{"type":"firestarter.listing","listing":{"id":"lst_sBfRgpGw","product_name":"xDuoo MU-604","category":"AMP & DAC","description":"\n\n\nPowerful Decoding Ability\nTwo ES9018K2M DAC chip are used, with extremely high S/N and extremely low THD+N. It adopts XMOS XU208 USB receiver chip,works in asynchronous transmission mode,and supports WASAPI, ASIO, KS core stream mode, which greatly reduces jitter and delay, and supports up to PCM384KHZand native DSD256.\n\n\n\n\n\nDual USB Modes\nxDuoo MU-604 supports dual USB modes, USB 1.0 and USB2.0. The USB 1.0 mode is compatible with older-gen PC and game consoles like Nintendo Switch and PlayStation. The USB 2.0 mode is made for the latest-generation PC. It also benefits with xDuoo USB driver enabling accurate high-res decoding on the system.\n\n\n\n\n\nIndependent Power Supply\nDC12V separate power supply, does not use computer USB power supply, avoids the interference of computer power supply, and makes the sound more pure;at the same time, it does not consume front-end power when connecting with mobile phones or tablets, and listening to songs is more worry-free.\n\n\n\n\n\nDual High-End Crystal Oscillators\nIn order to get the best out of the MU-604, xDuoo has designed the device with two high-quality active crystal oscillators as the clock sources. They work at 44.1K and 48K and their different sampling rates respectively. They enable jitter-free high-resolution performance with the MU-604.\n\n\n\n\n\nEnthusiast Capacitance\nAdopt the special enthusiast Japanese NICHICON capacitance as the main filter capacitance, have smooth and warm sound, and splendid high frequency.\n\n\n\n\n\nOLED Display\nUsing high-definition OLED display,Know whether the MU-604 is in the best decoding state at any time.\n\n\n\n\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/products/1_1f445974-114f-42a1-91aa-940f40145747.jpg?v=1659518297","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/2_98fb8417-ad53-46bb-b3d1-3c3acafc2d79.jpg?v=1659518299","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/3_833376e5-38f3-45ee-9bb0-04d473f4720c.jpg?v=1659518328","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/4_76cfc4bc-ee9f-4770-965d-21a6383bf96c.jpg?v=1659518339","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/IMG_1017.jpg?v=1659518348"],"price":169,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:47.487Z"},"share_url":"https://firestarter.network/l/lst_sBfRgpGw","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_sBfRgpGw' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy xDuoo MU-604' and a budget_max comfortably above $169.00 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."]}}