{"type":"firestarter.listing","listing":{"id":"lst_ERySABTB","product_name":"Apos TOPPING-70 Pro Ensemble","category":"Apos Ensemble","description":"Ensemble, assemble!\nApos Ensembles are the Avengers of audio gear—bundles assembled by our team of audio dorks to save your ears from the forces of mediocre sound. Each bundle is like a squad of supers, with every piece of equipment playing its part to deliver an unbeatable listening experience: a DAC to decode the 1s and 0s, an amp to power up the audio, and all the interconnections necessary to bring the team together.\nMeet the Apos TOPPING-70 Pro Ensemble\n The Apos TOPPING-70 Pro Ensemble is a bundle designed to provide you with a premium audio setup straight out of the box. At the heart of this ensemble are the TOPPING D70 Pro DAC and the TOPPING A70 Pro Amp—a dynamic duo that's essentially the Ensemble’s very own Iron Man and Captain America.\nThe TOPPING D70 Pro DAC features the flagship ES9039SPRO DAC chip, delivering high-end audio performance with &lt;0.00006% THD+N and 133dB SNR. It supports Bluetooth 5.1, various output modes, and an integrated preamp function for versatile use. Additional features include the Aurora UI, independent volume memory, and a 12V trigger interface for seamless integration with other devices.\nThe TOPPING A70 Pro Headphone Amplifier features a T'ang-ku-la Module for ultra-low noise and high dynamic range, providing 17000mW x 2 output power. It includes a full-color Aurora UI, relay volume control, and a ground loop noise eliminator, ensuring exceptional audio quality and user experience. The A70 Pro supports both headphone and preamp functions, with multiple gain settings and versatile connectivity options.\nProducts in this bundle\nTopping D70 Pro DAC\n\nFlagship 32-bit ES9039SPRO DAC chip\n\nBrand new I/V conversion circuitry\n\nAurora UI\n\nBluetooth 5.1 transmission\nWide compatibility\nVersatile output modes\nAdjustable output levels\nIntegrated preamp function\nIndependent volume memory\nTimbre fine-tuning\n12V Trigger\n\nTopping A70 Pro Headphone Amp\n\nUnprecedented high power output: 17000mW x 2\nVanishingly low distortion\nRelay volume c","images":["https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-apos-apos-ensemble-apos-topping-70-pro-ensemble-1150740641.jpg?v=1742646766","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-apos-apos-ensemble-apos-topping-70-pro-ensemble-41518333526252.jpg?v=1742575462","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-apos-apos-ensemble-apos-topping-70-pro-ensemble-41518333559020.jpg?v=1742575462"],"price":1209.99,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T16:25:59.407Z"},"share_url":"https://firestarter.network/l/lst_ERySABTB","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_ERySABTB' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Apos TOPPING-70 Pro Ensemble' and a budget_max comfortably above $1209.99 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."]}}