1600W of ultra-efficient Class-D Fast Recovery amplification - 800W RMS / 1600W peak power - 133 dB SPL max output (peak @ 1m) - 5 Hz to 145 Hz operating range - 18i high-output woofer with 4i voice coil -Active electronics provide complete system optimization - Symmetrical Linkwitz-Riley crossover (100Hz, 24dB/octave) - Precision tuning filters for ultra-accurate bass reproduction