{"type":"firestarter.listing","listing":{"id":"lst_VpgScvhS","product_name":"Gustard R30","category":"AMP & DAC","description":"                                          Pure Analog Sound with Discrete R-2R Technology                The R30 utilizes a self-designed, fully discrete R-2R ladder network DAC for the purest analog sound. This innovative module converts digital signals into analog with precision, bypassing modern delta-sigma DACs’ high-frequency switching to ensure a direct and natural sound reproduction. With its rigorous resistor network, it achieves exceptional audio purity.                                                                                True-1 Bit Decoding for Accurate DSD Playback                Equipped with a True-1 Bit DSD D/A converter, the R30 provides native support for DSD1024. This advanced technology delivers an oversampling ratio 16 times greater than the standard DSD64, ensuring an extremely detailed and dynamic sound. By bypassing PCM conversion entirely, it preserves the integrity of the original pulse density modulation, resulting in a more accurate and engaging listening experience.                                                                                Advanced Digital Filtering for Pristine Sound                The R30 incorporates state-of-the-art digital filtering, utilizing multi-order adaptive algorithms that upsample digital signals intelligently. This cutting-edge technology eliminates in-band aliasing distortion while enhancing resolution and dynamic range. The result is a pristine, high-definition sound free from the harshness often found in conventional DACs, delivering a smoother, more natural listening experience.                                                                                Superior Timing with OCXO and GCLK-02 Clocks                The R30 features an SC-Cut OCXO clock, ensuring exceptional thermal stability and precision accuracy. Paired with the GCLK-02 clock module, this system uses advanced PLL technology to lock the frequency with 1Hz-level precision, reducing jitter and improving overall audio performa","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/1_218b8c2b-e0fb-465d-beb6-348a0d78fbb8.jpg?v=1755679330","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/8311baa5f98a7cc944e8c44372bbd021.jpg?v=1755679330","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/c611291214d13da52fda1e1fc4bdff12.jpg?v=1755679330","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R301.jpg?v=1755679330","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R30_33e8ac09-be7c-4a55-ab9e-6e5fa2916181.jpg?v=1755679330","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R30_83562e16-cf19-4057-a166-b88e8b1b580b.jpg?v=1755679330","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R30_3.jpg?v=1755679330","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R30_ee48c226-aef9-42dc-ac71-d1117b2c951d.jpg?v=1755679330","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R30.jpg?v=1755679330","https://cdn.shopify.com/s/files/1/0040/7201/3924/files/R30_4.jpg?v=1755679330"],"price":3599.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:44.725Z"},"share_url":"https://firestarter.network/l/lst_VpgScvhS","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_VpgScvhS' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gustard R30' and a budget_max comfortably above $3599.99 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."]}}