{"type":"firestarter.listing","listing":{"id":"lst_BEnivyJW","product_name":"TOPPING PA5 Fully Balanced Class D Power Amplifier","category":null,"description":" \n\n\n\n\nFeatures:-\n\n&gt;Fully Balanced Class D amplifier architecture.\n\n&gt;Dual TRS input options.\n\n&gt;Clean and Powerful output.\n\n&gt;Ultra-low distortion ratings.\n\n&gt;High Signal-to-Noise Ratio.\n\nTechnical Parameters:-\n\n&gt;Output Power(THD+N 10%): 140Wx2.\n\n&gt;Output Power(THD+N 1%): 125Wx2.\n\n&gt;SNR: 124dB.\n\n&gt;THD+N: &lt;0.0004%.\n\nTopping PA5 is a brand new fully balanced Class D power amplifier designed specifically to power our HiFi speaker systems. It has a newly-developed Class D amplification circuit that produces quality signal amplification with ultra-low distortion, clean background, and powerful thrust. PA5 is capable of providing up to 140Wx2 output at 4Ω of load(THD+N 10%). Upgrade your desktop speakers with the fully balanced PA5 class D power amplifier.\n\nFully Balanced Class D Amplifier:-\n\nPA5 features Topping's newly developed Class D power amplifier circuit that delivers outstanding signal amplification with ultra-low distortion and high SNR values. PA5 is an ideal power amplifier as it maintains the true high-resolution clarity of the sound signal and makes it ready for powerful HiFi speakers.\n\nUltra-Low Distortion &amp; High SNR Ratings:-\n\nTopping PA5's professional design enables it to achieve ultra-low THD+N distortion as well as high SNR(signal-to-noise ratio) ratings. The device has &lt;0.0003% THD+N ratings at 8Ω of load. It also achieves 124dB SNR ratings. Both of these reflect the quality performance that PA5 holds within it. If you are looking for a powerful power AMP for your stereo speakers, PA5 will serve you well with its true high-resolution performance.\n\nPowerful Output For Your HiFi Speaker System:-\n\nNot only the Topping PA5 maintain clarity and resolution for the sound signal, but its main purpose is also to provide powerful sound signal amplification. it excels at that with a powerful output thrust of 140W@4Ω load(THD+N 10%). Even at high quality 1% THD+N, the PA5 provides up to 125W@4Ω of load. It can power your stereo speak","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-pa5-fully-balanced-class-d-power-amplifier-hifigo-black-467744.jpg?v=1689627349","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-pa5-fully-balanced-class-d-power-amplifier-hifigo-205868.jpg?v=1689627338","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-pa5-fully-balanced-class-d-power-amplifier-hifigo-729198.jpg?v=1689627413","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-pa5-fully-balanced-class-d-power-amplifier-hifigo-885422.jpg?v=1689627396","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-pa5-fully-balanced-class-d-power-amplifier-hifigo-487797.jpg?v=1689627385","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-pa5-fully-balanced-class-d-power-amplifier-hifigo-293108.jpg?v=1689627314","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-pa5-fully-balanced-class-d-power-amplifier-hifigo-598846.jpg?v=1689627325","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-pa5-fully-balanced-class-d-power-amplifier-hifigo-610178.jpg?v=1689627346"],"price":226.85,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.646Z"},"share_url":"https://firestarter.network/l/lst_BEnivyJW","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_BEnivyJW' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TOPPING PA5 Fully Balanced Class D Power Amplifier' and a budget_max comfortably above $226.85 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."]}}