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A mid-range model in the PA series, this amplifier can be used with any automotive speakers.

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The Polk Audio PA500.4 is a 4 channel power amplifier, designed for use with 4 main speakers, one bi-amped component set or 2 main speakers and a subwoofer. A mid-range model in the PA series, this amplifier can be used with any automotive speakers. For a higher end amplifier, look at the PA1200.1 or the PA1100.5. For a lower end model, try the PA400.1. This model is CEA-2006 Compliant, providing accurate power ratings. The PA500.4 comes with mounting hardware, including rubber isolation grommets and extra fuses. Made of anodized extruded brushed-aluminum, it weighs 16 pounds.  The end caps are made of cast aluminum and are removable and the cover plate design hides all the wiring.  The logo is in solid aluminum and comes with cobalt blue back lighting. An optional LED light bar or cooling fan can be installed. The unit comes with RCA outputs for the front channels to daisy chain to other amplifiers, if necessary. A remote control subwoofer level adjuster is included.

Features
  • 14.4 Volts RMS Not Bridged at 1 kHz
    • 4 Ohms = 90 watts x 4
    • 2 Ohms = 125 watts x 4
    • 14.4 Volts Dynamic Not Bridged
    • 2 Ohms = 200 watts x 4
    • 14.4 Volts RMS Bridged
    • 4 Ohms = 250 watts x 2
  • Signal to noise is > 98 dbA
  • Input Sensitivity Range is 250 mV to 7.5 Volts
  • Input Impedance > 20k Ohms
  • Overall Frequency Response (-3 dB Points) is 20 Hz to 250 Hz main channel
  • 2 x 40 amp fuse, power and ground reversal, thermal and short, current overdraw and low impedance protection
  • The unit is 16 lbs and is 2 16/25" high x 18 1/50" wide x 10 1/4" deep or 6.71 cm high x 45.77 cm wide x 26.04 cm deep
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