Skip to content

Polk Audio SWA500 Power Amplifier for Polk CSW In-Floor Subwoofers

UPC: 47192111954
Call for Availability


Product Qualifies for FREE Ground Shipping

Polk Audio SWA500 Power Amplifier for Polk CSW In-Floor Subwoofers

Bass Performance that's Out of Sight

The BASH amplifier combines the fidelity of conventional class A/B amplifiers with the efficiency of class D amplifiers. The bottom line is high power, and cool, reliable operation with precise definition and low distortion. Plug-in data cards for each subwoofer, called SPEX cards, preprogram equalization, infrasonic filter characteristics and power output that best matches the subwoofer being used. Each SPEX card also custom install subwoofers/amp has specific power control circuitry tailored to each subwoofer s requirements for an even greater level of reliability.

SWA500 Features:

Class D digital design delivers huge power and runs cool for superb long-term reliability

500 Watts into 4 Ohms at <0.01% THD

Powers up to two CSW subs of the same model

Front panel low pass filter and level adjustment knobs make "tweaking" a snap.

Plug in SPEX circuit cards (supplied) optimize the amplifier to match the specific subwoofer model being used

Custom frequency shaping (programmed into SPEX card) for the deepest, most accurate bass performance

All Polk products are made using the best materials and the most advanced manufacturing techniques. They pass the industry s most exhaustive quality tests, including drop testing, extreme signal response and UV & salt exposure testing. Polk loudspeakers are built to perform for a lifetime.

**The Innovations Design and Engineering Award is based upon descriptive materials submitted to the judges. CEA did not verify the accuracy of any submission or of any claims made and did not test the item to which the award was given.


  • 500 watts (mono) RMS into 4 ohms at <0.01% THD

  • Frequency response 15-200 Hz (-3 dB)

  • Class D digital amplifier design

  • Continuously variable 40-120 Hz low-pass crossover

  • Includes custom sound-shaping circuit cards for CSW100, CSW200 and CSW155 subwoofers

  • Speaker-level and line-level inputs and outputs

  • Unfiltered LFE (Low Frequency Effects) input for connection to a home theater receiver's subwoofer output

  • 17"W x 4-1/16"H x 14-15/16"D

  • Manufacturer's 3 Year Warranty