{"type":"firestarter.listing","listing":{"id":"lst_6L4IiP91","product_name":"THIEAUDIO Legacy 4","category":"Earphones/IEMs","description":"\n\n\nTHIEAUDIO\nThieaudio was launched in 2019 as a creative endeavor of Linsoul Audio. The goal of Thieaudio was to serve as a creative platform for gathering the best teams of engineers to inspire revolutionary audio products for audiophiles and professionals alike. For each project, we hand select the most innovative and renowned engineers in his or her field to oversee the design, engineering, and manufacturing of the products. Gathering the momentum from the success of the Thieaudio Phantom planar magnetic headphones, as well as the Voyager, Legacy, and Signature series In-Ear Monitors (IEM’s), we are committed to the continual expansion on the limits of high-fidelity audio. We welcome you to join us and experience excellence in musical performance.\n\n\n\n\n\nLegacy Series\nThe Legacy series capitalizes on Thieaudio’s proprietary Nano-Membrane Dynamic Driver to create a high-performance hybrid in-ear monitor. Geared towards the discerning audiophile and music enthusiast, the Legacy series re-envisions the qualities that make up high-fidelity audio to present a unique combination of enjoyable tuning that also excels in technical performance. With each model of our Legacy Series, we hope to reveal a refreshing new perspective on your daily listening experience, immersing you deeper into the music. \n\n\n\n\n\nLegacy 4\nThe Legacy 4 was designed concurrently with the Legacy 5 to provide a unique twist to the lineup. With the beloved budget model, the Legacy 3, and the natural and smooth sound signature of the Legacy 5 in mind, we wanted the Legacy 4 to be a middle ground - both in terms of the tuning and price. Utilizing a completely new in-house 8mm poly-membrane dynamic driver for the low end, the Legacy 4 provides the impactful slam of the Legacy 3 and 5, but with a faster speed and enhanced texture. This new driver, matched with the tried and tested American Knowles ED29689 balanced armature (BA) and intuitive low-mid passive crossover design emphasizes a natural mid-frequenc","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_1373_ee1f9ae2-844a-4e3a-8758-9e28cd819168.jpg?v=1729650020","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_1374_d32d35b2-52ed-4cd0-8eb4-749d48ff868f.jpg?v=1729650019","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_1358_62b3ad5d-286c-424e-8d0b-de5e36848c19.jpg?v=1729650019","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_1360_0052d156-5610-4274-88d7-df17598c949c.jpg?v=1729650019","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_1361_5252eeb7-f356-4762-9769-5b0631a4ad12.jpg?v=1729650019","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_1362_abd77adf-6e3f-430c-a0b8-2a40641e8cf6.jpg?v=1729650020","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_1370_111b8109-17f4-44a4-874b-b8646116b0d5.jpg?v=1729650019","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_1376_979032da-03ea-440f-9d72-74ce722e428c.jpg?v=1729650019","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/IMG_1219_c1c916fa-7a35-43e2-9c73-8f1fbfbc1f39.jpg?v=1729650019"],"price":195,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:47.873Z"},"share_url":"https://firestarter.network/l/lst_6L4IiP91","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_6L4IiP91' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy THIEAUDIO Legacy 4' and a budget_max comfortably above $195.00 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."]}}