{"type":"firestarter.listing","listing":{"id":"lst_Y12WHsWu","product_name":"TOPPING LA90 Discrete Ultra-high Performance Power Amplifier","category":"Power Amplifier","description":" \nFeatures:-\n&gt;NFCA Discrete High-Power Amplifier Circuit.\n&gt;Powerful Driving Force for both Stereo and Mono Modes.\n&gt;Up to 120W Per Channel Output in Stereo Mode.\n&gt;Up to 220W Output in Mono Mode.\n&gt;Clean Sound With Ultra-Low Distortion(&lt;0.0001%).\n&gt;High SNR Performance(143dB).\n&gt;Two-Step Gain Settings.\n&gt;3 x XLR/TRS Input Options.\n&gt;Selectable Stereo &amp; Mono Modes.\n&gt;Pre-Amp/Bypass Mode.\n&gt;CNC Machined All-Aluminum Build.\n&gt;12V Trigger Interface.\nTopping LA90 is a high-power discrete power amplifier designed especially with top-quality components for premium speaker systems. The LA90 features a special NFCA discrete amplifier circuit and is suitable for demanding speaker systems. It can be used easily in both Stereo and Mono Modes with high-power output ratings in both modes. Topping LA90 has 2-step gain settings promising up to 120W per channel in stereo mode and up to 220W in mono mode. With the help of a precisely designed NFCA circuit, Topping LA90 outputs clean power with ultra-low distortion and high SNR performance. Topping LA90 is a flagship-product ideal for outstanding sound capabilities in a speaker chain!!\nTop-Quality Performance With Discrete Components:-\nFor an amplifier to sound clean and natural, it must have high-quality components on its audio circuitry. LA90 Discrete brings top-quality benchmarks with its discrete audio circuitry. It provides clean, powerful, low-distortion output suitable for high-power requiring Speakers. LA90 Discrete takes your listening experience to a new level of pristine sound and accuracy.\nNewly-Developed Discrete NFCA Circuit:-\nTopping has designed the new LA90 Discrete with a newly developed NFCA Power Amplifier Circuit. It will bring the users ab absolutely amazing experience with your speaker setup. Users will experience the darkest background with ultra-low distortion. LA90 achieves an ultra-low distortion of less than 0.0001% and a high SNR performance of 143dB.\nMultiple TRS &amp; XLR","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-la90-discrete-ultra-high-performance-power-amplifier-power-amplifier-hifigo-black-977632.jpg?v=1679628663","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-la90-discrete-ultra-high-performance-power-amplifier-power-amplifier-hifigo-884698.jpg?v=1679628612","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-la90-discrete-ultra-high-performance-power-amplifier-power-amplifier-hifigo-white-106353.jpg?v=1679628682","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-la90-discrete-ultra-high-performance-power-amplifier-power-amplifier-hifigo-995659.jpg?v=1679628692","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-la90-discrete-ultra-high-performance-power-amplifier-power-amplifier-hifigo-248278.jpg?v=1679628647","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-la90-discrete-ultra-high-performance-power-amplifier-power-amplifier-hifigo-244611.jpg?v=1679628705","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-la90-discrete-ultra-high-performance-power-amplifier-power-amplifier-hifigo-832841.jpg?v=1679628637","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-la90-discrete-ultra-high-performance-power-amplifier-power-amplifier-hifigo-120467.jpg?v=1679628669","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/topping-la90-discrete-ultra-high-performance-power-amplifier-power-amplifier-hifigo-759241.jpg?v=1679628634"],"price":799,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.548Z"},"share_url":"https://firestarter.network/l/lst_Y12WHsWu","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_Y12WHsWu' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TOPPING LA90 Discrete Ultra-high Performance Power Amplifier' and a budget_max comfortably above $799.00 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."]}}