{"type":"firestarter.listing","listing":{"id":"lst_CoxqubyA","product_name":"xDuoo TA-10R AK4493EQ Tube Headphone Amplifier","category":null,"description":" \n\n\n\nFeatures:-\n\n* Classic tube 12AU7.\n\n* Top level XMOS 8-core chip (XU208).\n\n* High-Performance AKM DAC chip AK4493EQ.\n\n* USB/coaxial digital interface.\n\n* Class-A Transistor expansion.\n\n* USB OTG.\n\n* Dual clock system.\n\n* Combination of tube and transistor.\n\n* Japanese ELNA SILMC capacitors.\n\n* Shell made from aluminum.\n\n* Magnetic tube guardrail.\n\n* Power supply: AC 100–240V.\n\n* Supported OS: Windows (requires drivers), Mac.\n\n* Sample rate: SB input.\n\n* PCM: 16–32 bit/44.1–384 kHz.\n\n* DSD: DSD64–DSD256 (1bit/2.8M–11.2M).\n\n* DXD: 24–32 bit/352.8–384 kHz.\n\n* Output power: 6.35mm: 2,000 mW (at 32 ohms); XLR: 2,000 mW (at 32 ohms).\n\n* Frequency response: 10 Hz–100 kHz(+/- 1 dB).\n\n* Gain: +18 dB.\n\n* Distortion: ≤ 0.01% (1 kHz, 32-ohm load).\n\n* Suitable headphone impedance: 8–600 ohms.\n\n* Size: 9.1 x 4.7 x 4.1 in (23 x 12 x 10.5 cm).\n\n* Weight: 3.3 lbs (1.5 kg).\n\n* USB input.\n\n* Two sets of AUX inputs.\n\n* SPDIF output.\n\n* AUX output.\n\nxDuoo has upgraded its highly appreciated TA-10 tube amp with the very latest, xDuoo TA-10R. They have equipped the latest desktop DAC/AMP with the AK4493 DAC chip. The device features two headphone output ports, one 6.35mm single-ended and another 4-pin XLR balanced port. Along with USB signal input, the latest TA-10R also features Coaxial and Optical signal inputs.\n\nUpgraded To Improve:-\n\nxDuoo has carefully upgraded the main audio chipset in the TA-10R to provide an improved sound quality output over the previous model. They have upgraded the DAC chip to AK4493 unlike the AK4490 in the previous model. The DAC chip is paired with premium components like a HiFi CPLD(Complex Programmable Logic Device) chip, Dual active crystal oscillators, to produce a rich audio experience for its users. The TA-10R utilizes ECC82/12AU7 vacuum tube to process and refine the audio signal.\n\nClass A Amplification:-\n\nxDuoo TA-10R features a Class A amplification circuit. Class A offers the best sound quality output with ultra-low distortion. In Class A ampli","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-179154.jpg?v=1655540902","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-488820.jpg?v=1655276229","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-370188.jpg?v=1655276229","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-354116.jpg?v=1655276229","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-586148.jpg?v=1655276229","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-990999.jpg?v=1655276229","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-grey-550257.jpg?v=1621225456","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-197831.jpg?v=1621225466","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-642840.jpg?v=1621225446","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-653512.jpg?v=1621225461","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-570765.jpg?v=1621225452","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-ta-10r-ak4493eq-tube-headphone-amplifier-hifigo-153262.jpg?v=1621225442"],"price":319.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:31.488Z"},"share_url":"https://firestarter.network/l/lst_CoxqubyA","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_CoxqubyA' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy xDuoo TA-10R AK4493EQ Tube Headphone Amplifier' and a budget_max comfortably above $319.99 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."]}}