... USB flash Drive, SD/MMC Card with MP3 format. 30 frequencies FM/AM channels storage automatically, color LCD display. ... : VHF120Hz-20KHz Output consumption: 80WInput: wire microphone x2, wireless microphone x2, AUX in x2Power supply: AC 110V/220V ... CST2400Frequency response: VHF150Hz-20KHzOutput consumption: 60WInput: wire microphone x2, wireless microphone x1, AUX in x2Power supply: AC 110V/220V or ...