JL Audio HD Series HD1200/1 Mono 1-channel amplifier — 1,200 watts RMS x 1

Product info:

• mono subwoofer amplifer
• 1,200 watts RMS x 1 (rated power from 1.5 to 4 ohms)
• variable high- and low-pass filter (50-500 Hz 12 or 24dB/octave)
• switchable subsonic filter (30 Hz) and output polarity control
• removable power and speaker plugs
• Single Cycle Control Class D amplifier design
  
• Regulated, Intelligent Power Supply System (RIPS) ensures consistent power output over a wide range of battery voltages and load impedances
• differential-balanced inputs eliminate noise from your vehicle's electrical system
• preamp outputs
  
• 4-gauge power and ground leads and a 100-amp fuse recommended — wiring and hardware not included with amplifier
• no onboard fuses — when installing multiple amps in a system, an additional 100-amp in-line fuse between the distribution block and the amplifier is recommended
• 10-13/16"W x 2"H x 8-13/16"D