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MTX XTHUNDER1200.1 1200-WATT RMS MONO BLOCK CLASS D AMPLIFIER What’s Under the Hood? We start by using a highly efficient class D amplifier topology to maximize electrical power efficiency while ensuring total thermal management, even under extreme use. This is all built on a dual sided circuit board with oversized copper traces that maximize electrical flow and minimize power loss before it gets to your speakers. Components are installed using surface mount technology making the circuit incredibly durable and vibration resistant allowing them to survive even when used in big bass systems. FEATURES Class D Topology - Ensures Excellent Thermal Efficiency Low Profile Design - Allows for Installation Anywhere Cast Aluminum Top Cover - Efficiently Dissipates Heat Variable Butterworth Crossover - a 12dB/Oct crossover that allows you to set the frequency your speakers will play down or up to Variable Bass Boost - Allows you to boost your bass output by up to 18dB @45Hz Variable Subsonic Filter - A variable low frequency, high pass filter designed to block potentially damaging bass frequencies Triple Protection Circuitry - Thermal, DC Offset, and Short Circuit Protection circuitry ensures the amplifier will protect itself in the event of a problem External Bass Control - Includes EBC Allowing for Bass Adjustment from Driver's Seat SPECIFICATIONS 4Ω RMS Power Output 400 Watts Signal to Noise Ratio >60dB 2Ω RMS Power Output 750 Watts 1Ω RMS Power Output 1200 Watts THD <0.2% Frequency Response 10Hz - 250Hz Maximum Input Signal 5V Max Sensitivity 100mV Low Pass Filter Variable, 40Hz - 250Hz, 12dB/Oct Subsonic Filter 10Hz - 50Hz, 12dB/Oct, Variable Bass Boost 18dB @ 45Hz Topology Class D Depth 8.9" (226.7mm) Length 14.2" (359.9mm) Height 2.03" (51.5mm)