Aopen Soundbox 300 2.1 Speaker System 600 Watts Product Type - Speaker Localization - N/A System Components - 2.1 Speaker System Response Bandwidth - Satellite: 45Hz ~ 20KHz , Subwoofer: 50Hz ~ 20KHz Response Bandwidth - Satellite: 45Hz ~ 20KHz , Subwoofer: 50Hz ~ 20KHz