5.1 tower home theater speaker multimedia speaker Wooden whole set elegant looking With remote control Good sound system Hot 5.1 tower home theater speakerFrequency Response Subwoofer 30HZ-150HZ Satellite 150HZ-20KHZFunction: USB, SD/MMC,LINE IN, FM, VOL, Bass, Input switch, Standby, Remote, LED DisplayAlternative function: MP4, MP5, NES 8 bit game, KARAOKE output power50w+20w*5driver units8inch* ...