Planet Audio TQ1201D 1200 Watts 1-OHM Stable Max Power Class D Monoblock Power Amplifier Max Power (1 Ohm) 1200W X 1 , Rms Power (1 Ohm) 900W X 1 , Rms Power (2 Ohms) 500W X 1 , Rms Power (4 Ohms) 350W X 1 , Signal-To-Noise Ratio 100Db , Frequency Response 50-150Hz , Dimensions: 11-7/16-Inchl X 2-3/8-Inchh X 10-Inchw Class D Monoblock Power Amplifier 900W Rms One Ohm Stable Switchable Input Sensitivity: 100Mv-2V Or 2V-8V Switchable Phase Shift (0-180) Variable Bass Boost (0 To +18Db) Continuously Variable Low Pass Crossover Remote Subwoofer Level Control Variable Subsonic Filter (15-40Hz) Low Level Inputs And Outputs Heavy Duty Set-Screw Style Terminals Strapping Capability:Strap Two Amps Together For Twice The Power Includes: Remote Subwoofer Control And Datalink Cable For Strapping Amps Together (2 Ohm Only)