{"product_id":"mcintosh-mc2-1kw-monoblock-amplifier","title":"McIntosh MC2.1KW 1-Channel Solid State Monoblock Power Amplifier","description":"\u003ch2\u003eMcIntosh MC2.1KW 2,000-Watt Monoblock Power Amplifier\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMcIntosh MC2.1KW\u003c\/strong\u003e is a reference-level, one-channel solid state amplifier created for the most demanding two-channel music systems and home theaters. Its three-chassis design combines one Output Module with two 1,000-watt Power Modules to deliver \u003cstrong\u003e2,000 watts into 2, 4 or 8 ohms\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe MC2.1KW is \u003cstrong\u003esold individually as one complete three-module amplifier system\u003c\/strong\u003e. Two complete MC2.1KW systems are required for conventional stereo operation. It is intended for power-hungry loudspeakers, exceptionally large rooms and reference systems where extreme dynamic headroom and control are required.\u003c\/p\u003e\n\u003ch3\u003eThree-Chassis Quad Balanced Design\u003c\/h3\u003e\n\u003cp\u003eThe incoming signal enters the Output Module and is divided into in-phase and out-of-phase signals. Each signal is amplified by a separate 1,000-watt Power Module before returning to the Output Module, where the McIntosh Autoformer™ combines their power while reducing common noise and distortion.\u003c\/p\u003e\n\u003cp\u003eSeparating the amplifier into three modules makes each chassis more manageable than a single enclosure weighing more than 400 pounds. It also allows the Power Modules to use conventional household-voltage connections rather than requiring one specialized high-voltage connection.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose the McIntosh MC2.1KW?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,000 watts into 2, 4 or 8 ohms:\u003c\/strong\u003e The hand-wound McIntosh Autoformer delivers full rated power across all three supported loudspeaker impedances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad Balanced architecture:\u003c\/strong\u003e The two Power Modules operate in a balanced configuration that helps cancel noise and distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight large filter capacitors:\u003c\/strong\u003e The substantially enlarged capacitor banks support improved low-frequency performance and greater dynamic headroom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual balanced and unbalanced inputs:\u003c\/strong\u003e Two input sets allow connection to two preamplifiers or to separate tube and solid state outputs from a compatible preamplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple speaker terminals:\u003c\/strong\u003e Three sets of Solid Cinch™ binding posts are provided for each 2, 4 and 8-ohm output to simplify bi-wiring or tri-wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Guard®:\u003c\/strong\u003e Monitors the signal and makes rapid adjustments to help prevent clipping and potential loudspeaker damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSentry Monitor™:\u003c\/strong\u003e Fuse-free short-circuit protection disengages the output stage when operating limits are exceeded and automatically resets afterward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonogrammed Heatsinks™:\u003c\/strong\u003e Four heatsinks on each Power Module maintain stable thermal performance under demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect LED illumination:\u003c\/strong\u003e Illuminates the blue Watt meter, logos and visible capacitor banks with consistent lighting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilt for Reference Music and Theater Systems\u003c\/h3\u003e\n\u003cp\u003eThe MC2.1KW is suited to large, difficult-to-drive loudspeakers and systems that must reproduce wide dynamic swings without strain. It can be used as part of a two-channel reference system, as a dedicated amplifier for a critical home-theater channel or in multi-amplifier installations.\u003c\/p\u003e\n\u003cp\u003eCompared with the \u003ca href=\"\/products\/mcintosh-mc1-25kw-monoblock-amplifier\"\u003eMcIntosh MC1.25KW\u003c\/a\u003e, the MC2.1KW increases rated output from 1,200 watts to 2,000 watts and moves from a single chassis to a three-module architecture. The MC1.25KW is considerably easier to place, while the MC2.1KW is intended for systems that require McIntosh’s highest level of power delivery and physical scale.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Placement\u003c\/h3\u003e\n\u003cp\u003eOne MC2.1KW includes an Output Module weighing \u003cstrong\u003e125 pounds\u003c\/strong\u003e and two Power Modules weighing \u003cstrong\u003e145 pounds each\u003c\/strong\u003e, for a combined net weight of approximately \u003cstrong\u003e415 pounds\u003c\/strong\u003e. Each module is nearly 18 inches wide and more than 30 inches deep when its handles and interconnect cables are included.