{"type":"firestarter.listing","listing":{"id":"lst_Pp4uJr6K","product_name":"DUNU SA6 EST / SA6EST 6BA+2EST Drivers In-Ear Earphone","category":null,"description":"\n*The curve is measured by a third party and is for reference only.\n\nFeatures:-\n\n&gt;Eight Driver Hybrid Setup.\n\n&gt;Six High-Performance BA Drivers+2 EST Drivers.\n\n&gt;Dual-System Quad-Way Crossover.\n\n&gt;Custom Nebula Look Faceplates.\n\n&gt;High-End Hulk Pro Mini Stock Cable.\n\n&gt;Q-Lock Plus Interchangeable Termination Plug System.\n\n&gt;High-Quality Internal Wiring.\n\n&gt;Ergonomic and Comfortable Fit.\n\n&gt;Crisp, Detailed, Rich Sound Performance.\n\n&gt;Suitable For Different Genres of Music.\n\nTechnical Information:-\n\n&gt;Impedance: 55Ω@1kHz.\n\n&gt;Sensitivity: 117dB/mW.\n\n&gt;THD+N: &lt;0.5%@1kHz.\n\n&gt;Frequency Response Range: 5Hz-40kHz.\n\n&gt;Termination Plus: 3.5mm+4.4mm.\n\n&gt;Connectors: 0.78mm 2-Pin.\n\nDUNU SA6 EST brings together an eight-driver hybrid setup featuring 6 high-performance BA drivers and 2 EST drivers on each side. The pair boasts exciting, detailed sound with premium driver units from SONION and Knowles. DUNU has arranged them together in a dual-system quad-way crossover configuration featuring independent acoustic tubes and an electronic crossover design. The SA6 EST has got extremely beautiful looks with custom nebula faceplates featuring a blend of Blue, White, and Black colours. Each pair looks absolutely stunning and packs a wonderful sound presentation. Prepare your senses to enjoy the exquisite sound with the DUNU SA6 EST!!\n\nEight-Driver Hybrid Architecture:-\n\nDUNU SA6 EST features an eight-driver hybrid architecture on each side. The pair houses six BA drivers and two EST drivers per side. We have two custom SONION-Vented Low-Frequency drivers with an incorporated large airflow chamber design. They produce a rich and lively bass response. DUNU SA6 EST also has two independent custom Knowles BA drivers for rich midrange that deliver meticulously tuned rich vocals and organic tone. With two custom Knowles High-Frequency BA drivers, the SA6 EST produces outstanding high-frequency resolution and clarity. The two SONION EST drivers deliver excel","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/dunu-sa6-est-6ba2est-drivers-in-ear-earphone-hifigo-sa6-est-246750.jpg?v=1724945788","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-dunu-sa6-est-sa6est-6ba2est-drivers-in-ear-earphone-hifigo-527785.jpg?v=1725333079","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/dunu-sa6-est-6ba2est-drivers-in-ear-earphone-hifigo-206923.jpg?v=1724945795","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-dunu-sa6-est-sa6est-6ba2est-drivers-in-ear-earphone-hifigo-750034.jpg?v=1725333075","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-dunu-sa6-est-sa6est-6ba2est-drivers-in-ear-earphone-hifigo-627988.jpg?v=1725333067","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/pre-order-dunu-sa6-est-sa6est-6ba2est-drivers-in-ear-earphone-hifigo-473230.jpg?v=1725333071"],"price":639.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:29.573Z"},"share_url":"https://firestarter.network/l/lst_Pp4uJr6K","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_Pp4uJr6K' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy DUNU SA6 EST / SA6EST 6BA+2EST Drivers In-Ear Earphone' and a budget_max comfortably above $639.99 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."]}}