POLK 4 CHANNEL AMPLIFIER

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Polk 4 Channel Amplifier

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This is How You Build a Really Cool Amplifier

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.

Features:

  • Super-efficient 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-inch 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 and will not corrode in humid environments.
Technical Specifications
Audio
Amplifier Power Specs RMS Power at 14.4V Watts per channel bridged - 4 ohms 400 watts
Amplifier Power Specs RMS Power at 14.4V Watts per channel NOT bridged @ 1 kHz - 2 ohms 200 watts
Amplifier Power Specs RMS Power at 14.4V Watts per channel NOT bridged @ 1 kHz - 4 ohms 125 watts
Amplifier Specs - 12V & Ground Cable Gauge 4AWG
Amplifier Specs - Channel Notes Bridgeable Class D MOSFET
Amplifier Specs - Channels 4
Dimensions - Product Weight (each) 5.0 lbs. pounds
Dimensions Cabinet Dimensions - Depth 6 3/4 (17.14cm) "
Dimensions Cabinet Dimensions - Height 1 13/16 (4.60cm) "
Dimensions Cabinet Dimensions - Width 10 15/16 (27.78cm) "
Dimensions Without Panels - Depth 6 3/4 (17.14cm) "
Dimensions Without Panels - Height 1 13/16 (4.60cm) "
Dimensions Without Panels - Width 10 15/16 (27.78cm) "
Electrical - Distortion at Rated Power <0.1 %
Electrical - Effective Damping Factor >100
Electrical - Max Sensitivity 200mV-6V dB
Electrical - Minimum Impedance Bridged 4 ohms
Electrical - Minimum Impedance Not Bridged 2 ohms
Electrical - Protection Circuitry Thermal, DC offset, reverse DC voltage and short circuit; fuses: one 40 Amp and one 35 Amp ATC
Electrical - Signal-to-noise (Referenced to rated power) 105 dBA
Electrical - Total Frequency Response 20Hz-20kHz
Electrical High Pass Filter - Filter Frequency 20Hz-4kHz (front)/20Hz-4kHz(rear)
Electrical High Pass Filter - Filter Slope 12dB/octave
Electrical Low Pass Filter - Filter Frequency 50Hz-5kHz(front)/50Hz-5kHz(rear)
Electrical Low Pass Filter - Filter Slope 12dB/octave

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