Product highlights:
- 4-channel subwoofer amplifer
- 150 watts RMS x 4 (rated power from 1.5 to 4 ohms)
- 300 watts RMS x 2 bridged (rated power from 3 to 8 ohms)
- variable high- and low-pass filter (50-500 Hz 12 or 24dB/octave)
- subsonic filter and output polarity control
- removable power and speaker plugs
- optional wired remote for level control
- optional HD stacking kit for stacking multiple HD amps together
- Class D amplifier design
- MOSFET power and output stages
- differential-balanced inputs eliminate noise from your vehicle's electrical system
- speaker- and preamp-level inputs (speaker-level input requires an optional adapter)
- preamp outputs
- 4-gauge power and ground leads and a 50-amp fuse recommended — wiring and hardware not included with amplifier
- no onboard fuses — when installing multiple amps in a system, an additional 50-amp in-line fuse between the distribution block and the amplifier is recommended
- 10-13/16"W x 2"H x 8-7/8"D
- warranty: 2 years