{"type":"firestarter.listing","listing":{"id":"lst_MqKGuOAX","product_name":"xDuoo ESS ES9039SPRO for xDuoo XD05 Pro and TA-32","category":"Headphone DAC/Amp","description":"\nMade for Mozart, Tchaikovsky, and everything in between\n\nBuilt around ESS’s flagship ES9039SPRO chip, this swappable DAC card is voiced specifically for classical music lovers. Expect wide staging, impeccable resolution, and a presentation that does justice to the dynamics of a full orchestra. It’s plug-and-play ready for the xDuoo XD05 Pro or TA-32.\n\nProduct highlights\n\n\nDrop-in DAC card for xDuoo XD05 Pro and TA-32\n\nTuned specifically for classical and acoustic genres\n\nFeatures ESS ES9039SPRO DAC chip\n\nHigh signal-to-noise ratio and low total harmonic distortion\n\nGrand soundstage and rich microdetail\n\nDesigned and built by xDuoo\n\n\nSpecs\n\nSpecs when used in XD05PRO\n\nUnbalanced Output Parameters:\n\nOutput Power:\n\n2000mW (32Ω, THD+N &lt; 1%)\n\n240mW (300Ω, THD+N &lt; 1%)\n\nOutput Impedance: ≤0.2Ω\n\nPeak Voltage: 23.8Vp-p (TUBRO)\n\nFrequency Response: 20Hz~20kHz (±0.5dB)\n\nCrosstalk: ≥72dB\n\nTHD+N: 0.0007%\n\nSNR: ≥120dB\n\n\n\nBalanced Output Parameters:\n\nOutput Power:\n\n2000mW (32Ω, THD+N &lt; 1%)\n\n930mW (300Ω, THD+N &lt; 1%)\n\nOutput Impedance: ≤0.4Ω\n\nPeak Voltage: 42.7Vp-p (TUBRO)\n\nFrequency Response: 20Hz~60kHz (±0.5dB)\n\nCrosstalk: ≥105dB\n\nTHD+N: 0.0007%\n\nSNR: ≥120dB\n\n\n\nAUX OUT Parameters:\n\nOutput Level: 2.0V\n\nTHD+N: 0.0008%\n\nSNR: ≥120dB\n\nCrosstalk: ≥96dB\n\nBAL–LO Parameters:\n\nOutput Level: 4.0V\n\nTHD+N: 0.0005%\n\nSNR: ≥128dB\n\nCrosstalk: ≥100dB\n\n\n\n\n\nSpecs when used inTA-32\n\n\nUnbalanced Output Parameters:\n\nOutput Power: 2300mW\nFrequency Response: 20Hz~60kHz (±0.5dB)\nCrosstalk: ≥75dB\nSNR: 116dB\nTHD+N: 0.01%\n\n\n\nBalanced Output Parameters:\n\nOutput Power: 3000mW\nFrequency Response: 20Hz~60kHz (±0.5dB)\nCrosstalk: ≥104dB\nSNR: 118dB\nTHD+N: 0.03%\n\n\n\nAUX OUT Parameters:\n\nOutput Level: 2.0Vrms\nFrequency Response: 20Hz~20kHz (±0.5dB)\nCrosstalk: ≥108dB\nSNR: 117dB\nTHD+N: ≤0.0007%\n\n\n\nBAL–LO Parameters:\n\nOutput Level: 4.1Vrms\nFrequency Response: 20Hz~20kHz (±0.5dB)\nCrosstalk: ≥113dB\nSNR: 125dB\nTHD+N: ≤0.0006%\n\n\n\n\n\nWhat’s included\n\nES9039SPRO DAC Card \n\nInstruction card\n\nManufacturer packaging\n\n","images":["https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-xduoo-headphone-dac-amp-xduoo-ess-es9039spro-for-xduoo-xd05-pro-and-ta-32-1170492409.png?v=1748449478","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-xduoo-headphone-dac-amp-xduoo-ess-es9039spro-for-xduoo-xd05-pro-and-ta-32-1170492413.jpg?v=1748449491","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-xduoo-headphone-dac-amp-xduoo-ess-es9039spro-for-xduoo-xd05-pro-and-ta-32-1170492412.jpg?v=1748449487","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-xduoo-headphone-dac-amp-xduoo-ess-es9039spro-for-xduoo-xd05-pro-and-ta-32-1170492411.jpg?v=1748449485","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-xduoo-headphone-dac-amp-xduoo-ess-es9039spro-for-xduoo-xd05-pro-and-ta-32-1170492410.jpg?v=1748449481","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-xduoo-headphone-dac-amp-xduoo-ess-es9039spro-for-xduoo-xd05-pro-and-ta-32-1170542891.jpg?v=1748478159"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:25:57.626Z"},"share_url":"https://firestarter.network/l/lst_MqKGuOAX","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_MqKGuOAX' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy xDuoo ESS ES9039SPRO for xDuoo XD05 Pro and TA-32' and a budget_max comfortably above $199.00 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."]}}