{"type":"firestarter.listing","listing":{"id":"lst_1lr1ghOa","product_name":"xDuoo MT-601S High-Performance 12AU7/ECC82 Tube + Class Headphone Amplifier & Pre-amp","category":"Headphone Amplifier","description":"Features:-\n>High-Performance Tube+Class A Headphone Amp.\n>Premium 12AU7/ECC82 Tube in Pre-AMP stage.\n>Sweetness of Tubes, Power of Class A Transistor AMP in a single device.\n>Pre-Amp Line-out function.\n>Japanese ELNA SILMIC(II) Capacitors.\n>Sand-Blasted Textured Aluminum Alloy Chassis.\n>Aux In Support.\n>Single-Ended 6.35mm Headphone Connection Support.\n>Powerful Output, Drives most headphones easily.\nTechnical Specifications:-\n>Output Power: 200mW(32Ω).\n>Dynamic Range: 85dBA(32Ω).\n>Frequency Response: 10Hz-60kHz.\n>Suitable Headphone Impedance: 16-600Ω.\n>THD+N: ≤0.01%.\n>SNR: >100dB.\n>Weight: 0.36Kg.\n>Dimensions: 12x7.8x4cm.\n---SpecificationsSplit---\nxDuoo MT-601S is the second-generation highly-acclaimed MT-601 tube+transistor-based hybrid headphone amplifier. The primary upgrade over the previous model is the updated tube in the amplifier. The OG MT601 featured a 6N11/E88CC tube while the latest MT-601S adopts advanced 12AU7/ECC82 tubes. xDuoo MT-601S brings you the richness of tubes delivering sweet vocals and the dynamics of a transistor Class A amplifier in a single package!!\nRich, Sweet Vocals With Tube Pre-AMP:-\nxDuoo MT-601S features high-performance 12AU7/ECC82 tubes in the pre-amp stage. It adds flavourful sweetness to vocals and presents a lush sound experience for the listeners. You get a musical atmosphere with the MT601S headphone amplifier.\nHigh-Speed Transients, Strong Resolving Power With Class A Amplification:-\nxDuoo MT-601S combines the sweetness of Tubes with the speed and strong resolving power of a class A transistor amplifier. It adds punch and energy to the output signal with a strong thrust.\nLine-Out Function Can be Used As Pre-AMP:-\nxDuoo MT-601S features a line-out function with adjustable volume. It can be used as a pre-amp with other audio amplifiers or active speakers in your chain. The pre-amp output goes through the tube section so you are treated with a rich, smooth tone.\nHigh-Quali","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-mt-601s-high-performance-12au7ecc82-tube-class-headphone-amplifier-pre-amp-headphone-amplifier-hifigo-577610.jpg?v=1670832619","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-mt-601s-high-performance-12au7ecc82-tube-class-headphone-amplifier-pre-amp-headphone-amplifier-hifigo-610653.jpg?v=1670833877","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-mt-601s-high-performance-12au7ecc82-tube-class-headphone-amplifier-pre-amp-headphone-amplifier-hifigo-641256.jpg?v=1670832847","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-mt-601s-high-performance-12au7ecc82-tube-class-headphone-amplifier-pre-amp-headphone-amplifier-hifigo-681181.jpg?v=1670833529","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-mt-601s-high-performance-12au7ecc82-tube-class-headphone-amplifier-pre-amp-headphone-amplifier-hifigo-614027.jpg?v=1670832923","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/xduoo-mt-601s-high-performance-12au7ecc82-tube-class-headphone-amplifier-pre-amp-headphone-amplifier-hifigo-866987.jpg?v=1670833133"],"price":89,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.703Z"},"share_url":"https://firestarter.network/l/lst_1lr1ghOa","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_1lr1ghOa' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy xDuoo MT-601S High-Performance 12AU7/ECC82 Tube + Class Headphone Amplifier & Pre-amp' and a budget_max comfortably above $89.00 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."]}}