{"type":"firestarter.listing","listing":{"id":"lst_nutyz9zd","product_name":"Fearless Audio S8Z","category":"Earphones/IEMs","description":"\n\n\nUpgraded 8BA In-Ear Monitor.\nS8Z has upgraded the drivers with adopting Sonion 37 series compound bass drivers, Sonion 23 series middle frequency drivers and Knowles SWFK high frequency compound drivers, along with 3 way crossover technology. The bass is more flexible, the mid is more smooth and the high is more rich in detail\n\n\n\n\n\nDTC Tuning Conduit.\nAs HiFi industry has been thriving these years, ergonomics is taken more serious and to meet the standards of ergonomics while having enough drivers, we have developed this innovative tuning conduit, DTC based on ACME experience. It perfectly solves the issue and precisely set each channel. It’s the unique technique of years of tuning experience.\n\n\n\n\n\nBalanced Frequency Response Curve.\nFearless Audio is focused on high-end custom earphones and because of our rich experience we are able to tune S8Z into a most satisfactory response curve. The vocal is rich in detail and emotion, the high is full of air, the sound will never let you down\n\n\n\n\n\nCustom Faceplate.\nS8Z has a custom faceplate of various choices. The pattern is unique and it’s irreproducible. Each part is displaying the exquisite technique and aesthetics of Fearless Audio handmade earphones\n\n\n\n\n\nDetachable 2Pin 6N OFC Cable.\nEach earphones come with a 8 core braided OFC cable. It has no microphonics. With this cable, the sound is clearer and smoother. It also ensures fully upgradability for more choice. You can change it for any other cables you prefer\n\n\n\n\n\n\n","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/products/S8z_IEM_Fearless_Audio_x_Linsoul_Faceplate_Design-2.jpg?v=1600225412","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/S8z_IEM_Fearless_Audio_x_Linsoul_Faceplate_Design-4.jpg?v=1600225421","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/S8z_IEM_Fearless_Audio_x_Linsoul_Faceplate_Design-3.jpg?v=1600225427","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/S8z_IEM_Fearless_Audio_x_Linsoul_Faceplate_Design-5.jpg?v=1582463230","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/S8z_IEM_Fearless_Audio_x_Linsoul_Faceplate_Design-1.jpg?v=1600225503","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/S8z_IEM_Fearless_Audio_x_Linsoul_Faceplate_Design.jpg?v=1600225507","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/Fearless_Audio_S8Z_linsoul_EARPHONE.jpg?v=1583478008","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/Fearless_Audio_S8Z_linsoul_EARPHONE_BEST_IEM.jpg?v=1600225514","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/Fearless_Audio_S8Z_linsoul_EARPHONE_-1.jpg?v=1583478008","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/4_43a26ff8-7c5a-44f2-b8c1-b97976cd75ff.jpg?v=1583478008","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/3_91c9a74e-ce82-4742-b9f2-70f72e6b5593.jpg?v=1583478008","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/SX-WL-CG_7671c77b-cdc1-4ae3-9fe9-ff410900a36b.jpg?v=1583478008","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/FX-CK-CC_e3eaeefe-2812-4102-b0d0-ec81dde9aa80.jpg?v=1583478008","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/TS_9ddc0d3d-bd04-49fe-bf8b-8c15b85307a1.jpg?v=1583478003","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/65dfa4c3f23fbdb2af3566439f33034a_2163108a-acd3-48e0-a09a-bbf4c3ac46ca.jpg?v=1600225554","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/O1CN01iu1gdC23BtJZlXlCM__75017218.jpg?v=1600225549","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/665b7e0db6d56c64a2225dc44f876094.jpg?v=1587622399","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/FearlessS8Z_6.jpg?v=1600225528","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/FearlessS8Z_3.jpg?v=1600225538","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/FearlessS8Z_5.jpg?v=1600225544","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/FearlessS8Z_15.jpg?v=1600225559","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/d68025ccc1ba081baa381544746a484b4bfb686efb54b0d53f35af1c9b8d08fe.jpg?v=1650787387","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/568dfbbc2064c66de0e261fe1c19149f7aba36513920fea6380bf7ddb1b6b5a3_7384c5cc-f180-4ba4-ad45-319a439837b7.jpg?v=1651880419"],"price":589,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:43.900Z"},"share_url":"https://firestarter.network/l/lst_nutyz9zd","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_nutyz9zd' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Fearless Audio S8Z' and a budget_max comfortably above $589.00 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."]}}