Sundown Audio SAEV4-100.4 4-Channel 100W RMS x 4 @ 4-Ohms Class-AB Car AmplifierBRAND NEW SUNDOWN AUDIO SAEV4 100. 4 4 Channel 100W RMS x 4 @ 4 Ohms Class AB Car Audio Amplifier Key Features: High Fidelity Class A B Multi Channel Design 12dB Octave Variable Subsonic Filter 12dB Octave Variable High Pass Filter 12dB Octave Variable Low Pass Filter Clipping Indicator 4 Way Protection Circuit (Thermal, Voltage Speaker short and DC Offset) Optional Wired Remote Control with Clipping Indicator Specifications: Input Sensitivity 6V Max