{"type":"firestarter.listing","listing":{"id":"lst_WfvTyeCN","product_name":"FiiO BTR17 Bluetooth USB DAC/Amp","category":"Headphone DAC/Amp","description":"From your desk to your pocket, the one that does it all\nThe BTR17 pulls together FiiO’s years of DAC and amp design into a device small enough for your pocket but strong enough for your desk. With dual ESS flagship DACs, THX AAA amps, desktop-class power, and a precision power system, it delivers sound quality normally reserved for bulkier gear. Whether you’re streaming wirelessly, plugged into your laptop, or running it in desktop mode, the BTR17 offers flexibility without compromise.\n\nA new chip era of lossless Bluetooth\n\nAt its core is Qualcomm’s flagship QCC5181 Bluetooth platform, supporting Bluetooth 5.4 and codecs like LDAC, aptX Adaptive, aptX Lossless, and more. That means you’re getting CD-quality wireless playback at over 1.2Mbps—well beyond older formats like AAC or aptX HD. With Snapdragon Sound support, the BTR17 keeps your wireless listening detailed, clean, and consistent.\n\nIndependent power supply for “boosted” performance\n\nA dedicated desktop mode switch and external power port let you bypass the internal battery and draw power directly over USB. This prevents overcharging and protects long-term battery health while unlocking higher output power. \n\nOne switch, three uses\n\nThe three-way PC/BT/PHONE switch makes it simple to move between devices. As a PC DAC, it runs fully off your computer’s USB. In Bluetooth mode, the internal battery takes over. When connected to your phone, it balances power draw between its own battery and the phone’s, keeping both running longer.\n\nXMOS 16-core XU316 for smooth USB audio\n\nUSB playback is handled by the XU316 chip, a flagship XMOS controller with wide format support—up to 768kHz/32bit PCM, native DSD512, and full MQA decoding. Its extra processing power also drives the BTR17’s 10-band PEQ, letting you fine-tune your sound all the way up to 192kHz.\n\nSound tuning at your fingertips\n\nThe onboard 10-band PEQ gives you surgical control over frequency, gain, and Q. 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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_WfvTyeCN' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy FiiO BTR17 Bluetooth USB DAC/Amp' and a budget_max comfortably above $219.99 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."]}}