{"type":"firestarter.listing","listing":{"id":"lst_dD9tbtyw","product_name":"TOPPING MX3s Headphone AMP Buildt-in Bluetooth USB Decktop DAC & Power Amplifier","category":"Power Amplifier","description":"Features:-\n>Built-in AKM DAC Chipset.\n>Bass & Treble EQ Settings.\n>Supports Bluetooth Signal Input.\n>High-definition Bluetooth codecs support(LDAC, AptX HD, AptX, AAC, SBC).\n>High-Power Merus Class D Speaker Output.\n>High-Power Headphone Output.\n>Digital USB, Optical, & Coaxial Inputs.\n>RCA Aux Input.\n>Built-in Sub-Woofer Output.\n>Automatic on/off function.\n>Enhanced Performance with Ultra-Low Distortion & High SNR.\n>Two-Level Gain Settings.\n>Built-in OLED Display Screen.\nTechnical Specifications:-\n>Supported Decoding: Up to 24-Bit/192kHz PCM.\n>THD+N: <0.003%.\n>SNR: 115dB.\n>Gain: 2dB(Low-gain), 14.8dB(High-gain).\n>Noise: <2.0uVrms(Low-gain), <7.0uVrms(High-Gain).\n>Output Power: 700mWx2@32Ω(Headphone Output).\n>Speaker Output SNR: 110dB.\n>Speaker Output Noise: <60uVrms(Low-gain), <100uVrms(High-gain).\n>Speaker Output Power: 62Wx2 @ 4Ω.\n \n---SpecificationsSplit---\nTopping MX3S is an upgrade to the classic MX3 all-in-one desktop solution for audio enthusiasts. It’s an ideal device for audiophiles looking to get a one-device compact solution for everything. The MX3S is a high-performance audio decoder, it houses a Merus Class D power amp chipset for your passive speakers, and it also has a high-power amplification circuit for your headphones. MX3S supports everything as a source from a USB input from a laptop/pc to digital Coaxial and Optical inputs from CD players and other devices and even supports high-quality Wireless Bluetooth input. The Topping MX3s packs an outstanding performance in a super compact form factor!!\nHigh-Resolution Audio Signal Decoding With Built-in AKM DAC:-\nTopping has featured a high-performance AKM DAC chip on the MX3S. It enables decoding for high-resolution audio signals supporting up to 24-bit/192kHz bitrate audio signals. It decodes them and provides a rich, clean, smooth output for the listeners.\nHigh-Performance Bluetooth Connectivity With Qualcomm","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-115428.jpg?v=1678826452","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-144538.jpg?v=1678826474","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-silver-278899.jpg?v=1678826094","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-black-370507.jpg?v=1678826219","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-225335.jpg?v=1678826409","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-197336.jpg?v=1678826163","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-876287.jpg?v=1678826458","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-595025.jpg?v=1678825938","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-858321.jpg?v=1678826129","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-mx3s-headphone-amp-buildt-in-bluetooth-usb-decktop-dac-power-amplifier-power-amplifier-hifigo-313667.jpg?v=1678826310"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.601Z"},"share_url":"https://firestarter.network/l/lst_dD9tbtyw","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_dD9tbtyw' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TOPPING MX3s Headphone AMP Buildt-in Bluetooth USB Decktop DAC & Power Amplifier' and a budget_max comfortably above $199.00 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."]}}