Insignia NS-STR514 200W Stereo Receiver With Bluetooth 200W total power: 100W x 2 at 8 ohms, 40Hz - 20kHz frequency response for powerful sound Speaker A/B switching: Lets you switch between 2 sets of speakers to expand your listening environment Quick-setup guide: Walks you through the entire setup process for ease of use AM/FM digital tuner: With 30 presets lets you listen to your favorite radio stations Support for Apple iPhone and iPad and Bluetooth-enabled devices: For use with your existing devices