{"product_id":"fosi-audio-v3-mono-power-amplifier-240w-mono-class-d-xlr-rca-inputs","title":"Fosi Audio V3 Mono Power Amplifier — 240W Mono Class D, XLR\/RCA Inputs","description":"\u003cp\u003eExperience refined power with the Fosi Audio V3 Mono Power Amplifier. This compact mono amp is designed for HiFi enthusiasts and home theater lovers alike, delivering up to 240W @ 4Ω to drive a single passive speaker with clarity and control. The V3 Mono also lends itself well to multi-channel configurations, making it easy to pair with AVRs for immersive listening rooms or dedicated music set-ups.\u003c\/p\u003e\n\u003cp\u003eEngineered with independent Post-Filter Feedback (PFFB) technology, the V3 Mono addresses common Class-D load dependence, helping to reduce distortion and extend a smooth frequency response. The result is a more linear presentation across the spectrum, allowing you to hear nuanced details in recordings without conjuring exaggerated brightness or harshness.\u003c\/p\u003e\n\u003cp\u003ePremium components underscore the V3 Mono’s performance. The circuit uses the high-grade TPA3255 Class-D amp chip, complemented by respected Japanese Nichicon filter capacitors, ELNA capacitors, German WIMA capacitors, and Japanese Sumida inductors. The four-layer PCB layout further supports stable signal paths, contributing to a low THD floor (as low as 0.006%), a SINAD of 101dB, and an SNR of 123dB. These figures translate into faithful tonal balance, cleaner transients, and quiet backgrounds when you’re enjoying quieter passages in music or cinema soundtracks.\u003c\/p\u003e\n\u003ch3\u003eDesign, cooling, and reliability\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced cooling: The full-body heat-dissipation design places the TPA3255 chip at the bottom and tightly integrates it with the chassis, while dual side vents promote airflow for stable, sustained playback.\u003c\/li\u003e\n  \u003cli\u003eRobust construction: A four-layer PCB and a compact, fanless mono block deliver a compact footprint that still handles higher power demands with ease.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConnectivity and customization\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFlexible inputs: XLR\/¼\" TRS balanced and RCA single-ended inputs with selectable gain, plus an intuitive toggle for quick setup.\u003c\/li\u003e\n  \u003cli\u003eAuto sensing: An auto power\/signal sensing mode helps improve energy efficiency when idle or in standby, without compromising readiness when signals return.\u003c\/li\u003e\n  \u003cli\u003eUpgrade-friendly path: The board supports replacing stock NE5532 op-amps with DIP8 discrete op-amps (e.g., Sparkos, MUSES, OPA families) to tailor your sound signature while powered off when making connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Always power off the device when connecting speaker cables. The V3 Mono is designed to complement high-power speakers and multi-channel AV setups, offering a pathway to richer detail and controlled dynamics without promising any specific outcome.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What power output does the Fosi Audio V3 Mono deliver and to what load?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Delivers up to 240W at 4Ω for a single passive speaker, enabling strong, controlled playback.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What input options and customization does it offer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Supports XLR\/TRS balanced and RCA inputs, auto power sensing, and upgrade-friendly op-amps for different sound profiles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":48406888775837,"sku":"B0D31M3DXY","price":193.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/fosi-audio-v3-mono-front-panel.jpg?v=1781145810","url":"https:\/\/nexoltic.com\/products\/fosi-audio-v3-mono-power-amplifier-240w-mono-class-d-xlr-rca-inputs","provider":"Nexoltic","version":"1.0","type":"link"}