DS18 BD15002 1500W 2 Channel Amplifier This High Power Amplifier Comes in a Black Die-Cast Aluminum Chassis, Sandy Black Anodized, MOSFET PSU Transistors, Unbalanced Inputs (RCAs), Pre-Amp Outputs and Tri-Mode Capability This Amp also Has Hi/Low/Subsonic Pass Crossovers,, 200mV-6V Low Level Inputs, Direct 4 GA. Power Terminals, 8GA. Speaker Terminals, 2-OHM Stable in Stereo Mode, 4-OHM Bridged Stable Class A/B, White Illuminating Logo and Blue LED Power/Status Indicator With Power and Protection LEDs this Amplifier can bring you the best power with RMS @ 4-OHMS: 2 X 105W, RMS @ 2-OHMS: 2 X 180W, RMS @ 1-OHM: N/A, RMS @ 4-OHMS BRIDGED: 1 X 360W Featuring Crossover and Switching capabilities: Variable 12dB Octave Hi-Pass: 10 Hz - 150 Hz, Variable 24dB Octave Low-Pass: 30 Hz - 150 Hz, Bass Boost: 12dB at 45 Hz; and a Signal to Noise Ratio of 104dB Lastly, this Amplifier Includes Variable Input Level Controls and a Four Way Protection Circuit: Thermal Protection, Over-Load Current Protection, Output Direct Current Protection and Speaker Short Circuit Protection