{"type":"firestarter.listing","listing":{"id":"lst_AdOdnr7v","product_name":"HiBy R4","category":"AMP & DAC","description":"\n\nCyborg-Inspired Industrial Design\nEmbrace the future with R4's cyberpunk, mecha, and space opera-inspired design. Its powerful geometric lines and offset hatch design create the silhouette of a living audio machine, blending retro aesthetics with futuristic motifs for an instantly recognizable and practical appeal.\n\n\nUltimate DAC Array\nExperience unrivaled fidelity with R4's 4-way ES9018C2M DAC array. Featuring four separate DAC chips, R4 delivers higher resolution and wider dynamic range, supporting native playback of DSD up to 256 and PCM up to 32bit/768kHz for a smoother, purer sound experience.\n\n\nCustomized Conversion Pathways\nFor the first time in portable DAPs, R4 features separate conversion pathways for PCM and DSD, ensuring precise tuning and superior sound quality. With individually configured DAC chips and power supplies, R4 offers a substantially better listening experience for both PCM and DSD formats.\n\n\nFlagship-Grade Processing Power\nPowered by Snapdragon 665 SoC with an 8-core CPU, R4 seamlessly runs multiple apps and completes complex audio processing tasks with ease. Enjoy smooth operation and high-quality audio performance for an unparalleled user experience.\n\n\nOpen Android 12 System\nBased on Android 12, R4 offers excellent compatibility and stability with all mainstream apps and streaming platforms. With timely system updates and function upgrades, users can enjoy a customized, intelligent, and intuitive experience.\n\n\nDual Independent Crystal Oscillators\nEnjoy high-precision timing for all audio events with R4's dual independent crystal oscillators. By reducing phase noise and jitter, R4 delivers high-quality audio reproduction for an immersive listening experience.\n\n\nLarge High-Resolution Display\nImmerse yourself in music with R4's large 4.7” Sharp LCD screen, featuring 24 bits / 16.7 million colors for a wider and clearer viewing experience. With a resolution of 720x1080, every detail comes to life on the screen.\n\n\nLong Battery Life\nStay conn","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-white_5.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-black-_5.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-green_5.jpg?v=1714025622","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-orange_5.jpg?v=1714025622","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-green_1.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-green_2.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-green_3.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-green_4.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-green_6.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-orange_1.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-orange_2.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-orange_3.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-orange_4.jpg?v=1714025622","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-orange_6.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-white_1.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-white_2.jpg?v=1714025622","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-white_3.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-white_4.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-white_6.jpg?v=1714025622","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-black-_1.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-black-_2.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-black-_3.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-black-_4.jpg?v=1714025623","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R4-black-_6.jpg?v=1714025623"],"price":249,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:46.235Z"},"share_url":"https://firestarter.network/l/lst_AdOdnr7v","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_AdOdnr7v' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy HiBy R4' and a budget_max comfortably above $249.00 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."]}}