{"type":"firestarter.listing","listing":{"id":"lst_lmzRgjyh","product_name":"TOPPING L50 Headphone Amp NFCA Modules","category":null,"description":"\nFeatures:-\n\n>Newly designed NFCA Circuit.\n\n>4-Pin XLR balanced headphone output.\n\n>6.35mm single-ended headphone output.\n\n>Tremendously powerful(Output power rating of up to 3500mW).\n\n> Three-step gain switch.\n\n>Easily use with high sensitivity and low sensitivity headphones.\n\n>High-output voltage.\n\n>Ultra-low output impedance.\n\n>Input pass through.\n\nAlong with the latest E50 MQA desktop DAC, Topping has unveiled its latest balanced headphone amplifier, Behold the latest Topping L50. Using a redesigned NFCA circuit, the L50 brings extraordinary clean sound signal amplification with ultra-low distortion and high SNR ratings. The amplifier has a maximum output power rating of up to 3500mW or 3.5W at 16Ω of load. Even at 600Ω, the L50 provides up to 290mW of power that is more than enough to power up demanding cans without any trouble. For sensitive IEMs, don't worry, the Topping L50 has an ultra-low output impedance of <0.1Ω and a super clean noise-floor, pair them without worrying about any background noise. The latest Topping L50 is designed to match with the latest E50 MQA DAC, making an amazing Desktop stack with MQA decoding and powerful output.\n\nHigh-Class Amplifier For A High-Class DAC:-\n\nTo match with their recently released E50 Desktop DAC, Topping has provided us with a powerful Headphone amplifier, the Topping L50. L50 brings the best out of E50 for your headphones with its clean and powerful signal amplification. Complete your desktop stack with the E50+L50 combo and be prepared for an absolutely brilliant experience.\n\nNFCA Amplification Circuit Redefined:-\n\nBased on the same working principle as the premium A30 Pro amplifier, Topping has revamped the NFCA circuit for the L50 Headphone Amplifier. It provides twice the power of L30 at 300Ω impedance. Topping L50 is optimized to deliver clean amplification to the signal with lower distortion and high dynamic range. The device achieves an ultra-low 0.3uV noise and 145dB high dyn","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-931498.jpg?v=1657625888","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-651148.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-853260.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-425525.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-824234.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-903072.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-904949.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-816797.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-542306.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-984064.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-985351.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-806742.jpg?v=1638264091","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-l50-headphone-amp-nfca-modules-hifigo-221474.jpg?v=1638264091"],"price":229,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:31.245Z"},"share_url":"https://firestarter.network/l/lst_lmzRgjyh","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_lmzRgjyh' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TOPPING L50 Headphone Amp NFCA Modules' and a budget_max comfortably above $229.00 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."]}}