This bridgeable Polk Audio PA D4000.4 amplifier features toroidal transformers to promote clean, efficient power while maintaining a compact design. The nickel-plated wire terminals and RCA connectors promote efficient signal transfer.
This Polk Audio OMNI A1 2.0-channel wireless amplifier features 3.5mm auxiliary, analog RCA, optical digital and phono inputs for use with a wide range of audio sources. Access Pandora, Spotify and more by connecting to your home Wi-Fi network.
The SWA500 is custom engineered to power Polk Audio's CSW Series of built-in subwoofers to rafter-shaking, distortion-free levels. Class D digital design delivers huge power and runs cool for superb long-term reliability.