones due to their limited frequency response.\n>Easy to Drive\nThanks to its advanced technology, the Performer 5+2 is highly efficient and easy to drive. While a high-quality source will maximize its potential, it still provides excellent sound quality when used with portable dongles or Bluetooth DAC/Amps.\n>Exceptional Bass and Treble\nThe addition of two dynamic drivers and a micro planar unit, along with AFUL’s unique acoustic and circuit design, ensures that the bass texture, depth, treble resolution, and instrument separation are all top-notch.\n\nTechnology: -\n\n>High-precision 3D Printed Acoustic Tube Structure\n>LC Network Frequency Division Correction Technology\n>High-Damping Air-Pressure Balance System\nBy integrating precise and complex 3D acoustic structures with RLC network crossovers, AFUL has significantly elevated acoustic performance. This advanced modeling and design of the \"acoustic structure-speaker-RLC network\" has achieved a substantial leap in sound quality.\nExceptional low-frequency and high-frequency acoustic characteristics.: -\n>The low frequencies have been enhanced with dual dynamic drivers and a 3D-printed Y-shaped structure, significantly improving bass elasticity and density.\n>The addition of a micro planar driver to the high frequencies significantly improves","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-aful-262066.jpg?v=1769702426","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-142605.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-627507.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-179779.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-634567.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-iems-hifigo-performer-7-35mm-304635.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-767453.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-812211.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-279465.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-931757.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-687459.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-737473.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-911468.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-426539.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-892313.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-703623.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-performer-7-35mm-716687.jpg?v=1769682108","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/aful-performer-52-performer-7-2dd4ba1micro-planar-iems-hifigo-performer-7-44mm-292503.jpg?v=1769682108"],"price":229.99,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:29.492Z"},"share_url":"https://firestarter.network/l/lst_zSKPnmRy","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_zSKPnmRy' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy AFUL Performer 5+2 / Performer 7 2DD+4BA+1Micro Planar IEMs' and a budget_max comfortably above $229.99 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."]}}