{"type":"firestarter.listing","listing":{"id":"lst_IlIyqNuX","product_name":"MUSE HiFi M5Ultra / M5 Ultra Bluetooth Portable DAC & AMP","category":null,"description":"📥M5 Ultra Desktop Driver Download Guide: Here\nFeatures:-\n>Hi-Res Portable Bluetooth+USB DAC/Amp.\n>Qualcomm’s Latest QCC5125 Bluetooth Chipset.\n>Clean and Sophisticated Display Screen.\n>Built-in JAN6418 Vacuum Tubes for Rich, Sweet Sound.\n>Electron Tube Shock Absorber Technology.\n>Brand-New Digital Audio Purification Circuit with Dual-Independent Crystal Oscillators.\n>Premium Audio Circuitry Featuring 6418 Architecture.\n>Specially Customized ES9038Q2M Chipset Crafted Independently For 6418 Tubes.\n>Built-in Three-Level Gain Modes.\n>Supports Seven Digital Filters.\n>Tube and Transistor Dual Amplification Modes.\n>Dual-Headphone Outputs(3.5mm+4.4mm).\n>Large 3000mAh Battery With QC4.0+PD Fast-Charging Support.\nMuseHiFi M5 Ultra is a brand new portable DAC/AMP with USB and Bluetooth functions. Developed with specially designed 6418 High-Res audio architecture, the M5 Ultra brings us the goodness of both transistor based as well as tube based amplification. It houses two American Raytheon JAN6419 military-grade pentode NOS vacuum tubes. The M5 Ultra has two output options, 3.5mm single-ended and 4.4mm balanced, and it supports Tube or Transistors both the modes on both the outputs. With the MuseHiFI M5 Ultra, elevate your portable listening experience and take it to new heights with its commendable performance!!\nThe Analog Nature of Tubes Or The Excitement of Transistor-Based Amplification:-\nMuseHiFI M5 Ultra is a flagship-level portable DAC/AMP that packs the goodness of both the worlds, you can get the analog and organic character of vacuum tubes or the excitement and clean sound of transistor based amplifiers with this single device. It is equipped with two American RAYTHEON JAN6418 military-grade miniature direct-heated pentode NOS vacuum tubes. Users can switch between Vaccum Tube or normal transistor mode easily. The M5 Ultra provides both Vacuum as well as Transistor based amplification on both 3.5mm and 4.4mm output options.\nTh","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/muse-hifi-m5ultra-m5-ultra-bluetooth-portable-dac-amp-hifigo-707439.jpg?v=1761621065","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/muse-hifi-m5ultra-m5-ultra-bluetooth-portable-dac-amp-hifigo-639893.jpg?v=1761621065","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/muse-hifi-m5-ultra-bluetooth-portable-dac-amp-hifigo-350504.jpg?v=1761621065","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/muse-hifi-m5-ultra-bluetooth-portable-dac-amp-hifigo-462603.jpg?v=1761621065","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/muse-hifi-m5ultra-m5-ultra-bluetooth-portable-dac-amp-hifigo-926874.jpg?v=1761621065","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/muse-hifi-m5ultra-m5-ultra-bluetooth-portable-dac-amp-hifigo-474141.jpg?v=1761621065","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/muse-hifi-m5ultra-m5-ultra-bluetooth-portable-dac-amp-hifigo-405558.jpg?v=1761621065","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/muse-hifi-m5ultra-m5-ultra-bluetooth-portable-dac-amp-hifigo-452150.jpg?v=1761621065"],"price":289,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:29.494Z"},"share_url":"https://firestarter.network/l/lst_IlIyqNuX","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_IlIyqNuX' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MUSE HiFi M5Ultra / M5 Ultra Bluetooth Portable DAC & AMP' and a budget_max comfortably above $289.00 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."]}}