MK Sound C15S Passive Subwoofer + VA500 Blue Edition Amplifier

Sound Nominal System Impedance: 4 ohm (Z-min 3.4 ohm) Frequency Response: 22-200Hz +/-3dB (average response in room +/- 3 dB) Frequency Roll Off 20 Hz (-6 dB 20 Hz near field) Crossover Frequency Variable 60-200Hz (VA500Blue) Tweeter NA NA Woofer 1 x 15″ Ultra-Stiff Paper Pulp with fiberglass dustcap Power Handling 800 watt Long term IEC-268-5 (cycled input 77-20K Hz) Power Handling 500 watt Rated IEC-268-5 (constant input 77-20K Hz) Recommended Amp Power VA500 Blue Sensitivity 91dB Drive Signal 100mV VA500 Blue Input Max SPL Continued 118 dB Sinewave 40-200Hz / THD 10% Max SPL Peak 121 dB Sinewave 40-200Hz / THD 10% System Principle Sealed Full 1’’ MDF enclosure Sound Amplifier Power: 500W RMS / 800WPeak System Preamp: Analog THD: 0.5% @ 500W AC Power: 100-240 VAC 50/60Hz Inputs: Line Level RCA L/R Outputs: Line Level RCA L/R EQ Switch 3-Position Room Adaptation: Center of Wall Near a Corner Placed in a Corner Controls: Volume, Phase, Crossover