{"type":"firestarter.listing","listing":{"id":"lst_WUw_6Icz","product_name":"SMSL DO400","category":"AMP & DAC","description":"\n\nFlagship DAC for Superior Sound Quality\nExperience audio in its purest form. The SMSL DO400 is equipped with the ES9039MSPRO, ESS company's flagship DAC chip, boasting 8 channels and offering unmatched dynamic range and low distortion.\n\n\nRevolutionary MQA Technology\nUnfold music's deepest layers. With MQA decoding, immerse yourself in a truly accurate 3D sound field, recreating the magic of live performances. Whether through USB, Optical, Coaxial, or AES, the DO400 breathes life into every note.\n\n\nPowerful Headphone Amplification\nWhether you're using high or low impedance headphones, the DO400 is tailored to deliver the optimal power. With output power ranging from 350mW to a staggering 6000mW, every beat resonates.\n\n\nComprehensive Connectivity\nSix input options, three headphone outputs, and two line outputs. Be it USB, Bluetooth, Optical, Coaxial, AES/EBU, or 12S (HDMI) input, this device adapts to your audio needs. Simultaneously enjoy multiple outputs, including 4-XLR, 4.4mm, and 6.35mm.\n\n\nState-of-the-Art Bluetooth 5.1\nGo wireless without compromise. Powered by Qualcomm's latest Bluetooth 5.1 chip, the DO400 supports LDAC, APTX/HD, SBC, and AAC, ensuring high-resolution audio over the air.\n\n\nElegant Design with Functional Remote Control\nThe suspended display window paired with a retro knob gives the DO400 a vintage charm, while its full-featured remote control enhances user convenience.\n\n\nUltra-Low Distortion Circuitry\nAchieve audio clarity like never before. With its PLFC ultra-low distortion headphone amp, enjoy distortion levels as low as 0.0001% under a 16Ω load.\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_9523_a6b1cee7-23ac-4b93-a2c3-7cb0d54bb9e0.jpg?v=1692154036","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_9542.jpg?v=1692154036","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_9537.jpg?v=1692154036","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_9523_1.jpg?v=1692154036","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_9542_1.jpg?v=1692153596","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_9513_3d425040-4cfc-4a47-8397-3d4cc0f257b9.jpg?v=1692153596"],"price":499,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:46.856Z"},"share_url":"https://firestarter.network/l/lst_WUw_6Icz","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_WUw_6Icz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy SMSL DO400' and a budget_max comfortably above $499.00 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."]}}