Cambridge SoundWorks MegaWorks 213 Amplified Multimedia/Computer Speaker System Cambridge SoundWorks BassCube 821 8" powered subwoofer, capable of producing solid bass down to 35Hz 3-channel B.A.S.H. digital hybrid amplifier, which delivers a solid 150 watts of power to the subwoofer Compact but Powerful Newton Series MC300 two-way main speakers Speaker Warranty - 10 years/Subwoofer Warranty - 1 year