{"type":"firestarter.listing","listing":{"id":"lst_IrvL8c3D","product_name":"Fosi Audio DS2 Dual CS43131 Portable Dongle DAC Headphone AMP","category":null,"description":"\n\n\n\nFeatures: -\n\nSmall USB DAC headphone amplifier with optimized HiFi audio architecture ensures high-resolution sound quality. The portable USB DAC DS2 compatible with various systems like Android/iOS/Windows/Mac, compatible with the latest devices: phones/computers/tablets/laptops/audio players, etc. Wonderfully versatile when commuting in the home, office, or gaming.\n\nDS2 adopts ESS Technology CS43131 DAC Chips supporting DSD 512 and 32Bit/768 kHz PCM, features best-in-class specifications and high-power outputs capable of supporting the most demanding of headphones with impedance above 300Ω.\n\nLow Noise Floor Clean Sound for True High-Fidelity. DS2 features abundant power with a high signal-to-noise ratio, low distortion, and almost 0 noise. 3.5MM+4.4MM Dual Headphone Outputs both Powerful to easily drive most headphones. The traditional 3.5mm single-ended headphone output is widely compatible with most headphones, and a 4.4mm balanced headphone output for a more detailed audio experience.\n\nSpecifications: -\n\n>THD+N: 0.0001%,\n\n>Noise: <1.6UV.\n\n>What You Get: DS2 USB DAC Headphone Amp x1, Type-C to Type-C cable x1, USB-A to USB-C Converter x1, user manual x1, our worry-free 24-month warranty, and friendly customer service.  \n\nHighlight: -\n\n>Frequency response: 20Hz-20kHz (±0.5dB)\n\n>S/N: ≥130 dB\n\n>Output Power : SE: 130MW /32Ω, BAL: 510MW /32Ω\n\n>Recommended headphone impedance: 16-300Ω(SE); 16-300Ω(BAL)\n\n>Dual headphone outputs: 3.5mm single-ended and 4.4mm balanced headphone jack\n\nPackage Include: -\n\n>DS2 USB DAC Headphone Amp x1\n\n>Type-C to Type-C cable x1\n\n>USB-A to USB-C Converter x1\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n \n\n\n\n \n","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/fosi-audio-ds2-dual-cs43131-portable-dongle-dac-headphone-amp-hifigo-ds2-gray-959501.jpg?v=1710530490","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/fosi-audio-ds2-dual-cs43131-portable-dongle-dac-headphone-amp-hifigo-756223.jpg?v=1710530505","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/fosi-audio-ds2-dual-cs43131-portable-dongle-dac-headphone-amp-hifigo-993476.jpg?v=1710530513","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/fosi-audio-ds2-dual-cs43131-portable-dongle-dac-headphone-amp-hifigo-782525.jpg?v=1710530557","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/fosi-audio-ds2-dual-cs43131-portable-dongle-dac-headphone-amp-hifigo-482043.jpg?v=1710530591","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/fosi-audio-ds2-dual-cs43131-portable-dongle-dac-headphone-amp-hifigo-500075.jpg?v=1710530688","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/fosi-audio-ds2-dual-cs43131-portable-dongle-dac-headphone-amp-hifigo-539076.jpg?v=1710530460","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/fosi-audio-ds2-dual-cs43131-portable-dongle-dac-headphone-amp-hifigo-204752.jpg?v=1710530533"],"price":53.97,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.054Z"},"share_url":"https://firestarter.network/l/lst_IrvL8c3D","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 ","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_IrvL8c3D' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Fosi Audio DS2 Dual CS43131 Portable Dongle DAC Headphone AMP' and a budget_max comfortably above $53.97 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."]}}