{"type":"firestarter.listing","listing":{"id":"lst_LYxsIf1M","product_name":"FiiO BTR13 Portable Bluetooth DAC and Headphone Amplifier","category":"Headphone DAC/Amp","description":"The FiiO BTR13 is a compact Bluetooth DAC and headphone amplifier designed to move easily between your phone, computer, and everyday listening gear. It combines a dedicated Cirrus Logic DAC architecture, wide Bluetooth codec support, and a simple three-position mode switch that lets you move between PC, Bluetooth, and phone use without friction. Lightweight and pocket-friendly, it fits naturally into daily listening without demanding attention.\nThree-mode hardware switching\nA physical PC/BT/PHONE switch lets you change operating modes instantly. You can move from computer audio to Bluetooth playback or phone use without reconnecting cables or digging through menus. One device covers desk listening, mobile use, and wireless playback, reducing device juggling across the day.\nHigh-resolution Bluetooth and USB decoding\nThe BTR13 is built around the Qualcomm QCC5125 Bluetooth chip and supports LDAC, aptX, aptX LL, aptX Adaptive, aptX HD, AAC, and SBC. Whether you are listening wirelessly or using it as a USB DAC, it supports sampling rates up to 96kHz, preserving detail and clarity across laptops, phones, and tablets.\nDual Cirrus Logic DAC architecture\nEach stereo channel is handled by its own Cirrus Logic CS43131 DAC. By separating left and right channel conversion, the design reduces crosstalk and improves channel definition. The result is cleaner imaging and a more stable stereo presentation, especially noticeable with well-recorded material.\nFlexible EQ and sound tuning\nThe BTR13 includes preset sound profiles and supports detailed parametric EQ adjustment. Using FiiO’s app or web interface, you can adjust frequency points, gain, and bandwidth, or load shared presets. This makes it easy to tailor sound for different headphones or listening preferences without external software.\nLightweight power with practical output\nAt just 28.6 oz (810 g), the BTR13 remains easy to carry while using an independent power supply for the headphone amplifier stage. This design allows h","images":["https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-fiio-headphone-dac-amp-fiio-btr13-portable-bluetooth-dac-and-headphone-amplifier-1217697346.jpg?v=1769027828","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-fiio-headphone-dac-amp-fiio-btr13-portable-bluetooth-dac-and-headphone-amplifier-1217697352.jpg?v=1769027769","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-fiio-headphone-dac-amp-fiio-btr13-portable-bluetooth-dac-and-headphone-amplifier-1217697351.jpg?v=1769027708","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-fiio-headphone-dac-amp-fiio-btr13-portable-bluetooth-dac-and-headphone-amplifier-1217697350.jpg?v=1769027651","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-fiio-headphone-dac-amp-fiio-btr13-portable-bluetooth-dac-and-headphone-amplifier-1217697349.jpg?v=1769027587","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-fiio-headphone-dac-amp-fiio-btr13-portable-bluetooth-dac-and-headphone-amplifier-1217697348.jpg?v=1769027527","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-fiio-headphone-dac-amp-fiio-btr13-portable-bluetooth-dac-and-headphone-amplifier-1217697347.jpg?v=1769027468","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-fiio-headphone-dac-amp-fiio-btr13-portable-bluetooth-dac-and-headphone-amplifier-1217792954.jpg?v=1769082430"],"price":69.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:25:56.103Z"},"share_url":"https://firestarter.network/l/lst_LYxsIf1M","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_LYxsIf1M' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy FiiO BTR13 Portable Bluetooth DAC and Headphone Amplifier' and a budget_max comfortably above $69.99 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."]}}