{"product_id":"fosi-audio-za3-balanced-stereo-amplifier-2-channel-or-mono-power-with-48v-supply-tpa3255","title":"Fosi Audio ZA3 Balanced Stereo Amplifier – 2-Channel or Mono Power with 48V Supply (TPA3255)","description":"\u003ch2\u003eMeet the Fosi Audio ZA3: compact versatility for your listening room\u003c\/h2\u003e\u003cp\u003eThe ZA3 is a compact, yet capable amplifier designed to adapt to a range of setups—from a desktop music rig to a small home theater system. It switches between stereo and mono modes, letting you tailor power delivery to your speakers and room without swapping hardware. This isn't just about volume; it's about how clean, consistent power can enhance the listening experience across content from music to movies.\u003c\/p\u003e\u003ch3\u003eSmart, flexible power\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual-mode operation: stereo up to 180W, mono up to 235W, so you can match the output to your speakers.\u003c\/li\u003e\n\u003cli\u003ePair two ZA3 units in mono to create a bigger, more dynamic system when you want extra impact.\u003c\/li\u003e\n\u003cli\u003eIncludes a robust 48V power supply to support sustained performance even during demanding passages.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBalanced, low-noise signal path\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBalanced input with XLR and 1\/4\" TRS compatibility helps minimize interference and preserve signal integrity.\u003c\/li\u003e\n\u003cli\u003e12V trigger-in enables simple synchronization with other devices for smoother on\/off control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAudiophile-grade components for clarity\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTPA3255 high-end Class-D amp chip paired with premium Japanese NCC, ELNA, and German WIMA capacitors, plus Japanese Sumida inductors.\u003c\/li\u003e\n\u003cli\u003eSINAD up to 89dB, SNR up to 106dB, and a very low noise floor around 150µV for clean, detailed sound.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSmart cooling for reliable performance\u003c\/h3\u003e\u003cp\u003eBuilt on an advanced heat-dissipation concept, the ZA3 uses a larger chassis, side vents, and dust covers to maintain steady output over extended listening.\u003c\/p\u003e\u003ch3\u003eSound customization and future-proofing\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eFive swappable op-amps support a hands-on approach to shaping left\/right channels, balanced input, and subwoofer output. Try compatible DIP8 op-amps to explore tonal changes.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eIn real rooms, the ZA3 can serve a desktop stereo system, a compact bookshelf or tower setup, or a two-unit mono configuration for larger spaces. These benefits come from design choices that emphasize solid power delivery, clean paths, and flexible integration. As with any audio gear, outcomes depend on your specific speakers, room acoustics, and source quality; the ZA3 makes a measured, adaptable upgrade possible rather than a guaranteed result.\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 speakers is the ZA3 best suited for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The ZA3 pairs well with passive bookshelf, tower, and floorstanding speakers; you can use stereo mode for two-channel listening or run two ZA3 units in mono for higher power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I customize the sound with op-amps?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, ZA3 supports five swappable op-amps, allowing experimentation with compatible DIP8 op-amps to tailor the tonal character.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":48401500176541,"sku":"B0CLP4T5L7","price":207.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/fosi-audio-za3-front-view.jpg?v=1781112556","url":"https:\/\/nexoltic.com\/products\/fosi-audio-za3-balanced-stereo-amplifier-2-channel-or-mono-power-with-48v-supply-tpa3255","provider":"Nexoltic","version":"1.0","type":"link"}