{"product_id":"michi-prestige-s430-stereo-power-amplifier","title":"Michi Prestige S430 Stereo Power Amplifier","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eMichi Prestige S430 Stereo Power Amplifier\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMichi Prestige S430 Stereo Power Amplifier\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e delivers high-current Class AB amplification for demanding high-fidelity loudspeakers and reference two-channel audio systems. Rated at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e250 watts per channel into 8 ohms (FTC)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e390 watts per channel into 4 ohms\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the S430 combines substantial power reserves, precise speaker control, and the refined engineering of Michi's Prestige Series.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn oversized, custom-engineered toroidal transformer, high-capacity storage capacitors, and a low-noise analog circuit design provide the foundation for exceptional dynamic performance. With balanced XLR and unbalanced RCA inputs, the S430 integrates seamlessly with high-end stereo preamplifiers and source components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Current Class AB Amplification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 250 watts per channel into 8 ohms (FTC), with maximum output of 390 watts per channel into 4 ohms.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCustom Toroidal Transformer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Oversized, in-house-manufactured power transformer designed for stable current delivery and dynamic headroom.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-Capacity Power Supply:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Large reservoir capacitors support demanding musical passages and controlled low-frequency reproduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBalanced XLR and RCA Inputs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Flexible connectivity for premium stereo preamplifiers and analog audio systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDamping Factor of 350:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides precise electrical control of connected loudspeakers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLow-Distortion Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Total harmonic distortion below 0.03% for accurate musical reproduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWide Frequency Response:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 10Hz–100kHz (±0.4dB).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDual Five-Way Speaker Binding Posts:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Secure connections for high-quality speaker cables.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePremium Aluminum Chassis:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Refined construction with a front-panel display and selectable meter views.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRemote Control Included:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Convenient operation and display control.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePower and Control for High-End Loudspeakers\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Michi S430 is engineered to drive demanding loudspeakers with authority while preserving the detail and tonal balance of the original recording. Its high-current output stage and substantial power supply deliver the headroom needed for complex musical passages, powerful bass transients, and wide dynamic contrasts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith a damping factor of 350 and a signal-to-noise ratio exceeding 115dB, the S430 is designed for clean, controlled playback across a broad range of musical styles and listening levels.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePrecision Engineering and System Integration\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAt the center of the S430 is a custom toroidal transformer manufactured in-house, supported by high-efficiency bulk storage capacitors. This power supply architecture provides stable energy delivery for the amplifier's Class AB output stage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBalanced XLR inputs offer compatibility with reference stereo preamplifiers, while RCA connections accommodate conventional analog components. The S430's dual five-way speaker terminals provide versatile loudspeaker cable connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA precision-machined aluminum enclosure, understated front-panel controls, and configurable meter display complete the Prestige Series design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMichi Prestige S430\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStereo Power Amplifier\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAmplifier Class\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClass AB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Output (FTC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250W per channel into 8 ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eContinuous Power Output (Non-FTC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e230W per channel into 8 ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Power Output (Non-FTC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e390W per channel into 4 ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTotal Harmonic Distortion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLess than 0.03%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIntermodulation Distortion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLess than 0.03%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrequency Response\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10Hz–100kHz (±0.4dB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSignal-to-Noise Ratio\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGreater than 115dB (A-weighted)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDamping Factor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e350 (1kHz, 8 ohms)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMinimum Speaker Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAnalog Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBalanced XLR, unbalanced RCA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSpeaker Outputs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual five-way binding posts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Sensitivity – RCA\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2V \/ 12k ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Sensitivity – XLR\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4V \/ 200k ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGain – RCA\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e26.5dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGain – XLR\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20.5dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eChannel Separation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGreater than 70dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e550W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStandby Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLess than 0.5W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions (W × H × D)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e431 × 148 × 405mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e17.5kg \/ 38.6 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Requirements (US)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120V \/ 60Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIncluded Accessory\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRemote control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003ePurchase the Michi S430 at The Grid HiFi\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMichi Prestige S430\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is available through The Grid HiFi for high-performance stereo systems throughout the United States. Our Houston showroom provides expert guidance on matching Michi amplification with premium loudspeakers, preamplifiers, and source components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOrder online or call The Grid HiFi at (713) 218-8120 for personalized system recommendations.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Rotel","offers":[{"title":"Default Title","offer_id":55305520939345,"sku":null,"price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1047\/7178\/0945\/files\/Liferstyleshot.png?v=1791990947","url":"https:\/\/gridhifi.com\/products\/michi-prestige-s430-stereo-power-amplifier","provider":"The Grid","version":"1.0","type":"link"}