{"type":"firestarter.listing","listing":{"id":"lst_R54W739w","product_name":"XDuoo MT-603","category":"AMP & DAC","description":"\n\n\n12AU7 Tube Pre-amplifier\nxDuoo MT-603 adopts 12AU7 tube for pre-amp. Processed by the tube, the sound is sweet and soft\n\n\n\n\n\nMultiple Audio Inputs\nMT-603 owns 4 audio inputs and one audio output. With 4 audio input ports, which inputs can be selected through the switch, and different audio inputs can be switched at any time to experience different fun\n\n\n\n\n\nTONELUCK switch&Gold-plated RCA port\nMT-603 is equipped with TONELUCK switch, which is durable and provides an excellent hand feeling. The RCA port adopts a Gold-plated design, attractive and durable\n\n\n\n\n\nProfessional Capacitors\nMT-603 adopts the special capacitance as the coupling capacitance to present have transparent and sweet sound, to reach smooth and warm sound, and splendid high frequency\n\n\n\n\n\nMatte Surface, Aluminum Alloy Shell\nMT-603 is more than its amazing features, it is exquisitely built as well. Follow the modern minimalism design, it’s crafted with a simple elegant look with a sandblasted texture panel, made of solid aluminum alloy, which also can effectively resist external interference. You will truly explore the beauty of it when you hold it and enjoy HiFi music\n\n\n\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/products/IMG_6558.jpg?v=1627032593","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/IMG_6606.jpg?v=1627032593","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/IMG_6521.jpg?v=1627032593","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/IMG_6530.jpg?v=1627032593","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/IMG_6568.jpg?v=1627032573","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/IMG_6585.jpg?v=1627032573"],"price":109,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:47.762Z"},"share_url":"https://firestarter.network/l/lst_R54W739w","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_R54W739w' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XDuoo MT-603' and a budget_max comfortably above $109.00 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."]}}