JL Audio XDM300/1 Mono car/marine subwoofer amplifier — 300 watts RMS x 1 at 2 ohms

Product info:

• mono car/marine subwoofer amplifier
• 200 watts RMS x 1 at 4 ohms
• 300 watts RMS x 1 at 2 ohms
• variable low-pass filter (50-500 Hz, 12 or 24 dB/octave)
• Class D amplifier design with NextD™ switching amp technology
• differential-balanced inputs help eliminate noise
• weather-resistant chassis: black powder-coat finish, gasketed control cover, stainless steel hardware
• preamp and speaker-level inputs
  
• switchable input filter (car/boat) eliminates interference from onboard high-current devices
• speaker-level inputs handle up to 4Vrms (about 4 watts)
• speaker-level inputs feature auto turn-on via DC offset or signal sensing
  
• preamp outputs
• wiring, fuse, and hardware not included with amplifier
• 8-gauge power and ground leads and a 30-amp fuse recommended
• 6-7/8"W x 2"H x 7-1/8"D