Key Features:

• mono subwoofer amplifier
• 400 watts RMS x 1 at 4 ohms (600 watts RMS x 1 at 2 ohms)
• variable low-pass filter (50-500 Hz, 12 or 24 dB/octave)
• switchable subsonic filter (30 Hz, 24 dB/oct)
• Class D amplifier design with NextD™ switching amp technology
• differential-balanced inputs eliminate noise coming from your vehicle's electrical system
• Advanced Rollback Protection System prevents thermal shut-down
• preamp inputs and outputs
• high-level inputs — up to 8 volts RMS (about 16 watts)
• DC offset or signal sensing auto turn-on eliminates need for remote lead
• 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
• 8-9/16″W x 2″H x 7-1/8″D