Features 2 Channel Digital Bass Restoration Parametric Bass Equalization Variable Center Frequency Control Selectable PFM Subsonic Filter Switch Selectable Balanced/ Non-Balanced RCA inputs Selectable Ground Isolation Switch Internal Selectable Output Gain Limiter PWM Power Supply Illuminated Logo Dash Mount Remote Control Included Specifications Maximum Input Level 15V RMS Maximum Output Level 13.5V Peak Frequency Response 10Hz - 100KHz ; +/- 1dB Total Harmonic Distortion 0.003% Signal To Noise