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COBALT ELST 5-CHANNEL AMPLIFIER: The CEA1000.5D is a Class-D full-range 5-channel amplifier built to power a complete car audio system from one unit. Providing up to 1000 watts RMS, it offers clean, efficient power for speakers and a dedicated subwoofer channel. COMPLETE SYSTEM POWER IN ONE AMP: Delivers 75W RMS x 4 at 4 ohms, 125W RMS x 4 at 2 ohms for mids and highs, plus 300W RMS x 1 at 4 ohms and 500W RMS x 1 at 2 ohms for subwoofer output, making it perfect for full front/rear plus subwoofer configurations. INDEPENDENT CHANNEL TUNING: Includes dedicated high-pass and low-pass filters for the 4-channel section and a variable low-pass filter for the subwoofer channel, enabling accurate system tuning without external processors. HIGH-EFFICIENCY CLASS-D DESIGN: The Class-D architecture provides robust output with lower heat and current consumption. Integrated protection circuitry guards against thermal overload, short circuits, and voltage irregularities. COMPACT ALL-IN-ONE SOLUTION: Space-efficient design removes the need for several amplifiers, simplifying installation in cars, trucks, and SUVs while ensuring dependable long-term operation