{"type":"firestarter.listing","listing":{"id":"lst_BnZAXKJ4","product_name":"Rose Technics QT9-MK3 1DD + 4BA Hybrid In-Ear HiFi Headphones","category":null,"description":"\n\nFeatures:-\n>Five Driver Hybrid Setup.\n>Four High-Performance Balanced Armature Drivers on Each Side.\n>One 10mm LCD Tesla-Grade Dynamic Driver Unit.\n>Ergonomic Comfortable Design.\n>MMCX Connectors.\n>5N Singler-Crystal Copper OCC Cable.\n>7000 Series Aviation-Grade Aluminum Alloy Face Covers.\n> High-precision 3D Printed Medical-Grade Resin Material Ear Shells.\n>Crisp, Detailed, Natural Sound Presentation.\nTechnical Specs:-\n>Impedance: 18Ω.\n>Sensitivity: 104dB.\n>Frequency Response Range: 20Hz-20kHz.\n>Termination Plug: 3.5mm.\n>Connector Type: MMCX.\n>Weight: 30±5gm.\nRoseTechnics QT9 MK3 brings you a flavourful sound with its five-driver hybrid setup on each side. We have an exceptionally solid bass response along with crystal clear vocals and nicely detailed instruments. RoseTechnics has equipped the QT9 MK3 with a high-performance dynamic driver along with four premium quality balanced armature drivers, they produce true high-resolution sound with exceptional clarity and details. Prepare to wake up your senses with the outstanding performance of the QT9 MK3!!\nThird-Generation Dynamic Driver Unit:-\nRoseTechnics has equipped the QT9 MK3 with its third-generation 10mm Tesla-Grade dynamic driver unit. The driver features a liquid crystal diaphragm with a high-strength magnetic circuit. It produces a strong, hard-hitting bass response which showcases exquisite details and a tight, controlled overall lower-end response.\nFour High-Performance Balanced Armature Driver Units:-\n\nRoseTechnics QT9 MK3 incorporates four high-performance BA drivers alongside the DD unit. These BA drivers work effortlessly to produce high-resolution vocals and instruments. They produce a rich, natural midrange performance and also provide a nicely extended treble response.\nProfessional Tuning Adjustments:-\n\nRoseTechnics have optimized the acoustic structure to solve the harmonic distortion, phase difference, and other technical problems between the differe","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/rose-technics-qt9-mk3-1dd-4ba-hybrid-in-ear-hifi-headphones-hifigo-260425.webp?v=1704408094","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/rose-technics-qt9-mk3-1dd-4ba-hybrid-in-ear-hifi-headphones-hifigo-mk3-lunar-silver-927227.webp?v=1704408010","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/rose-technics-qt9-mk3-1dd-4ba-hybrid-in-ear-hifi-headphones-hifigo-mk3-whale-gray-632000.webp?v=1704408041","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/rose-technics-qt9-mk3-1dd-4ba-hybrid-in-ear-hifi-headphones-hifigo-323615.jpg?v=1704407988","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/rose-technics-qt9-mk3-1dd-4ba-hybrid-in-ear-hifi-headphones-hifigo-960777.jpg?v=1704408027"],"price":280.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.140Z"},"share_url":"https://firestarter.network/l/lst_BnZAXKJ4","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_BnZAXKJ4' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Rose Technics QT9-MK3 1DD + 4BA Hybrid In-Ear HiFi Headphones' and a budget_max comfortably above $280.99 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."]}}