{"type":"firestarter.listing","listing":{"id":"lst_1N4yQirk","product_name":"FiiO K11","category":"AMP & DAC","description":"\n\nDesktop Decoding Headphone Power Amplifier\nThe K11 offers a variety of input and output options, including USB, optical, and coaxial inputs, as well as 4.4mm, 6.35mm, RCA, and coaxial outputs. With these diverse connectivity choices, it ensures flexibility for a wide range of audio setups. Whether connecting to a PC, gaming console, or other audio devices, the K11's multi-input design gives you full compatibility and convenience. Coupled with a 1400mW power output, it can easily drive a wide range of Hi-Fi earphones and headphones, unlocking their full potential.\n\n\nExceptional Audio Performance with Custom Circuit Design\nInside the K11, you'll find a specially-designed audio circuit built for stable and high-quality sound. Powered by an external 12V switching power supply and more than 16 low-noise LDOs (Low Dropout Regulators), this setup ensures precise voltage stabilization, resulting in a cleaner and more robust power supply. This ultimately leads to high-quality, enjoyable audio. Additionally, the K11 features three gain levels and three distinct volume curves, making it highly adaptable for headphones with different impedances. This flexibility helps you get the most out of both sensitive earphones and high-impedance headphones, improving the overall listening experience.\n\n\nSlim Build with High-Contrast LCD Screen and Adjustable RGB Lighting\nThe K11 boasts a sleek and slim aluminum build, making it a perfect fit for your desktop without taking up too much space. Its high-contrast custom LCD screen provides clear visibility of essential information such as the sampling rate, volume level, and output mode. The screen ensures you can easily monitor the current settings at a glance. Additionally, the RGB lighting around the FIIO logo is fully adjustable, allowing you to change the brightness, color, and light patterns to suit your personal preference. The design is both functional and elegant, bringing a touch of sophistication to your setup.\n\n\nOne Multifunction","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/2_9b9d2b6d-5a2a-4cff-956c-f702055606b2.jpg?v=1742546535","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/3_71da2323-b487-4544-8cc9-2c99fdcb7403.jpg?v=1742546535","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/4_ad772ca8-5362-4e3b-a6d1-807651157bc7.jpg?v=1742546535"],"price":139.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:45.202Z"},"share_url":"https://firestarter.network/l/lst_1N4yQirk","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_1N4yQirk' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy FiiO K11' and a budget_max comfortably above $139.99 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."]}}