Polk Audio PAD4000.4 800w RMS 4-Channel Marine Amplifier Boat Amp PA D4000.4

Features:

Polk Audio PAD4000.4 4-Channel 800 Watt RMS Car Audio Amplifier Amp PA D4000.4
Super-Eefficient Class D Design - Runs much cooler than conventional amps.
High-Speed MOSFET - Switching power supply.
Toroidal Transformers - Help keep the amplifier's sleek design under 2 tall while ensuring plenty of clean, efficient power.
Protection - Thermal, DC offset, reverse DC voltage and short circuit protection.
Nickel-Plated Wire Terminals & RCA Connectors - Ensure maximum signal transfer.
Front & Rear Level Controls - Adjust the gain of the front and rear channels to match the output voltage from your head unit.
Low-Pass & High-Pass Frequency Controls - Enables you to adjust crossover overlap for better blending of speakers.
Front & Rear BPF, FULL, HPF Switches - Selects full range, high pass filter, or bandpass filter to dial in your speaker blending.
Channel Mode Switch (ST/4Ch) - In the Stereo position, the amplifier will send the same signal to front and rear channels.
Stainless Steel Hardware - Used throughout won't corrode in humid environments.

Specifications:

Type: Bridgeable Class D MOSFET
Channels: 4 channel
RMS Continuous Power @ 4 Ohms: 125 W x 4
RMS Continuous Power @ 2 Ohms: 200 W x 4
Power Bridged @ 4 Ohms: 400 W x 2
Distortion at Rated Power: <0.1%
Minimum Impedance Bridged: 4 Ohms
Minimum Impedance Not Bridged: 2 Ohms
Signal-to-noise Ratio: 105 dB
Frequency Response: 20 Hz-20 kHz
Damping Factor: >100
Crossover Filter Slope: 12 dB/octave
Filter Switch (Front): 3-position (HPF, Full, BPF)
High Pass Filter Frequency Range (Front): 20 Hz - 4 kHz
Low Pass Filter Frequency Range (Front): 50 Hz - 5 kHz
Front Gain Control: 200 mV - 6 V
Filter Switch (Rear): 3-position (HPF, Full, BPF)
High Pass Filter Frequency Range (Rear): 20 Hz - 4 kHz
Low Pass Filter Frequency Range (Rear): 50 Hz - 5 kHz
Rear Gain Control: 200 mV - 6 V
Line Level Inputs
LED Power Indicator
LED Protection Indicator
Supply Voltage: 10 V - 16 V
Fusing & Power/Type: (1) 40A (1) 35A ATC
Power Connections: 4 AWG
Ground Connections: 4 AWG
Speaker Connections: 12 AWG
Height: 1 13/16 (46 mm)
Depth: 6 3/4 (171.5 mm)
Width: 10 15/16 (277.8 mm)
Width w/ Terminal Adaptor: 11 11/16 (296.9 mm)
Weight: 5 lbs (2.7 kg)

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