Philips AZ3830 MP3 CD Soundmachine. Audio system: Stereo, RMS rated power: 2x4 W, Sound enhancement: Dynamic Bass Boost. Speakers: Bass Reflex Speaker System, Driver unit: 76.2 " (3"). Supported radio bands: FM MW, Antenna: FM Antenna. Media types supported: WMA-CD MP3-CD CD CD-R CD-RW. Display: LCD