Input Impedance: 5KOhm Input Sensitivity: Auto-Intelligent Sensitivity Adjustment Input Port: 3.5mm Stereo input plug. Frequency Response: 75Hz-20kHz Bass driver unit: 2" woofer with heat treated paper voice coil , 4Ohm, Magnetically Shielded Midrange/High Frequency Driver: 1.5" M.F./ H.F. with heat treated paper voice coil , 4Ohm, Magnetically Shielded Dimensions Subwoofer: 260 (W)×84 (H)× 59 (D) mm Satellite: 57 (W) × 63(H) × 57(D) mm Weight: Approx1.4 Kg Power Requirement: DC 12 Volts AC Power Adapter: 220V-240V ~, 50/60Hz (for ModelEuropean/ China/Korea/South America, etc.) 100V-120V ~, 50/60Hz (for Model USA/Canada/Japan ) To Use with: Laptop, Mobile and Multimedia Computer (2 channel Sound Card), CD player, Discman, MP3, etc. English If you have any further questions or concerns regarding Edifier Products please visit our website at: www.edifier.com or email Edifier Support for further assistance at: main@edifier.com If you prefer, you may contact us by phone Toll Free: 1-877-EDIFIER (334-3437)www.edifier.comwww.edifier.com Made in China EDIFIER ENTERPRISES CANADA INC. Copyright 2005 All Rights Reserved. Manual Edition 1.1, Aug. 2005 Printed in CHINA...