{"type":"firestarter.listing","listing":{"id":"lst_QlAzahz-","product_name":"Softears RSV-MK2 / RSV-MKII 5BA Drivers IEMs","category":null,"description":"Features:-\n&gt;High-Performance Multi-BA Driver IEMs.\n&gt;Five Balanced Armature Drivers On Each Side.\n&gt;Innovative Four-Way Crossover with Four Independent Tubes.\n&gt;Powerful Bass Response with Dual-Bass Tube.\n&gt;Passive Driver Design with Dual-Pressure Relief System.\n&gt;CNC-Machined Aluminium Alloy Faceplates.\n&gt;Carbon-Fiber V-Patten on Face Covers.\n&gt;3D-Printed Nozzle with Lip Design.\n&gt;LRC Tuning Network.\n&gt;Premium 6N7 Cryogenically-Treated OFC Copper Cable.\n&gt;Includes 4.4mm to 3.5mm Adapter.\n&gt;Premium UC Ear tips+Type-B Balanced Silicone Ear tips.\nTechnical Information:-\n&gt;Impedance: 7Ω@1kHz.\n&gt;Sensitivity: 122dB/Vrms.\n&gt;THD+N: &lt;1%.\n&gt;Effect Frequency Response: 20Hz~20kHz.\n&gt;Frequency Response: 15Hz~40kHz.\n&gt;Connector Type: 2-pin 0.78mm.\n&gt;Termination Plug: 4.4mm Balanced Plug.\nSoftears RSV MK2 is here with a high-performance multi-BA driver architecture. The pair is a successor to the highly acclaimed RSV IEMs, featuring an advanced five balanced armature driver setup with an innovative four-way crossover. It features a precisely designed crossover with four independent acoustic ducts for clear, rich sound with ultra-low distortion. With Softears’ patented passive air-damping system and a newly developed airflow pressure relief mechanism, the RSV MK2 provides enhanced frequency response while actively balancing the air pressure buildup in the ear canal. Get the Softears RSV MK2 today and experience reference-grade audio performance with a finely-tuned 5BA setup and precisely-designed crossover network!!\nUnmatched Clarity with 5 Balanced Armature Driver Configuration Each Side:-\nJust like the previous RSV, the new RSV MK2 utilizes a five balanced armature driver configuration on each side. The pair is optimized with newer, advanced drivers that take its performance to the next level. We have dual Knowles CI series 22955 balanced armature drivers for a powerful, hard-hitting lower-end response. It is currently the largest BA mod","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/softears-rsv-mk2-rsv-mkii-5ba-drivers-iems-softears-rsv-mk2-494327.jpg?v=1756290189","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/softears-rsv-mk2-rsv-mkii-5ba-drivers-iems-softears-317820.jpg?v=1756290178","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/softears-rsv-mk2-rsv-mkii-5ba-drivers-iems-softears-502597.jpg?v=1756290191","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/softears-rsv-mk2-rsv-mkii-5ba-drivers-iems-softears-452583.jpg?v=1756290186","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/softears-rsv-mk2-rsv-mkii-5ba-drivers-iems-softears-699143.jpg?v=1756290193"],"price":669,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:28.770Z"},"share_url":"https://firestarter.network/l/lst_QlAzahz-","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_QlAzahz-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Softears RSV-MK2 / RSV-MKII 5BA Drivers IEMs' and a budget_max comfortably above $669.00 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."]}}