{"product_id":"fosi-audio-za3","title":"Fosi Audio ZA3 Balanced Hi-Fi Stereo\/Mono Power Amplifier | TPA3255","description":"\u003ch2 data-path-to-node=\"6\"\u003e1. Professional-Grade Balanced Power\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003eThe \u003cb data-path-to-node=\"7\" data-index-in-node=\"4\"\u003eFosi Audio ZA3\u003c\/b\u003e is a breakthrough in compact high-fidelity amplification. Engineered for enthusiasts who demand precision and versatility, it features a \u003cb data-path-to-node=\"7\" data-index-in-node=\"156\"\u003efully balanced architecture\u003c\/b\u003e and the high-end \u003cb data-path-to-node=\"7\" data-index-in-node=\"201\"\u003eTexas Instruments TPA3255\u003c\/b\u003e chip. Whether used as a standalone stereo amp or paired as dual-mono blocks, the ZA3 delivers a level of sonic transparency usually reserved for high-end rack gear.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"8\"\u003e2. Key Features \u0026amp; Innovations\u003c\/h2\u003e\n\u003ch4 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eInnovative Stereo\/Mono Switchable Design\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eDual-Mode Versatility:\u003c\/b\u003e The ZA3 is a \"chameleon\" in your setup. Use it in \u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"73\"\u003eStereo Mode\u003c\/b\u003e for a classic 2.0 desktop system, or flip the switch to \u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"141\"\u003eMono Mode\u003c\/b\u003e to harness massive power for a single speaker. This allows you to scale your system by adding a second ZA3 later for a true dual-mono configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eSubwoofer Out:\u003c\/b\u003e Includes a dedicated active subwoofer output with a built-in crossover, making it easy to create a powerful 2.1 or 0.1 home theater foundation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eAudiophile Components \u0026amp; Connectivity\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eXLR Balanced Input:\u003c\/b\u003e To ensure a noise-free signal, the ZA3 features \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"68\"\u003eXLR balanced inputs\u003c\/b\u003e that reject electromagnetic interference, ideal for long cable runs and professional DAC connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003ePremium Internal Hardware:\u003c\/b\u003e Built with high-quality Japanese \u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"60\"\u003eNCC and ELNA capacitors\u003c\/b\u003e and German \u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"95\"\u003eWIMA inductors\u003c\/b\u003e, ensuring a stable power supply and a refined, airy high-end.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eReplaceable Op-Amps:\u003c\/b\u003e Features DIP8 sockets for \u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"47\"\u003eOp-Amp rolling\u003c\/b\u003e. Enthusiasts can swap the stock TI NE5532 for Muses02 or OPA2134 to fine-tune the sound texture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"13\"\u003e\u003cb data-path-to-node=\"13\" data-index-in-node=\"0\"\u003eAdvanced Thermal Management\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003eReinforced Cooling:\u003c\/b\u003e The entire CNC aluminum chassis acts as a giant heatsink, complemented by an innovative side-ventilation design to ensure stable performance even during high-output sessions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"15\"\u003e3. Technical Specifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"16\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,0,0\"\u003e\u003cb data-path-to-node=\"16,1,0,0\" data-index-in-node=\"0\"\u003eAmp Chip\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,1,1,0\"\u003eTexas Instruments TPA3255\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,0,0\"\u003e\u003cb data-path-to-node=\"16,2,0,0\" data-index-in-node=\"0\"\u003ePower Output\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,2,1,0\"\u003eStereo: 155W x2 @4Ω \/ Mono: 235W @4Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,0,0\"\u003e\u003cb data-path-to-node=\"16,3,0,0\" data-index-in-node=\"0\"\u003eInput Mode\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,3,1,0\"\u003eXLR Balanced, RCA Unbalanced\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,0,0\"\u003e\u003cb data-path-to-node=\"16,4,0,0\" data-index-in-node=\"0\"\u003eOutput Mode\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,4,1,0\"\u003eSpeaker Out, Subwoofer Out\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,0,0\"\u003e\u003cb data-path-to-node=\"16,5,0,0\" data-index-in-node=\"0\"\u003eFrequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,5,1,0\"\u003e20Hz - 20kHz (±0.1dB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,0,0\"\u003e\u003cb data-path-to-node=\"16,6,0,0\" data-index-in-node=\"0\"\u003eSNR \/ THD\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,6,1,0\"\u003e≥ 106dB \/ ≤ 0.006%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,7,0,0\"\u003e\u003cb data-path-to-node=\"16,7,0,0\" data-index-in-node=\"0\"\u003eOp-Amp\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"16,7,1,0\"\u003eTI NE5532 (Replaceable)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e4. Why the ZA3 is the New Industry Standard\u003c\/h2\u003e\n\u003cp data-path-to-node=\"18\"\u003eThe Fosi Audio ZA3 represents the evolution of Class D amplification. It bridges the gap between affordable desktop audio and high-end Hi-Fi. By supporting \u003cb data-path-to-node=\"18\" data-index-in-node=\"156\"\u003ebalanced inputs\u003c\/b\u003e and providing a \u003cb data-path-to-node=\"18\" data-index-in-node=\"188\"\u003eMono-block option\u003c\/b\u003e, it gives you a professional path to upgrade your audio system without replacing your entire setup.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"ZA3(N0 Power supply Unit) \/ US","offer_id":43670992912477,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true},{"title":"ZA3(N0 Power supply Unit) \/ EU","offer_id":43722619813981,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true},{"title":"ZA3(N0 Power supply Unit) \/ AU","offer_id":43722619846749,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true},{"title":"ZA3(N0 Power supply Unit) \/ UK","offer_id":43722619879517,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true},{"title":"ZA3+32V\/5A PSU \/ US","offer_id":43722619912285,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true},{"title":"ZA3+32V\/5A PSU \/ EU","offer_id":43722619945053,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true},{"title":"ZA3+32V\/5A PSU \/ AU","offer_id":43722619977821,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true},{"title":"ZA3+32V\/5A PSU \/ UK","offer_id":43722620010589,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true},{"title":"ZA3+48V\/5A PSU \/ US","offer_id":43722620043357,"sku":null,"price":149.99,"currency_code":"USD","in_stock":true},{"title":"ZA3+48V\/5A PSU \/ EU","offer_id":43722620076125,"sku":null,"price":149.99,"currency_code":"USD","in_stock":true},{"title":"ZA3+48V\/5A PSU \/ AU","offer_id":43722620108893,"sku":null,"price":149.99,"currency_code":"USD","in_stock":true},{"title":"ZA3+48V\/5A PSU \/ UK","offer_id":43722620141661,"sku":null,"price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/Fosi_Audio_ZA3_001.webp?v=1758606118","url":"https:\/\/emiuzek.com\/ja\/products\/fosi-audio-za3","provider":"EMiUZEK","version":"1.0","type":"link"}