Small amp — large power

Polk's PA D2000.2 2-channel amplifier may be small, but it delivers a strong 125 watts RMS per channel, awesome for high-performance speakers or components. Or, you can switch this little beast to 1-channel mode to drive a subwoofer with up to 500 watts RMS. However you use it, this amplifier will fit in almost any location in your vehicle because of its convenient size.

Handsome with a clear voice

Polk developed and employed their full-range Class D amp technology that helps this amp reproduce music very cleanly, with no added coloration or distortion. Adjustable high- and low-pass filters help you to tune your system, keeping bass away from full-range speakers and high notes away from subs. This amp's tough, good-looking stainless steel case won't tarnish, even in the most humid conditions.
 

Product Highlights:

  • 2-channel car amplifier
  • 125 watts RMS x 2 at 4 ohms (250 watts RMS x 2 at 2 ohms)
  • 500 watts RMS x 1 in bridged mode (4-ohm stable in bridged mode)
  • variable high-pass filter (20-4000 Hz, 12 dB per octave)
  • variable low-pass filter (50-5000 Hz, 12 dB per octave)
  • preamp inputs and outputs
  • fuse rating: 25A x 2
  • 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 9"W x 1-13/16"H x 6-3/4"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

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Hands-on research

What's in the box?

Download owner's manual

  • Two channel amplifier
  • Four 25 amp ATO fuses (2 installed/ 2 extra)
  • Four 1" Self-tapping screws
  • 4 Nylon flat washers
  • 3mm Allen wrench
  • 2.5mm Allen wrench
  • Owner's manual (English/ French/ Spanish/ German/ Italian/ Portuguese)
  • On-line product registration information

Product Research

Controls
Connections

Controls

Level Control: The rotary gain control is continuously variable from 200 mV to 6 V.

Crossover Mode Switch: The crossover has three mode options:

  • Full: crossover is bypassed
  • HPF: High Pass Filter
  • BPF: Band Pass Filter, both the high pass and low pass crossovers are engaged, useful for powering midrange speakers, or a subwoofer with the high pass crossover used as a sub-sonic filter

High Pass Crossover Frequency: The high pass crossover point is continuously variable from 20 Hz to 400 Hz, or 200 Hz to 4 kHz, depending on the frequency multiplier switch.

High Pass Frequency Multiplier: This 2-position switch specifies the variable high pass crossover point range; 20 Hz to 400 Hz (x1), or 200 Hz to 4 kHz (x10).

Low Pass Crossover Frequency: The low pass crossover point is continuously variable from 50 Hz to 500 Hz, or 500 Hz to 5 kHz, depending on the frequency multiplier switch.

Low Pass Frequency Multiplier: This 2-position switch specifies the variable low pass crossover point range; 50 Hz to 500 Hz (x1), or 500 Hz to 5 kHz (x10).

Connections

Power/Ground: set screw terminals; accept bare speaker wire up to 4 gauge (4 gauge wire recommended)

Remote Turn-on: set screw terminal; accepts bare speaker wire up to 8 gauge

Speaker Terminals: two pair of set screw terminals; accept bare speaker wire up to 8 gauge

Line Level Input: one pair of nickel-plated stereo RCA jacks

Line Level Output: one pair of nickel-plated stereo RCA jacks; not affected by the built-in crossover

Fuses: two 25-amp ATO fuses

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.