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Polk PA D4000.4

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RRP: $795.00
Our Price: $689.00

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

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