* Product FeaturesHigh Fashionable Jersey & Metal Grille !! Compatible with all Leading Personal and Micro Computers !!!* SpeciticationsOUTPUT POWER .........280 WATTS FREQUENCY RESPONSE ....20Hz ~20KHz DRIVE UNIT ...4 Inch woofer 2 Inch tw DRIVE IMPEDANCE..................4Ohm DIMENSION(WxDxH)mm........152x177x277 1) DELIVERS HIGH FIDELITY AUDIO REPRODUCTION 2) 3-D SURROUND CIRCUIT WITH HIGH POWER INTERNAL AMPLIFIER 3) MAGNETICALLY SHIELDED ENCLOSURE * Techonlogy & CertificationQ,UL,CSA,CUL,CE APPROVAL CERTIFIED 2 YEARS WARRANTY * Countries Exported ToWORLD WIDE* Sales InformationTEL) 82-343-423-0525 FAX) 82-343-424-5602 HQLAB@chollian.net * Additional Information< ACCESORIES > SPEAKER SYSTEM 1SET AC/DC ADAPTOR 1EA AUDIO CABLE 1EA INSTRUCTION MANUAL & WARRANTY CARD 1PC