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Polk Audio PA1100.5 2000W Max, Class D 5-Channel Car Amplifier

Item #: 81432 Availability: DISCONTINUED
Mfg Part No.: PA11005 Condition: Brand New

Free 2-Year Warranty


For pick-up:   Please give us a call to confirm your order so we can have the product ready for you.

Polk Audio built their reputation by making some of the best speakers in the world. Now, they've extended their engineering expertise to their PA Series car amplifiers. These amps offer outstanding sound quality, high power, and a distinctive, stylish look.

The PA1100.5 5-channel amp delivers 80 watts RMS each to four speakers, plus up to 600 watts RMS to a subwoofer — an all-in-one solution for powering your entire system. You'll find the variable high- and low-pass filters useful for tuning your system for maximum efficiency and sound quality, while the bass boosts on all 5 channels add an incredible amount of low-end punch when you need it.

The monoblock amp section of the PA1100.5 handles loads down to 1 ohm, giving you more flexibility in powering your subwoofer setup. The sub section also includes its own separate gain control, variable low-pass filter, selectable bass boost, and subsonic filter for ultimate low-frequency control.

An optional wired remote control lets you adjust your amp volume from the driver's seat. If you're into the show, a connector provides power for an optional external LED light array and fan, so your amp will run and look cool.


  • Polk Audio PA 11005 5-Channel Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 80 watts x 4 chan. + 280 watts x 1 chan. (@ 4 ohm)
    • 2 ohms: 125 watts x 4 chan. + 600 watts x 1 chan. (@ 1 ohm)
    • Bridged, 4 ohms: 250 watts x 2 chan. + 600 watts x 1 chan. (@ 1 ohm)
  • Max power output: 200 watts x 4 chan. + 1200 watts x 1 chan. (@ 1 ohm)
  • PWM (Pulse Width Modulated) MOSFET power supply
  • Wired remote volume level control included
  • LED power and protection indicators
  • Selectable bass boost (0, +8 dB at 40 Hz)
  • Double-layer fiberglass epoxy printed circuit boards
  • 5/4/3 channel operation
  • Subwoofer channel is externally bridgeable with a PA600.1 for even more power! Bridged power is 1200 watts (2 ohm) RMS and 2400 watts Max power!
  • Connection for optional LED light bar or optional amplifier cooling
  • RCA preamp outputs
  • Power/ground-reversal, thermal, short, current, overdraw, and low impedance protection circuitry
  • Cast aluminum textured end caps
  • Switchable 180° phase inversion
  • Variable input sensitivity optimizes match with different signal sources
  • Unity gain pass-through RCA jacks
  • Mounting hardware with rubber isolation grommets and extra fuses included.
  • Effective Damping Factor: >150
  • Anodized extruded brushed-aluminum cover for maximum heat dissipation
  • Chrome-plated RCA level inputs
  • Chrome-plated screw terminals
  • Variable high-pass filter (50-500 Hz, 12 dB/octave)
  • Variable low-pass filter (50-500 Hz, 12 dB/octave)
  • Subsonic Filter (24 dB at variable frequencies)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-20000 Hz
  • Dimensions: 26-5/16"L x 10-5/16"W x 2-9/16"H
  • 1/0-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
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