- Separate line input for subwoofer channel. - Subwoofer low pass filter selectable: 45Hz, 80Hz,
- Separate line input for subwoofer channel. - Subwoofer low pass filter selectable: 45Hz, 80Hz, 120Hz. - Subwoofer octave slope adjustment. - Subwoofer output level adjustment. - Individual output level controls for each channel. - Heavy duty metal cabinet. - Built-in fuse protection. - DC to DC isolated power supply.