i5800 - Image Dynamics 5-Channel 760 Watt i-Series Amplifier Variable Subsonic Filter Signal Sharing (allows option of 2, 4 or 6 channels worth of signal input) Variable High Pass and Low Pass Electronic Crossover Soft Delay Remote Turn On/Off Circuit to Eliminating Pops and Clicks Fully Adjustable Bass EQ at 40Hz (up to +18dB)