AC 2-Stage DC Blocker Filter -Eliminate POWER DC Filter & Noise Transformer Protection Overvoltage Surge Suppressor Hi-Fi Audio

AC Power Conditioner with Dual-Stage DC Blocker & Surge ProtectionEliminates Transformer Hum | Dual-Channel Filtering | 20A Capacity⚠️ WARNING: For AC high-voltage systems only. Installation by qualified electricians required. Lethal shock risk!🔌 Key SpecificationsParameterSpecificationInput VoltageAC 110V-220VOutput VoltageAC 110V-220VMax Current20ADimensions80×50×30mm (3.15×1.97×1.18")Weight88g (3.1oz)⚡ Triple Protection TechnologyDual-Stage DC BlockerPatented 2-diode cascade design (vs. standard single-stage)Neutralizes DC offset from:▶ Inverters ▶ Switch-mode PSUs ▶ HVAC systems ▶ EV chargersPrevents transformer core saturation & hummingAdvanced EMI/RFI FilteringX/Y-class capacitors suppress electromagnetic interferenceOvervoltage Defense20D561K varistor clips surges up to 560V🛠️ Component HighlightsPartSpecsQtyFunctionBridge RectifierCBJ5010 (50A/1000V)4DC blocking coreFilter Capacitor35V/2200μF (φ16mm)4DC component absorptionVaristor20D561K1Surge suppressionFilm Capacitor0.47μF/250V X-class1EMI filteringSafety Capacitor3300pF Y1/400V4RFI suppression🔍 Why Superior to Competitors?Standard ProductsTHIS UNITSingle-stage filtering✅ Dual-stage cascadeBasic DC removal✅ Dual-channel + boosted voltage ratingMinimal protection✅ TVS + Varistor + X/Y caps60Hz hum persists✅ Eliminates 99% transformer noise⚠️ Critical Notes for BuyersComponent Variability:"Capacitor brands/specs may vary per batch - actual unit may differ from product images"Installation Warning:"MUST be installed by licensed electricians. Incorrect wiring may cause fire or equipment damage."💡 Technical PrincipleDC offset in AC lines → Causes transformer magnetic saturation → Induces humming/vibration.This module's dual-diode/capacitor network:Blocks DC components (up to ±1.2V)Maintains pure sinusoidal AC outputReduces transformer no-load current by 40-60%