{"product_id":"moon-461-stereo-mono-amplifier","title":"MOON Compass 461\u003cbr\u003ePower Amplifier","description":"\u003ch3\u003eMOON 461 Power Amplifier\u003c\/h3\u003e \u003cp\u003eThe MOON 461 Power Amplifier from the MOON Compass Collection, is a high-current analog power amplifier engineered to deliver exceptional transparency, control, and dynamic authority across a wide range of loudspeaker systems. As the most powerful amplifier in the Compass Collection, the 461 is designed to preserve signal integrity with remarkable accuracy while maintaining composure and musical refinement under demanding listening conditions. The perfect partner to the \u003ca href=\"https:\/\/listenup.com\/products\/moon-491-preamplifier-network-music-player\"\u003eMOON 491\u003cspan style=\"font-weight: 400;\"\u003e Preamplifier\/Network Music Player\u003c\/span\u003e\u003c\/a\u003e \u003c\/p\u003e \u003cp\u003eBuilt around MOON’s advanced Distortion-Cancelling Amplifier (MDCA) technology, the 461 represents the latest evolution of over four decades of high-performance analog amplifier development. Unlike conventional feedback-based amplifier designs, MDCA operates outside the primary audio signal path by comparing the incoming signal to the amplified output in real time, isolating distortion and non-linear errors before injecting a precise correction signal directly into the output stage. This innovative architecture dramatically lowers distortion, reduces output impedance, improves damping factor, and enhances clarity without introducing coloration.\u003c\/p\u003e \u003cp\u003eThe fully DC-coupled dual-mono design is powered by two independent MOON Hybrid Power (MHP) supply modules, each dedicated to a single channel and delivering stable, ultra-low-noise current with exceptional transient capability. The advanced hybrid power supply combines high-efficiency Power Factor Correction, high-frequency LLC resonant conversion, and regulated linear output stages to ensure consistent performance, reduced ripple, and outstanding dynamic stability.\u003c\/p\u003e \u003cp\u003eThe MOON 461 supports stereo, bridged mono, and bi-amping mono operation modes, allowing flexible integration into high-end audio systems. Combined with MOONLink Ethernet connectivity, premium chassis construction, and refined Compass Collection styling, the 461 delivers reference-grade amplification performance with exceptional versatility and long-term reliability.\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eListenUp's \u003c\/span\u003e\u003ca href=\"https:\/\/listenup.com\/pages\/reach-for-the-moon-trade-up-program\" title=\"REACH FOR THE MOON\"\u003eREACH FOR THE MOON\u003c\/a\u003e\u003cspan\u003e Tade-Up Program!\u003c\/span\u003e\u003c\/p\u003e \u003ch4\u003eSpecifications\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Analog Power Amplifier\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmplifier Class\u003c\/strong\u003e: Class AB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmplifier Technology\u003c\/strong\u003e: MOON Distortion-Cancelling Amplifier (MDCA)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCircuit Topology\u003c\/strong\u003e: Fully DC-coupled design\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eArchitecture\u003c\/strong\u003e: Dual-mono amplifier design\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePower Supply Design\u003c\/strong\u003e: Dual MOON Hybrid Power (MHP) modules\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePower Supply Configuration\u003c\/strong\u003e: One dedicated 800W power supply per channel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePower Factor Correction\u003c\/strong\u003e: Integrated high-performance PFC stage\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConverter Type\u003c\/strong\u003e: High-frequency LLC resonant converter\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOutput Stage\u003c\/strong\u003e: Regulated linear output stage\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperating Modes\u003c\/strong\u003e: Stereo, Bridged Mono, Bi-Amping Mono\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConnectivity\u003c\/strong\u003e: MOONLink dual Ethernet ports\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChannel Separation\u003c\/strong\u003e: High-isolation dual-mono architecture\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e: Reduced through MDCA correction architecture\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDamping Factor\u003c\/strong\u003e: Improved via distortion-cancelling design\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSignal Path\u003c\/strong\u003e: Low-noise, high-linearity analog signal path\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCooling Design\u003c\/strong\u003e: Optimized passive thermal management\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChassis Construction\u003c\/strong\u003e: Black chassis with bead-blasted aluminum cheeks\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailable Finishes\u003c\/strong\u003e: Black or silver aluminum side cheeks\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSystem Matching\u003c\/strong\u003e: Designed to pair with the MOON 491\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: 10-Year manufacturer warranty\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eWhat It's Great At\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eDriving demanding loudspeakers with exceptional control and dynamic authority\u003c\/li\u003e \u003cli\u003eDelivering transparent and highly accurate analog amplification\u003c\/li\u003e \u003cli\u003eReducing distortion without compromising musicality or signal purity\u003c\/li\u003e \u003cli\u003eMaintaining excellent channel separation and stereo imaging\u003c\/li\u003e \u003cli\u003eProviding flexible stereo, bridged mono, and bi-amping configurations\u003c\/li\u003e \u003cli\u003eDelivering stable high-current performance under challenging loads\u003c\/li\u003e \u003cli\u003eIntegrating seamlessly into premium Compass Collection systems\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eExpanded Key Features List\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMOON Distortion-Cancelling Amplifier Technology\u003c\/strong\u003e: Uses real-time distortion analysis and correction outside the audio signal path to dramatically reduce distortion and coloration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFully DC-Coupled Circuit Design\u003c\/strong\u003e: Preserves signal integrity across the entire frequency range while naturally rejecting unwanted DC without servo circuitry.