{"type":"firestarter.listing","listing":{"id":"lst_D3u3EAPU","product_name":"TOPPING DX3pro+ Bluetooth 5.0 DAC & Headphone Amplifier Pre Amplifier","category":null,"description":"\nFeatures:-\n\n&gt;Premium ES9038Q2M DAC chip.\n\n&gt;XMOS XU208 USB Processor.\n\n&gt;Hi-Res PCM &amp; DSD decoding.\n\n&gt;Ultra-low THD+N ratings.\n\n&gt;Bult-in NFCA Headphone AMP.\n\n&gt;Fully-functional remote control.\n\n&gt;Hi-Res Bluetooth Transmission.\n\n&gt;Multiple Inputs(Coax, USB, Optical, Bluetooth).\n\n&gt;Powerful headphone output.\n\n&gt;Two-level gain.\n\n&gt;Pre-AMP function.\n\nTechnical Parameters:-\n\n&gt;USB decoding parameters: PCM 32-Bit/768kHz, DSD512 natively.\n\n&gt;Coax+Opt decoding parameters: PCM 24-Bit/192kHz, DSD64 DoP.\n\n&gt;Bluetooth decoding: LDAC, APTX HD, APTX LL, APTX, SBC, AAC.\n\n&gt;THD+N(A-Weighted): &lt;0.00015%.\n\n&gt;SNR(A-Weighted): 122dB.\n\n&gt;Dynamic range(A-Weighted): 122dB.\n\n&gt;Frequency Response: 20Hz-40kHz(±0.7dB).\n\n&gt;Output Level: 2.1Vrms@0dBFS.\n\n&gt;Noise(A-Weighted): &lt;1.8uVrms.\n\n&gt;Channel crosstalk: -137dB.\n\n&gt;Channel balance: 0.3dB.\n\n&gt;Output Impedance: 20Ω.(line out).\n\nHeadphone Output  Parameters:-\n\n&gt;THD+N(A-wt): &lt;0.00015%@1500mW output 32Ω, &lt;0.00013%@160mW output 300Ω.\n\n&gt;SNR: 120dB.\n\n&gt;Dynamic Range: 120dB.\n\n&gt;Frequency Response: 20Hz-40kHz(±0.7dB).\n\n&gt;Output Level: 5.5Vpp(Low Gain), 21.5Vpp(High Gain).\n\n&gt;Noise(A-wt): &lt;2.1uVrms(Low Gain), &lt;7.0uVrms(High Gain).\n\n&gt;Channel Crosstalk: -90dB.\n\n&gt;Gain Level: Low gain: 6.0dB, High gain: 19dB.\n\n&gt;Output Impedance: &lt;0.1Ω.\n\n&gt;Output Power: 1.8Wx2@32Ω, 900mWx2@64Ω, 250mWx2@300Ω.\n\n&gt;Adapter Impedance: &gt;8Ω.\n\nPremium ESS Sabre DAC Chip:-\n\nTopping DX3 Pro+ is equipped with a high-performance ES9038Q2M DAC chip from ESS Sabre Technologies. It is implemented with careful engineering and attention achieving an ultra-low THD+N rating of 0.00015% ensuring quality performance.\n\nHigh-Performance XMOS USB Processor:-\n\nTopping DX3 Pro+ features a premium XMOS XU208 USB processor that provides high-resolution PCM and DSD decoding. It supports 32-Bit/768kHz and native DSD512 decoding.\n\nPowerful NFCA Headphone Amp Circuit:-\n\nTopping has designed a new NFCA h","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-480529.jpg?v=1657625842","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-365864.jpg?v=1648533771","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-208752.jpg?v=1638258968","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-619793.jpg?v=1638258968","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-211570.jpg?v=1638258968","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-568413.jpg?v=1638258968","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-296849.jpg?v=1638258968","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-911639.jpg?v=1638258968","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-851741.jpg?v=1633252245","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-dx3pro-bluetooth-50-dac-headphone-amplifier-pre-amplifier-hifigo-619268.jpg?v=1633252237"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:31.219Z"},"share_url":"https://firestarter.network/l/lst_D3u3EAPU","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_D3u3EAPU' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TOPPING DX3pro+ Bluetooth 5.0 DAC & Headphone Amplifier Pre 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."]}}