{"type":"firestarter.listing","listing":{"id":"lst_Sod8MPt3","product_name":"TANCHJIM LUNA Portable Headphone Amplifier High-Resolution USB DAC","category":"Headphone DAC/Amp","description":"The LUNA Portable Headphone Amplifier High-Resolution USB DAC is a compact HiFi DAC and headphone amplifier designed for portable music listening, IEMs, and desktop use. Built with dual CS43198 high-performance DAC chips, the LUNA delivers clean, detailed, and high-resolution sound in a lightweight dongle-style design.\nThe LUNA supports PCM up to 32-bit/768kHz and DSD256, making it suitable for high-resolution audio playback from compatible devices. With both 4.4mm balanced and 3.5mm single-ended outputs, it works with a wide range of IEMs, earphones, and headphones.\nDesigned for use with PC and Android devices, the LUNA also supports APP control for convenient operation and sound adjustment. Its portable size makes it a great choice for users who want improved sound quality from phones, tablets, laptops, and desktop setups. This item is in open-box condition.\nKey Features:\n\n\nLUNA portable USB DAC and headphone amplifier\n\n\nDual CS43198 high-performance DAC chips\n\n\nSupports PCM up to 32-bit/768kHz\n\n\nSupports DSD256 playback\n\n\n4.4mm balanced headphone output\n\n\n3.5mm single-ended headphone output\n\n\nDongle DAC design for portable use\n\n\nSupports PC and Android APP control\n\n\nGreat for IEMs, earphones, and headphones\n\n","images":["https://cdn.shopify.com/s/files/1/0225/2721/3642/files/img_8507_large_5dae3a3f-4dbd-42b2-975c-4f2f6e19656b.jpg?v=1783654120","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/img_8505_large_4df24f7b-5c09-4426-aa48-2265413f949f.jpg?v=1783654120","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/img_8511_large_a4dc4074-0cc1-40a2-ad1f-34d93007dece.jpg?v=1783654120"],"price":118.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-10T07:45:46.809Z"},"share_url":"https://firestarter.network/l/lst_Sod8MPt3","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_Sod8MPt3' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TANCHJIM LUNA Portable Headphone Amplifier High-Resolution USB DAC' and a budget_max comfortably above $118.99 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."]}}