The ZXi4006 Zeus 2 Channel Car Amplifier has all the features you need to boost power to your car stereo sound system. Illuminated Hifonics Logo PWM MOSFET EXVP (Exponential Vari-Power Supply) SPC Twin Turbo-Torroids with Simpatico Coil Design Fully Adjustable Accu Cross Crossover Includes - 12 dB Hi-Pass Crossover, 24 dB Low-Pass Crossover Bass Boost - 18 dB Variable Bass Equalization RCA Line Outputs - Permit Amplifier Daisy-Chaining 4 Gauge Power Connectors Number of Channels - 2 RMS Power (4 ohms) 100 watts x 2 channels RMS Power (2 ohms) 200 watts x 2 channels RMS Power (1 ohm) Not Stable Bridged RMS Power 400 watts x 1 channel Peak Power Output N/A Minimum Impedance Unbridged 2 ohms / Minimum Impedance Bridged 4 ohms THD at Rated RMS Power 0.05% Amp Preamp Outputs - 1 pair Built-in Crossover Yes - HP/LP/Full High-Pass Crossover Frequency 10 - 1.2 k Hz Low-Pass Crossover Frequency 30 - 150 Hz Subsonic Filter N/A Signal-to-Noise Ratio >95 dB Channel Separation >70 dB Bass Boost 0 - 18 dB Bass / Gain Remote Fuse Rating 40A Dimensions - 9.84L x 10.39W x 2.5H Remote Bass Control Included