Dedicated Digital Power Amplifier for CSW Series Built-In Subwoofers

  • 579.00 Each
  • Free ground shipping on all orders
  • Tech Specs
  • Reviews
  • Q & A
  • Support
Tech Specs


  • Total Pieces


  • Included Accessories
    • (2) SPEX Cards - One for each of the Polk subwoofers this device supports


  • Electronics Warranty
    3 years
  • Original Purchaser Only

Shipping Cartons

  • Carton 1
    17" (43.18 cm) h x 21.5" (54.61 cm) w x 21.5" (54.61 cm) d - 14 lbs (6.35 kg)


  • Total Pieces
  • Orientation
  • Height
    3.5" (8.89 cm)
  • Width
    17" (43.18 cm)
  • Depth
    12.625" (32.07 cm)

Internal Amplifier

  • Power
    500 watts
  • Power - One Channel Driven
    250 watts
  • Power - Two Channel Driven
    500 watts
  • Amplifier Class
    Hybrid Class D


  • Audio Inputs
    • LFE (Unfiltered)
    • Pair (L/R) Analog RCA
  • Speaker Inputs
    (2) Pair of Binding Posts - Gold Plated


  • Audio Outputs
    • Pair (L/R) Analog RCA
  • Speaker Outputs
    (2) Pair of Binding Posts - Gold Plated


  • US Voltage
    120 volts A/C
Q & A

Product Documentation

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 perfromance