{"type":"firestarter.listing","listing":{"id":"lst_XAcImjoR","product_name":"TOPPING A70Pro Amplifier Fully Balanced R2R Volume Control Module Headphone Amp","category":null,"description":"Features:-\n\n>Fully-Balanced Headphone Amplifier.\n>Ultra-Clean Output With Low Distortion.\n>Ultra-Low Noise Floor.\n>Wide Dynamic Range.\n>Strong Output Power.\n>Can Work as Headphone Amp/Pre-Amp Function.\n>T’ang-Ku-La Module.\n>Three-Stage Feedback Circuit.\n>R2R Relay Volume Control.\n>Independent Volume Memory.\n>Two-Level Gain.\n>Support EXT90 Extended Inputs.\n>Colorful Display Screen With Three Touch Buttons.\n>12V Trigger Control.\n>Matches Perfectly With D70 Pro Sabre.\nTechnical Specifications:-\n>Maximum Output Power: 17000mW@16Ω(Bal), 6000mW@16Ω(Single-Ended).\n>THD(A-weighted): <0.000065%(500mW, 32Ω), <0.000055%(80mW, 300Ω).\n>SNR: Up to 147dB.\n>DNR: Up to 147dB.\n>Frequency response: 20Hz-40kHz.\n>Output Level: Up to 28Vpp(SE), Up to 56Vpp(Bal).\n>Actual Noise Level: <0.2uVrms(SE, Low-Gain), <0.6uVrms(Bal, Low-Gain).\n>Channel Crosstalk: Up to -124dB(Single-Ended), Up to -133dB(Bal).\nInput Sensitivity: Up to 10.3Vrms.\n>Gain: 0dB(Low gain, SE), 13.9dB(High-Gain, SE), 6dB(Low-Gain, Bal), 19.9dB(High-Gain, Bal).\n>Load Impedance: >8Ω.\nTopping A70 Pro is a brand new high-power headphone amplifier designed with premium quality audio components. The amplifier delivers a whooping output power of up to 17000mW through the balanced output port, it can easily drive any headphone on the planet with its ultimate output thrust. The A70 Pro has a fully-balanced architecture with Topping’s latest T’ang-ku-la module design. Tang-ku-la means a mountain that an eagle cannot fly over. It symbolizes the spirit of Topping, climbing the peak, and benefits from the ultimate performance of the Tang-ku-la module. Add the E70 Pro to your desktop chain and greatly enhance the strengths of your chain with ultimate amplification!!\nTopping’s New T’ang-ku-la Module:-\nTopping A70 Pro promises top-quality sound signal amplification with its latest developed T’ang-ku-la module. It adopts a new three-stage feedback circ","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-306655.jpg?v=1683605654","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-997336.jpg?v=1683605686","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-649670.jpg?v=1683605648","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-250252.jpg?v=1683605668","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-444264.jpg?v=1683605752","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-705195.jpg?v=1683605692","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-757882.jpg?v=1683605651","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-589410.jpg?v=1683605733","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-209183.jpg?v=1683605630","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-a70pro-amplifier-fully-balanced-r2r-volume-control-module-headphone-amp-hifigo-120506.jpg?v=1683605637"],"price":499,"currency":"USD","in_stock":true,"inventory_qty":79992,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.485Z"},"share_url":"https://firestarter.network/l/lst_XAcImjoR","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_XAcImjoR' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TOPPING A70Pro Amplifier Fully Balanced R2R Volume Control Module Headphone Amp' and a budget_max comfortably above $499.00 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."]}}