{"type":"firestarter.listing","listing":{"id":"lst_GU0eHviB","product_name":"TOPPING L70 Full Balanced NFCA Headphone Amplifier 4Pin XLR/4.4 Balanced/6.35mm SE Output Amp With Remote Control","category":"Headphone Amplifier","description":"Features:-\n&gt;Fully Balanced Headphone Amp Circuit.\n&gt;Pre-Amp Support.\n&gt;Multiple Headphone Output Ports(4-pin XLR+4.4mm Bal+6.35mm SE).\n&gt;Relay Volume Control.\n&gt;Volume Memory Function.\n&gt;NFCA Amplification Modules.\n&gt;Clean and Powerful Output.\n&gt;High Dynamic Range.\n&gt;Ultra-Low Noise-Floor.\n&gt;Low-Distortion In The Output Signal.\n&gt;Two-level Gain Modes.\n&gt;Ultra-Low Output Impedance.\n&gt;Ground Loop Noise Terminator.\n&gt;12V Trigger Interface.\n&gt;Up to 7500mWx2 Output Power(32Ω), 1150mWx2(300Ω).\n---SpecificationsSplit---\nTopping L70 is a high-power desktop headphone amplifier designed with high-performance NFCA modules. With its properly balanced headphone amplification circuit, the L70 produces a powerful output with ultra-low distortion and a noise-free clear background. It houses multiple headphone output ports including 4-pin XLR, 4.4mm balanced, and 6.35mm single-ended headphone ports. Drive even the most demanding headphones with the Topping L70 with ease.\nHigh-Performance NFCA Modules:-\nTopping L70 is designed with the same NFCA(Nested Feedback Composite Amplifier Module) as the flagship A90 headphone amplifier. It features Voltage Current Hybrid Feedback Architecture along with UHGF(Ultra-High Gain Feedback) technology that provides excellent DC and AC performance. With its NFCA modules, the L70 produces a powerful output with ultra-low THD+N and High Dynamic Range.\nClean &amp; Powerful Headphone Output:-\nTopping L70 produces a powerful output with ratings up to 7500mW @ 32Ω of impedance load. Even with such high-power output, the L70 maintains the resolution and clarity with high-SNR, high DNR, and ultra-low noise floor in the output signals. It has two-level gain modes, paired with ultra-low output impedance, drives highly sensitive as well as high-power demanding low sensitivity headphones with ease.\nCan Be Utilized As A Pre-Amp:-\nTopping L70 is not only a powerful headphone amplifier, it can also act as a pre-amp to other power amp","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-554832.jpg?v=1704533432","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-312752.jpg?v=1704533436","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-681256.jpg?v=1704533443","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-645040.jpg?v=1704533418","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-642836.jpg?v=1704533414","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-419047.jpg?v=1704533429","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-104213.jpg?v=1704533389","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-523595.jpg?v=1704533411","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-446192.jpg?v=1704533440","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-725369.jpg?v=1704533365","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-l70-black-uk-996923.jpg?v=1704533397","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/topping-l70-full-balanced-nfca-headphone-amplifier-4pin-xlr44-balanced635mm-se-output-amp-with-remote-control-headphone-amplifier-hifigo-l70-silver-uk-549664.jpg?v=1704533386"],"price":279,"currency":"USD","in_stock":true,"inventory_qty":79992,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.740Z"},"share_url":"https://firestarter.network/l/lst_GU0eHviB","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_GU0eHviB' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TOPPING L70 Full Balanced NFCA Headphone Amplifier 4Pin XLR/4.4 Balanced/6.35mm SE Output Amp With Remote Control' and a budget_max comfortably above $279.00 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."]}}