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDual-Mono Amplifier Architecture\u003c\/strong\u003e: Employs completely independent left and right channel layouts with dedicated power supplies for superior channel separation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDual MOON Hybrid Power Modules\u003c\/strong\u003e: Provides ultra-stable, low-noise, high-current power delivery under all operating conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdvanced Power Factor Correction\u003c\/strong\u003e: Converts incoming AC power into a highly stable high-voltage DC rail for improved efficiency and voltage consistency.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLLC Resonant Converter Design\u003c\/strong\u003e: Operates at extremely high frequencies with reduced switching losses and lower electromagnetic interference.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRegulated Linear Output Stage\u003c\/strong\u003e: Delivers low output impedance, reduced ripple, and exceptional transient response for improved amplifier control.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMultiple Operating Modes\u003c\/strong\u003e: Supports stereo, bridged mono, and bi-amping mono configurations for flexible system optimization.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-Linearity Signal Path\u003c\/strong\u003e: Maintains low noise, precise imaging, and stable spatial performance during complex musical passages.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMOONLink Ethernet Connectivity\u003c\/strong\u003e: Enables advanced communication and system integration with compatible MOON components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompass Collection Industrial Design\u003c\/strong\u003e: Features elegant black chassis construction with premium bead-blasted aluminum side cheeks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOptimized Thermal Management\u003c\/strong\u003e: Chassis proportions and cooling architecture ensure stable operation and long-term reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for MOON 491 Integration\u003c\/strong\u003e: Optimized to operate seamlessly with the MOON 491 network player and preamplifier for reference-level system performance.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eMoon 461 Specifications\u003c\/h4\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOutput Power (Stereo 8 Ω) : 150 W\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOutput Power (Stereo 4 Ω) : 300 W\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOutput Power (Mono 8 Ω) : 450 W\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eInput Sensitivity : 1 V\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eInput Impedance : 22 kΩ\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eGain : 31 dB\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eFrequency Response : 5 Hz – 100 kHz +0\/-3 dB\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTotal Harmonic Distortion + Noise (@ 1 W) : 0.005%\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTotal Harmonic Distortion + Noise (@ 150 W) : 0.003%\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIntermodulation Distortion : 0.005%\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eSignal-to-Noise Ratio : 114 dB\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eCrosstalk : –114 dB\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eDamping Factor : 425\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePower Consumption (Idle) : 35 W\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePower Consumption (Full Power Standby) : 34 W\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePower Consumption (Low Power Standby) : 1 W\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eDimensions (width x height x depth) : 16.9x3.5x14.5 in \/ 42.9x8.7x36.8 cm\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eShipping Weight : 24 lbs \/ 11 kg\u003c\/span\u003e\u003c\/p\u003e \u003ch4\u003eFAQ Section\u003c\/h4\u003e \u003cp\u003e\u003cstrong\u003eQ: What type of amplifier is the MOON 461?\u003c\/strong\u003e\u003cbr\u003eA: The MOON 461 is a high-performance Class AB analog power amplifier designed for reference-level stereo systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: What is MOON Distortion-Cancelling Amplifier technology?\u003c\/strong\u003e\u003cbr\u003eA: MDCA technology compares the input and output signals in real time to isolate and correct distortion outside the main audio signal path for cleaner, more accurate sound.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: Is the MOON 461 a dual-mono amplifier?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 461 uses a fully dual-mono architecture with separate dedicated power supplies for each channel.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: What operating modes are available?\u003c\/strong\u003e\u003cbr\u003eA: The amplifier supports stereo operation, bridged mono mode, and bi-amping mono configurations.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: What is MOON Hybrid Power technology?\u003c\/strong\u003e\u003cbr\u003eA: MOON Hybrid Power combines high-efficiency switching technologies with regulated linear output stages for stable, low-noise, high-current power delivery.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: Does the MOON 461 support system integration?\u003c\/strong\u003e\u003cbr\u003eA: Yes, dual MOONLink Ethernet ports provide advanced communication and integration with compatible MOON components.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: Which component is the MOON 461 designed to pair with?\u003c\/strong\u003e\u003cbr\u003eA: The 461 is specifically engineered to pair with the MOON 491 network player and preamplifier.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: What warranty is included with the MOON 461?\u003c\/strong\u003e\u003cbr\u003eA: The MOON 461 includes a 10-year manufacturer warranty.\u003c\/p\u003e","brand":"MOON","offers":[{"title":"Black \/ Two\/One","offer_id":62796597231775,"sku":"MOO-461-BLK","price":5000.0,"currency_code":"USD","in_stock":true},{"title":"Two-Tone \/ Two\/One","offer_id":62796597264543,"sku":"MOO-461-2TO","price":5000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/files\/2d9d0851-9aa4-4ea7-a3b7-8a92d02bc58a.jpg?v=1779374389","url":"https:\/\/listenup.com\/products\/moon-461-stereo-mono-amplifier","provider":"ListenUp","version":"1.0","type":"link"}