{"type":"firestarter.listing","listing":{"id":"lst_iI_Uvpy8","product_name":"Open Box SMSL D12 AK4493S Bluetooth 5.0 USB MQA DAC & Headphone Amplifier","category":"Headphone AMP DAC","description":"Our open box products, used exclusively for unboxing videos, are original and unworn, available at a surprise discount price. Only one of each type in stock—first come, first served. Purchase now for immediate shipping.\nFeatures:-\n>High-Performance AKM AK4493S DAC Chipset.\n>Built-In high-performance Power Filtering System.\n>XMOS XU-316 3rd Gen USB Processor.\n>Supports 32-Bit/76kHz PCM & Native DSD512 Audio Signals.\n>MQA Support.\n>Wireless Bluetooth Signal Input.\n>Supports gaming consoles(Playstation 5 and Nintendo Switch).\n>Compact and Handy Design.\n>Anodised CNC Aluminum Alloy Housing.\n>Clean Sound Signal Decoding With Ultra-Low Distortion.\n>High-Power Output with 6.35mm Single-Ended Output.\n>RCA Line-Out.\n>Dual-USB Modes(UAC1.0/UAC2.0).\n>Compatible with Gaming Consoles.\nTechnical Specifications:-\n>Input: USB/Bluetooth.\n>Output Level: 2.5Vrms.\n>Headphone Output Power: 400mW(16Ω), 300mW(32Ω).\n>THD+N: 0.00015%.\n>DNR: 120dB.\n>SNR: 120dB.\n>USB Compatibility: Windows 7 & above, Mac OS X 10.6 & above,, Linux, Android, iOS. Sony PS5(UAC 1.0), Nintendo Switch(UAC 1.0).\n>Signal Bitrate: PCM 32-Bit/768kHz, DSD Native DSD512.\n>Power Consumption: <10W.\n>Standby Power: <0.5W.\n>Size: 139x33x102.5mm.\n>Weight: 355grams.\n---SpecificationsSplit---\n\n \nD12 is a brand new high-performance USB DAC/Amp designed around the latest generation AKM AK4493S DAC Chipset and XMOS’s latest XU316 USB processor chip. It supports decoding for high-resolution 32-Bit/768khz PCM and native DSD audio signals as well as MQA signals with the USB Input. D12 can also be used with Bluetooth Signal Input. It also features a single-ended 6.35mm headphone output with powerful output ratings!! \nLatest-Generation AKM DAC Chipset:-\nSMSL D12 brings you the goodness of high-performance AKM AK4493S latest-generation DAC Chipset. It’s a high-quality 32-Bit Stereo DAC chipset that provides rich sound output with a clean back","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-687218.jpg?v=1695837994","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-789877.jpg?v=1695837978","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-321585.jpg?v=1695838032","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-632811.jpg?v=1695837897","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-686508.jpg?v=1695838128","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-251457.jpg?v=1695837943","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-719903.jpg?v=1695838194","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-980579.jpg?v=1695838022","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-676270.jpg?v=1695838173","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/open-box-smsl-d12-ak4493s-bluetooth-50-usb-mqa-dac-headphone-amplifier-headphone-amp-dac-hifigo-629180.jpg?v=1695838229"],"price":127.15,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.272Z"},"share_url":"https://firestarter.network/l/lst_iI_Uvpy8","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_iI_Uvpy8' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Open Box SMSL D12 AK4493S Bluetooth 5.0 USB MQA DAC & Headphone Amplifier' and a budget_max comfortably above $127.15 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."]}}