{"type":"firestarter.listing","listing":{"id":"lst_XDy6-s-W","product_name":"SMSL VMV VA1 DT/K Headphone Amplifier Special Tuning for DT880 DT990","category":"Audio Amplifier","description":"Descriptions:\n\n\n\tSpecification: Balanced Input Capability - +21dBu Unbalance Input Capability - +15dBu Output Capability - +21dBu at 150R Load High-Z Load Capability - 50R to 600R Low-Z Load Capability - 8R to 600R Gain - +12dB\n\tSupport Sennheiser HD600 &amp; HD650 VMV VA-1 HD HEADPHONE AMP HD\n\tVery Low Distortion and Noise and Output Short Circuit Protection\n\n\n \n\n\n","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/smsl-vmv-va1-dtk-headphone-amplifier-special-tuning-for-dt880-dt990-hifigo-655444.jpg?v=1573285104","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/smsl-vmv-va1-dtk-headphone-amplifier-special-tuning-for-dt880-dt990-hifigo-554653.jpg?v=1573285104","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/smsl-vmv-va1-dtk-headphone-amplifier-special-tuning-for-dt880-dt990-hifigo-563266.jpg?v=1573285104"],"price":659.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.942Z"},"share_url":"https://firestarter.network/l/lst_XDy6-s-W","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_XDy6-s-W' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy SMSL VMV VA1 DT/K Headphone Amplifier Special Tuning for DT880 DT990' and a budget_max comfortably above $659.99 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."]}}