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Polk PA D4000.4 Super Efficient Class-D bridgeable 4-channel Amplifier - 125 RMS X 4 at 4-Ohms

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Polk PA D4000.4 Super Efficient Class-D bridgeable 4-channel Amplifier - 125 RMS X 4 at 4-Ohms

The PA D4000.4 amplifier is capable of bridging two full-range channels into a single full range channel with higher output power. For instance, one front and one rear channel will increase the output power from 125W per channel to 400W per channel (for a 4 ohm load). The most common hookups for the PA D4000.4 would be four full-range channels, two full-range channels and a bridged sub, or two bridged subwoofers.

• Low THD, a high signal-to-noise ratio, plus wide bandwidth frequencies make the PA D4000.4 four-channel a superior choice for distortion-free power
• Super-efficient class D design—Runs much cooler than conventional amps
• High-speed MOSFET—Switching power supply
• 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, it won’t corrode in humid environments
• Toroidal transformers help keep the amplifier’s sleek design under 2-inch tall while ensuring plenty of clean, efficient power.

• RMS Power at 4 Ohms: 125 watts x 4
• RMS Power at 2 Ohms: 200 watts x 4
• Bridged 4 Ohms: 400 watts x 2
• CEA-2006 Compliant
• Includes Wired Remote Bass Control
• Input Sensitivity: 200mV - 6V
• Total Harmonic Distortion: Less than 0.1%
• Signal to Noise Ratio: 105dBA
• Fuses: 1 x 40 Amp & 1 x 35 Amp
• Input Voltage: 10-16 Volts
• 4 AWG wire recommended
RMS Power In Watts:
751-1000 Watts
Number Of Channels:
4 Channel
Feature 1:
Frequency Response: 20 Hz-20 kHz
Feature 2:
RMS Power Handling @ 4 Ohms: 125 Watts per channel RMS Power Handling @ 2 Ohms: 200 Watts per channel
Manufacturer SKU:
Feature 3:
Toroidal Transformers
Feature 4:
Nickel-plated wire terminals & RCA connectors
7.5000 lbs