\u003c\/p\u003e\n\u003cp\u003eThe three modules require properly rated equipment platforms, generous ventilation and careful delivery planning. Electrical service, outlet placement, cable routing, floor loading and access through doors or stairways should be evaluated before installation. A stereo system requires six total chassis.\u003c\/p\u003e\n\u003ch3\u003eMcIntosh MC2.1KW Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier Type\u003c\/th\u003e\n\u003ctd\u003e1-channel solid state monoblock power amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem Configuration\u003c\/th\u003e\n\u003ctd\u003eOne Output Module and two Power Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Output\u003c\/th\u003e\n\u003ctd\u003e2,000 watts into 2, 4 or 8 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuit Configuration\u003c\/th\u003e\n\u003ctd\u003eQuad Balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Type\u003c\/th\u003e\n\u003ctd\u003eMcIntosh Autoformer™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Harmonic Distortion\u003c\/th\u003e\n\u003ctd\u003e0.005%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignal-to-Noise Ratio\u003c\/th\u003e\n\u003ctd\u003e123dB below rated output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDynamic Headroom\u003c\/th\u003e\n\u003ctd\u003e2.1dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDamping Factor\u003c\/th\u003e\n\u003ctd\u003eGreater than 40 wideband\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Response\u003c\/th\u003e\n\u003ctd\u003e+0\/-0.25dB from 20Hz–20kHz; +0\/-3dB from 10Hz–100kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs\u003c\/th\u003e\n\u003ctd\u003eTwo balanced XLR and two unbalanced RCA input sets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeaker Outputs\u003c\/th\u003e\n\u003ctd\u003eDedicated 2, 4 and 8-ohm outputs with three terminal sets per impedance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Module Dimensions\u003c\/th\u003e\n\u003ctd\u003e17-15\/16 inches W x 12-5\/32 inches H x 30-3\/16 inches D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Module Dimensions\u003c\/th\u003e\n\u003ctd\u003e17-15\/16 inches W x 11-7\/8 inches H x 30-3\/16 inches D each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003eOutput Module: 125 lbs; Power Modules: 145 lbs each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003eOutput Module: 150 lbs; Power Modules: 165 lbs each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e3-year limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eIs the McIntosh MC2.1KW sold as a pair?\u003c\/h4\u003e\n\u003cp\u003eNo. One MC2.1KW is a complete monoblock amplifier consisting of three chassis and powers one audio channel. Two complete systems are needed for stereo.\u003c\/p\u003e\n\u003ch4\u003eDoes one MC2.1KW include all three modules?\u003c\/h4\u003e\n\u003cp\u003eYes. One amplifier includes one Output Module and two 1,000-watt Power Modules, along with the required module interconnects.\u003c\/p\u003e\n\u003ch4\u003eCan the MC2.1KW deliver full power into 2-ohm speakers?\u003c\/h4\u003e\n\u003cp\u003eYes. Its dedicated 2, 4 and 8-ohm Autoformer outputs deliver the full rated 2,000 watts into each supported impedance.\u003c\/p\u003e\n\u003ch4\u003eWhy does the MC2.1KW use three chassis?\u003c\/h4\u003e\n\u003cp\u003eThe arrangement divides the amplifier’s weight into more manageable modules and allows the two Power Modules to connect to conventional household-voltage outlets instead of requiring one specialized high-voltage connection.\u003c\/p\u003e\n\u003ch4\u003eCan two preamplifiers be connected?\u003c\/h4\u003e\n\u003cp\u003eYes. The dual balanced and unbalanced input sets permit connection to two preamplifiers or to separate vacuum-tube and solid-state outputs from a compatible preamplifier.\u003c\/p\u003e\n\u003ch4\u003eHow does the MC2.1KW compare with the MC1.25KW?\u003c\/h4\u003e\n\u003cp\u003eThe MC2.1KW delivers 2,000 watts and uses three chassis, while the MC1.25KW delivers 1,200 watts from one chassis. The MC2.1KW is designed for the most demanding reference systems and requires substantially more installation space and structural support.\u003c\/p\u003e\n\u003ch3\u003eAuthorized McIntosh Dealer Support\u003c\/h3\u003e\n\u003cp\u003eAudio Exchange is an authorized McIntosh dealer serving Richmond, Virginia and customers throughout the United States. Our team can assist with loudspeaker matching, preamplifier selection, electrical planning, delivery logistics and system installation. Explore additional models in our \u003ca href=\"\/collections\/mcintosh-power-amplifiers\"\u003eMcIntosh Power Amplifiers collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"McIntosh","offers":[{"title":"Default Title","offer_id":45730571255855,"sku":"MC2.1KW","price":57500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0235\/1375\/9791\/files\/mcintosh-mc2-1kw-monoblock-amplifier-front-top.jpg?v=1785610338","url":"https:\/\/audio-exchange.com\/products\/mcintosh-mc2-1kw-monoblock-amplifier","provider":"Audio-Exchange","version":"1.0","type":"link"}