Kenwood D-Series 5-Channel 800W RMS 2-Ohm Class-D Amplifier KAC-D8105

2-Ohms Load Capability Speaker Level Input with Signal Sensing Turn-on Extruded Aluminum Heat Sink Design A B Sub Independent Gain Adjustment Power MOS-FET Switching Power Supply Kenwood D-Series 5-Channel 800W RMS 2-Ohm Class-D Amplifier KAC-D8105 This Listing Includes: (1) Kenwood 5 Channel Amplifier Kenwood D-Series Amplifiers provide a powerful solution in a compact design, ideal for upgrading your car audio system. Expanded Frequency Response Supporting Hi-Res Audio, KAC-D8015 is ideal for high resolution audio playback as it features a frequency response that extends to 50kHz. Dual Sigma Drive This advanced negative feedback circuit improves damping factor and increases accuracy and sound quality. When a signal is passed to a subwoofer, like a 50Hz note, the speaker will move and create the note. However, because the speaker has mass and a suspension, it won't stop moving once it's in motion. This extra movement (sound) creates a type of distortion that's not part of the o