... )Audio modeStereo, dual channel, left and right channelAudio output portRCAData interface RS232CData interfaceUSB interfaceFFT mode1K, 2K, 4K, 8K, 16K, 32KGuard Internal1 ... %Audio output level0~6dBuVAudio amplitude characteristics<±0.5dBVoltage range150~240V DVB-T2 Terrestrial / Mobile Digital TV STB