{"type":"firestarter.listing","listing":{"id":"lst_PH-S5_cC","product_name":"QULOOS MUB1 Bluetooth Portable USB DAC & Headphone AMP","category":null,"description":"\n\nFeatures:-\n&gt;Premium Quad-DAC Arrangement.\n&gt;Four CS43131 DAC Chips.\n&gt;Supports 32-Bit/384kHz PCM &amp; Native DSD256 Signals.\n&gt;Powerful Amp Section With Four BUF634 Chips.\n&gt;High-Resolution Bluetooth Connectivity.\n&gt;HD Bluetooth Codecs Supported(LDAC, AtpX HD, AptX, &amp; More).\n&gt;3.5mm SE+4.4mm Balanced Headphone Outputs.\n&gt;Maximum Output Power: 1100mW.\n&gt;Line-Out Function Support.\n&gt;3.5mm Optical or Coaxial Digital Output.\n&gt;USB UAC2.0/UAC1.0 Supported.\n&gt;OLED Display Screen.\n&gt;Dimensions: 96*65*14.5mm.\n&gt;Weight: 142 Grams.\nQuloos MUB1 is a flagship-grade portable DAC/AMP with Bluetooth connectivity function. Enjoy your favorite music with your favorite set of in-ear monitors and headphones with the Almighty powerful Quloos MUB1. This compact device packs a strong output with a rated output power of 1100mW. This is more than enough to drive even the high-power requiring headphones with ease. Quloos has designed the MUB1 with a premium quad-DAC arrangement ensuring top-quality sound with low distortion and high SNR, and DNR Performance!!\nImpressive Sound With Quad-DAC Setup.-\nQuloos MUB1 promises a high-resolution audio listening experience to its users. The MUB1 is equipped with four high-performance 32-Bit DAC chips featuring four units of CS43131 decoding chips. This 32-Bit Quad-DAC arrangement helps the MUB1 to achieve top-level sound characteristics with high SNR(132dB) and low THD+N(0.0001%).\nHigh-Resolution Wireless Bluetooth Connectivity:-\nQuloos MUB1 portable Bluetooth DAC/AMP features high-resolution wireless Bluetooth Connectivity. Users can feed an audio signal to the MUB1 via the wireless Bluetooth connection option. It supports high-definition codecs including LDAC, ATpX HD, AptX, SBC, AAC, and more.\nOutstanding USB DAC Functionality:-\nQuloos MUB1 can also be used as a DAC with a USB Type-C connector cable function. Users can use the MUB1 with smartphones, Laptops, PCs, and other USB audio-out supporting devices. It sup","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/quloos-mub1-bluetooth-portable-usb-dac-headphone-amp-hifigo-122142.jpg?v=1687270789","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/quloos-mub1-bluetooth-portable-usb-dac-headphone-amp-hifigo-377911.jpg?v=1687270838","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/quloos-mub1-bluetooth-portable-usb-dac-headphone-amp-hifigo-727128.jpg?v=1687270861","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/quloos-mub1-bluetooth-portable-usb-dac-headphone-amp-hifigo-744223.jpg?v=1687270738","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/quloos-mub1-bluetooth-portable-usb-dac-headphone-amp-hifigo-894627.jpg?v=1687270830","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/quloos-mub1-bluetooth-portable-usb-dac-headphone-amp-hifigo-mub1-800562.jpg?v=1687270824"],"price":449.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.429Z"},"share_url":"https://firestarter.network/l/lst_PH-S5_cC","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_PH-S5_cC' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy QULOOS MUB1 Bluetooth Portable USB DAC & Headphone AMP' and a budget_max comfortably above $449.99 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."]}}