Polk Audio SWA500 Dedicated Digital Power Amplifier for CSW Series Built-in Subwoofers, 500 W Continuous Average Output, 4 ohm Impedance

The combination of class A/B and class D amplifiers in the Polk Audio SWA500 provides high-fidelity sound with energy efficiency. This results in high power, cool operation, precise audio definition, and minimal distortion.

SPEx (Subwoofer Parametric Equalization) cards are preprogrammed with equalization, infrasonic filter characteristics, and power output settings optimized for specific subwoofer models. They ensure each subwoofer is driven to its full potential for an unparalleled listening experience.

The Polk Audio SWA500 is specifically designed for CSW Series built-in subwoofers. Its use of SPEx cards allows for custom settings and power control circuitry adapted to the unique requirements of each subwoofer in this series.

The Polk Audio SWA500 delivers a robust 500 watts of continuous average output at 4 ohm impedance.

The Polk Audio SWA500 ensures cool, reliable operation with its advanced technology and design. The use of SPEx cards also contributes to reliability by providing custom power control circuitry tailored to each subwoofer's requirements.