A statement of design excellence the iF500 is an elegant all-in-one audio system offering. uncompromised audio quality. As an iPod, iPhone or MP3 docking station or when operated in FM radio mode the simplicity of use, design and audio quality of the iF500 makes for an outstanding visual and audio experience. 5 driver sepeaker system incorporates unique vibration and resonance control technolories coupled with low frequency porting and mid-range tuned cavities for smoother cleaner audio. Edifier Patented EIDC (Electrical Intelligent Distortion Control) audio control technology lower distortion output . Power output RMS 32W+10W x 2. %.75" Bass driver and 2.75" Mid-range Driver, Treble unit 2.5", all magnetically shielded. Dimensions 376 x 390 x 240mm ( WxHxD ) W eight 6.1kg. 100~240V full range universal switch-mode power supply.