A bass restoration processor, also called a bass booster or bass restoration processor, such as GR-BASS has multiple adjustments which allow the user to bring out the ideal amount of bass for their music. Most of the time, they have three types of Bass adjustments: frequency, width, and level. The frequency adjustment allows you to choose the specific frequencies you would like brought out in your music. This allows you to have complete control over the bass in your system. Width adjustments on bass restoration processors allow you to choose the amount of frequencies that are affected. You can adjust the processor to affect a wide or narrow bandwidth of frequencies around the selected frequency. Product Features: Bass maximizer and bass restoration processor Accurately recreates and injects low frequency information back into a signal path Maximum bass control - Includes a dash mount remote control Lighted bass restoration display - Output level: 13.5v Frequency response: 10-100000 Hz output - Balance Input noise rejection: 60 dB Technical Details: Maximum Input Level: 15V RMS Maximum Output Level: 13.5V Peak Frequency Response: 10-100,000 Hz T.H.D Rating: 0.003% Signal-to-Noise Ratio: -130 dB Balanced Input Noise Rejection: >60 dB Input Impedance: 10,000 ohms Output Impedance: 150 ohms Power Supply: high headroom PWM Power Draw: 150 mA Recommended Fuse Rating: 3 Amp