24dB/OCT. Crossover Slope Variable Subsonic Filter (10Hz-100Hz) Variable Low Pass Filter (30Hz-500Hz) Variable High Pass Filter (50Hz-1KHz) Variable 18dB Bass Boost High and Low Level Input Through RCA Double Sided PCB Dual Protection (Thermal & Short Circuit) RCA Line Out (Preamp) Power & Diagnostic LED Indicator 2 Ohm Stable Stereo Soft Delayed Power On Tri-Mode Capability 0.05% THD...