{"type":"firestarter.listing","listing":{"id":"lst_oDIF78Mj","product_name":"CCA HM20","category":"Earphones/IEMs","description":"\n\n\n3rd Generation Innovative “XUN-7” Dynamic Driver & Multiple BA Combination\nEquipped with independently R&D high-performance innovation \"XUN-7\"dynamic driver, the CCA HM20 features three 50024s multiple BA combinations and a 30019s BA driver on each side to achieve the prefer clear & powerful bass, natural vocals, and smooth treble extension. This device also utilizes a metal meshed protector to provide more excellent audio performance to users.\n\n\n\n\n\n3D Printed Sound Duct Structure\nCCA HM20 inside earpiece shells characterizes a 3D printed sound duct structure design, which use the 4th generation DLP high precision device to ensure the better precision. The physical band-pass and low-pass filtering relying on 3D printing forms a hybrid three-frequency structure, which is divided by the RC power frequency division. The physical band-pass filtering can handle the lower and mid frequencies, while low-pass filtering can limit the Q value of mid-high frequencies. Inside the earpieces, their shells are designed into a 3D printed sound duct structure, which makes the drivers move smooth and ensure there is no distortion in the sound output.\n\n\n\n\n\nHigh-end Military Grade Zinc Alloy Panel\nFeaturing unique design into mosaic crafts, HM20 is made of high-precision metal die-casting process. It is well polished from the metal shell, and has undergone as many as 27 complex processes such as polishing, sandblasting and electroplating. Finally, this device presents a dazzling appearance, comparable to luxury jewelry, and its hardness is comparable to military industry, strong and durable.\n\n\n\n\n\nReplaceable Cable Design & & High-Isolation Performance Ear tips\nEasily switching to be wireless mode, the CCA employs replaceable cable design, featuring 0.75mm standard gold-plated PIN connectors. These connectors can be upgrade to the wireless version with CCA BTX. After CCA professional acoustics team meticulously tuning, the HM20 finally comes up with stereo surroun","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/products/SKU_LOGO_2de2b190-c26a-4a2b-a493-7271c3fdc486.jpg?v=1666600412","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/6_b2d26d31-9dd8-423f-bb58-2cb68d026856.jpg?v=1666600412","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/9_37b6bfb5-f080-40af-a892-d1f7324e2500.jpg?v=1666600412","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/1_8598a267-19b5-4d70-8a7a-24ae28cce547.jpg?v=1666600412","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/SKU_LOGO.jpg?v=1666597308","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/14_43d80e44-f8df-4a09-a2c1-0cb2a5eb360c.jpg?v=1666597308","https://cdn.shopify.com/s/files/1/0040/7201/3924/products/5_a173f3cf-506b-4a31-a5d3-3d2513aa4e42.jpg?v=1666597308"],"price":60,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:47.191Z"},"share_url":"https://firestarter.network/l/lst_oDIF78Mj","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_oDIF78Mj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy CCA HM20' and a budget_max comfortably above $60.00 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."]}}