{"type":"firestarter.listing","listing":{"id":"lst_zoEhesJ7","product_name":"Sennheiser HDB 630 Bluetooth ANC Headphones","category":"Headphone","description":"Get it All with the HDB 630\nYou want it all. High resolution, neutral tone, extra-long battery life, flawless active noise cancellation, and of course, no more cables. Meet the closed-back HDB 630. With the included BTD 700 Bluetooth® USB C Dongle, you’re free to enjoy glorious audiophile sound anywhere you go.\nTurning audiophile sound on its head\nSerious listening used to require a serious amount of equipment. The HDB 630 changes the rules. The pursuit of audiophile sound can get a bit gear intensive. High-end DACs that cost more than your first car did. Balanced cables, big tube amps. Not exactly stuff you bring on a walk around the block. But now you can have your high fidelity and carry it, too — with all the conveniences of state-of-the-art wireless headphones.Plus, thanks to the included BTD 700 Bluetooth® USB C Dongle, you can finally get high-resolution wireless sound from a wide range of devices including most phones, tablets, and laptops. No matter which codecs your device supports, you can enjoy brilliant aptX™ Adaptive with your HDB 630 and the dongle, since it’s an upgrade that makes your smartphone capable of delivering hi-res quality to your headphones.\n\nA perfectly orchestrated acoustic chain\nEach component has been carefully crafted to work in harmony, revealing details you’ve never heard from wireless headphones before. Neutral yet detailed mids make it feel like singers are performing right in front of you. A wide soundstage further enhances the feeling of being there with the musicians.Carefully tuned, neutral, high-res sound like this requires acoustics, mechanics, materials, and electronics that complement each other perfectly. Our engineering team optimized every part of the acoustic chain from the 42 mm in-house transducer to the transparent mesh in the baffle to work together with exceptional balance and clarity.The deep back volume and new acoustic mesh, for example, ensure smooth upper mids and lower treble. The result is a natural and bal","images":["https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-sennheiser-headphone-sennheiser-hdb-630-1227075034.jpg?v=1773347167","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-sennheiser-headphone-sennheiser-hdb-630-1227075033.jpg?v=1773347107","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-sennheiser-headphone-sennheiser-hdb-630-1227075032.jpg?v=1773347048","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-sennheiser-headphone-sennheiser-hdb-630-1227075031.jpg?v=1773346987","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-sennheiser-headphone-sennheiser-hdb-630-1227075030.jpg?v=1773346927","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-sennheiser-headphone-sennheiser-hdb-630-1227075029.jpg?v=1773346868","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-sennheiser-headphone-sennheiser-hdb-630-1227075028.jpg?v=1773346808","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-sennheiser-headphone-sennheiser-hdb-630-1227075027.jpg?v=1773346747"],"price":499.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:25:55.943Z"},"share_url":"https://firestarter.network/l/lst_zoEhesJ7","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_zoEhesJ7' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sennheiser HDB 630 Bluetooth ANC Headphones' and a budget_max comfortably above $499.95 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."]}}