The Pulse Audio PA230WP is a Class D, 60 watts in-wall power amplifier that supports 4 Ohm and 8 Ohm speakers. The PA230WP features two ways of connectivity including a stereo input (3.5mm jack), and Bluetooth 4.2 for wireless connection. Automatically switches sources with the priority for Bluetooth connectivity. For an amplified 2 channel setup that is simple to operate with a clean look, the PA230WP is a great solution for any application.