{"type":"firestarter.listing","listing":{"id":"lst_R6UFNOEj","product_name":"Moondrop Echo-B 4.4mm Fully Balanced Portable DAC/AMP","category":null,"description":"Features:-\n>High-Performance Type-C to 4.4mm Portable USB DAC/AMP.\n>Unlimited Online Interactive DSP Tuning Possibilities.\n>High-Resolution 32-bit/384kHz PCM Audio Decoding.\n>Fully Balanced 4.4mm Portable DAC/AMP.\n>Four-Layered Gold-Sinking Circuit.\n>Super Clean Output With Ultra-Low THD+N and high DNR Performance.\n>Easy to Use Type-C Interface.\n>Compatible with Computers, Laptops, Android, and iOS devices.\nTechnical Information:-\n>Plug: Type-C.\n>Headphone Jack: 4.4mm.\n>SNR: 117dB(A-Weighted).\n>Dynamic Range: 120dB(A-Weighted).\n>THD+N: 0.001%(AES17, 20kHz, no-load).\nMoondrop Echo-B is an advanced portable DAC/AMP featuring Type-C to fully balanced 4.4mm connection. It offers enhanced music performance with a custom-developed fully balanced decoding chipset. This enables high-resolution audio signal processing supporting up to 32-bit/384kHz PCM audio signals. Moondrop Echo-B promises top-quality performance with an ultra-low THD+N of 0.001%, a high DNR of 120 dB, and a high SNR of 117 dB. The DAC/AMP has super clean output with a non-audible noise floor even with sensitive IEMs. Explore your favourite music in the all-new clarity of the Moondrop Echo-B.\nBuilt-in Online Interactive DSP Tuning Freedom:-\nMoondrop Echo-B comes equipped with a new online interactive DSP interface. It has complete integration with the Moondrop Link application. In addition to the five built-in tuning configurations, users can also select different tuning setups or customize parametric equalizers through the Moondrop application. Users can also share their tuning configurations and also download configurations designed by others on the application.\nUltra-Clean Output:-\nMoondrop Echo-B is the perfect portable DAC/AMP for audiophiles. It has a standard type-c to 4.4mm interface. With a dedicated audio processing circuitry comprising premium quality components, the Echo-B achieves clean output with ultra-low THD+N of 0.001%, a high DNR of 120dB, and a hig","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/moondrop-echo-b-44mm-fully-balanced-portable-dacamp-hifigo-echo-b-327467.jpg?v=1737068159","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/moondrop-echo-b-44mm-fully-balanced-portable-dacamp-hifigo-592469.jpg?v=1737068134","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/moondrop-echo-b-44mm-fully-balanced-portable-dacamp-hifigo-234492.jpg?v=1737067975","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/moondrop-echo-b-44mm-fully-balanced-portable-dacamp-hifigo-414580.jpg?v=1737068042","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/moondrop-echo-b-44mm-fully-balanced-portable-dacamp-hifigo-923095.jpg?v=1737068163","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/moondrop-echo-b-44mm-fully-balanced-portable-dacamp-hifigo-707901.jpg?v=1737068124"],"price":24.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:29.128Z"},"share_url":"https://firestarter.network/l/lst_R6UFNOEj","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_R6UFNOEj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Moondrop Echo-B 4.4mm Fully Balanced Portable DAC/AMP' and a budget_max comfortably above $24.99 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."]}}