JL Audio A1800

Product highlights:

• mono subwoofer amplifier
• at 14.4 volts:
  • 640 watts RMS x 1 at 4 ohms (1,000 watts RMS x 1 at 2 ohms)
• at 12.5 volts:
  • 480 watts RMS x 1 at 4 ohms (800 watts RMS at 2 ohms)
• differential-balanced inputs
• Advanced Rollback Protection System
• variable low-pass filter (40-200 Hz, 12 or 24 dB/octave)
• switchable bass boost (0, 6 dB at 48 Hz)
• optional wired remote bass boost
• Class-D amplifier design
• MOSFET power and output stages
• preamp-level inputs
• speaker-level input with optional converter
• preamp outputs
• 4-gauge power and ground leads and a 80-amp fuse recommended — wiring and hardware not included with amplifier
• no onboard fuses — when installing multiple amps in a system, an additional 80-amp in-line fuse between the distribution block and the amplifier is recommended
• 16-1/8″W x 2-1/2″H x 9-1/4″D