{"type":"firestarter.listing","listing":{"id":"lst_X_D4tP19","product_name":"SABAJ A20d 2023 Version AK4499EX + AK4191EQ Decoding & Headphone Amplifier","category":"Headphone DAC/Amp","description":"The SABAJ A20d 2023 Version Decoding & Headphone Amplifier is a premium desktop DAC and headphone amplifier designed for audiophiles who want high-resolution decoding, powerful headphone output, and flexible connectivity in one compact unit. Built with the flagship AK4499EX + AK4191EQ DAC chipset and 3 x OPA1612 op-amps, the A20d delivers clean, detailed, and dynamic sound performance for HiFi listening.\nThe A20d supports MQA and MQA-CD full decoding, along with Native DSD512 and PCM up to 32-bit/768kHz, making it suitable for high-resolution music playback. It also features Bluetooth 5.0 with LDAC and aptX HD support, allowing users to enjoy convenient wireless streaming with high-quality audio performance.\nWith its decoding capability, headphone amplifier function, and modern connectivity options, the SABAJ A20d is a great choice for desktop HiFi systems, headphone listening stations, powered speakers, and audio enthusiasts who want a refined all-in-one audio solution.\nKey Features:\n\n\nSABAJ A20d 2023 version DAC and headphone amplifier\n\n\nAK4499EX + AK4191EQ flagship DAC chipset\n\n\nBuilt with 3 x OPA1612 op-amps\n\n\nSupports MQA and MQA-CD full decoding\n\n\nSupports Native DSD512\n\n\nSupports PCM up to 32-bit/768kHz\n\n\nBluetooth 5.0 wireless input\n\n\nLDAC and aptX HD support\n\n\nGreat for desktop HiFi and headphone listening\n\n","images":["https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-addsoap-headphone-dac-amp-sabaj-a20d-2023-version-ak4499ex-ak4191eq-decoding-headphone-amplifier-1243942094.jpg?v=1781179997","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-addsoap-headphone-dac-amp-sabaj-a20d-2023-version-ak4499ex-ak4191eq-decoding-headphone-amplifier-1243942096.jpg?v=1781180177","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-addsoap-headphone-dac-amp-sabaj-a20d-2023-version-ak4499ex-ak4191eq-decoding-headphone-amplifier-1243942097.jpg?v=1781179935","https://cdn.shopify.com/s/files/1/0225/2721/3642/files/apos-audio-addsoap-headphone-dac-amp-sabaj-a20d-2023-version-ak4499ex-ak4191eq-decoding-headphone-amplifier-1243942095.jpg?v=1781179817"],"price":206.54,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:25:55.084Z"},"share_url":"https://firestarter.network/l/lst_X_D4tP19","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_X_D4tP19' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy SABAJ A20d 2023 Version AK4499EX + AK4191EQ Decoding & Headphone Amplifier' and a budget_max comfortably above $206.54 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."]}}