Sony 4 Channel Class High Resolution Car Audio Stereo Amplifier

4-channel car audio amplifier with high-resolution audio compatibility for exciting sound Max power of 350W x2 at 4 ohms , 175W x4 at 2 ohms, and 150W x4 at 4 ohms Features rated power output of 70 watts x4 Premium components and low/high pass filters provide premium sound quality Channel configuration: 4-channel/3-channel/2-channel Frequency response: 10 to 100 kHz High-pass filter: 50 to 300 Hz (variable) High-pass filter slope: 12 dB/oct Low-pass filter: 50 to 300 Hz (variable) Low-pass filter slope: 12 dB/oct Bass boost: frequency (0 to 10 dB): 40 Hz, 0 to 10 dB power output: 70 watts x 4 ratio: 93 dBA Current drain () - rated output power at 4 ohm: 33 amps Line in: Input sensitivity: 0.3 to 6 Signal to noise ratio: 100 dB Tolerance: +0.5/-3 dB Total harmonic distortion at 1 kHz (percent): 0.05 percent Color: Black Dimensions ( x x ): 10.75 x 8 x 2 inches Weight: 5.50 pounds