Rockford Fosgate PM400X2 Marine Amplifier - 400W 2-Channel Waterproof Boat Stereo Amp for Marine Audio Systems | Perfect for Boats, Yachts & Watercrafts

Features:

• 2-Channel Punch Series Class-ab Marine Amplifier
• RMS Power Rating:
• 4 ohms: 125 watts x 2 chan.
• 2 ohms: 200 watts x 2 chan.
• Bridged, 4 ohms: 400 watts x 1 chan.
• Dynamic Power:
  (PVC/PowerCube)
• 4 ohms: 149 watts x 2 chan.
• 2 ohms: 256 watts x 2 chan.
• Includes a Rockford Fosgate Performance Verification Certificate
  with Inspection Data & Actual Power Rating, (aka "Birth Sheet")
• CEA-2006 compliant amplifier
• CE Compliant
• LED power (blue) and protect (red) indicators
• Features C.L.E.A.N. Set-up with 10-step set-up procedure
• Muted turn on
• Stealth top mounted control panel
• Cast aluminum heatsink
• Short circuit protection
• Over current protection
• Marine grade two part epoxy coating on circuit boards
• Marine grade stainless steel hardware
• Preamp RCA outputs to daisy chain multiple amps
• Balanced Differential Inputs, to eliminate noise picked up by signal cables
• Protected against Dust, UV, & Corrosion
• Dynamic Thermal Management evenly distributes excess heat across entire amplifier heatsink.
• Features MEHSA3 (Maximum Efficiency Heat Sink Application - gen3)
• Input sensitivity: 150 mV - 12 V
• Frequency Response: 20 - 20,000 Hz
• Efficiency (average): 72% @ 4-Ohm
• Total Harmonic Distortion (THD): <1.0%
• Punch EQ Bass: 0 - +18dB boost @ 45Hz.
• 12dB/octave Butterworth crossover (selectable)
• Variable high-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
• Recommended Fuse Rating: 60A x 1 inline (not included)
• Operating Voltage: 9 - 16 VDC
• Max Current Draw: 55A
• Average Current Draw: 28A
• Power Wire Gauge: 4 AWG - 8 AWG
• Speaker Wire Gauge: 8 AWG - 18 AWG
• 4 gauge OFC power and ground wiring is recommended for installation.
• Dimensions: 7.76 Inch W x 11.03 Inch L x 2.38 Inch H

Specifications:

Power Specifications - Full Range Channels:

• RMS Power @ 4 ohms: 100 watts x 2 channels
• RMS Power @ 2 ohms: 200 watts x 2 channels
• Bridged RMS Power: 400 watts x 1 channels

Amplifier Specifications:

• Amplifier Class: AB
• Number of Channels: 2
• Maximum Input Gauge Size: 4 AWG
• Minimum Impedance Unbridged: 2 ohms
• Minimum Impedance Bridged: 4 ohms
• THD at Rated RMS Power: <1.0%
• Speaker Level Inputs: Optional (Requires Accessory Adapter)
• Preamp Outputs: 1 pair
• Built-in Crossover: Low-Pass (LP), High-Pass (HP), Full (AP)
• High-Pass Crossover Frequency: 50 - 250 Hz
• Low-Pass Crossover Frequency: 50 - 250 Hz