{"type":"firestarter.listing","listing":{"id":"lst_jAMl3iJU","product_name":"SMSL M400 MQA DAC AK4499 DSD Decoder DSD512 32bit 768kHz Pre-Amplifier","category":null,"description":" \n\nFeatures of SMSL M400:\n\n&gt;Full MQA Decoding.\n\n&gt;Industry Leading High-Performance AK4499 DAC Chip.\n\n&gt;THD+N: 0.000058%(-124dB).\n\n&gt;Dynamic Range: 131dB.\n\n&gt;Signal to Noise Ratio: 131dB.\n\n&gt;Second Generation 16-core XMOS XU216 USB Receiver.\n\n&gt;PCM Decoding up to 32-Bit/768kHz, DSD up to DSD512 natively.\n\n&gt;Dual Independent ACCUSILICON crystal oscillators.\n\n&gt;ALTERA’s High-Speed Clock to process clock and Jitter free conversion.\n\n&gt;Powerful OPAMP’s, featuring OPA1611 and OPA1612.\n\n&gt;Ultra Low Noise Floor.\n\n&gt;Multiple Input Supported featuring USB, Optical, Co-axial, IIS, and Bluetooth.\n\n&gt;Latest Bluetooth V5.0 Support with Ultra Hi-Res codecs including UAT, LDAC, AptX HD, and more.\n\n&gt;LCD Color Display.\n\n&gt;Fully Operational Remote Control.\n\n&gt;Dual Output Ports including Fully Balanced XLR Output, and Unbalanced RCA Output.\n\n&gt;Power Consumption: 5W.\n\nSMSL released their latest flagship-level Desktop DAC, the SMSL M400. It features industry-leading flagship DAC chip AK4499 paired with high-quality chips to provide the users an unmatched crisp sound decoding output.\n\nIndustry Leading Chipset:-\n\nSMSL M400 features an industry-leading flagship AKM DAC, AK4499 paired with second-generation 16-core XMOS XU216 USB receiver chip and dual independent crystal oscillators. The chipset provides a distortion-free and high-quality sound output rich with details. The M400 is able to decode PCM up to 32-Bit/768kHz, and DSD up to DSD512 natively. Apart from a powerful DAC and USB chip, it also features powerful OPA amp’s, OPA1611 and OPA1612.\n\nUnmatched Sound Decoding Quality:-\n\nSMSL M400 has an ultra-low distortion rating of 0.000058%(-124dB), high dynamic range and signal to noise ratio of 131dB. The DAC provides an unmatched sound decoding quality. The output has a very clean background completely noise and distortion-free.\n\nMultiple Input/Output Ports:-\n\nSMSL M400 features multiple input ports. The device features USB, Optical, Coaxial, IIS, and","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/smsl-m400-mqa-dac-ak4499-dsd-decoder-dsd512-32bit-768khz-pre-amplifier-hifigo-115785.jpg?v=1705076190","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/smsl-m400-mqa-dac-ak4499-dsd-decoder-dsd512-32bit-768khz-pre-amplifier-hifigo-905684.jpg?v=1705076220","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/smsl-m400-mqa-dac-ak4499-dsd-decoder-dsd512-32bit-768khz-pre-amplifier-hifigo-614227.jpg?v=1705076166","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/smsl-m400-mqa-dac-ak4499-dsd-decoder-dsd512-32bit-768khz-pre-amplifier-hifigo-462970.jpg?v=1705076063","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/smsl-m400-mqa-dac-ak4499-dsd-decoder-dsd512-32bit-768khz-pre-amplifier-hifigo-392870.jpg?v=1705076173","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/smsl-m400-mqa-dac-ak4499-dsd-decoder-dsd512-32bit-768khz-pre-amplifier-hifigo-340701.jpg?v=1705076180","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/smsl-m400-mqa-dac-ak4499-dsd-decoder-dsd512-32bit-768khz-pre-amplifier-hifigo-309133.jpg?v=1705076103"],"price":859.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:31.611Z"},"share_url":"https://firestarter.network/l/lst_jAMl3iJU","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_jAMl3iJU' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy SMSL M400 MQA DAC AK4499 DSD Decoder DSD512 32bit 768kHz Pre-Amplifier' and a budget_max comfortably above $859.99 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."]}}