Harman Kardon AVR 135 6.1 audio/video surround receiver decodes an array of 5.1- and 6.1-channel surround formats, bringing you great sound also delivers very heavy bass and great surround sound. The AVR 135 features a discrete-output amplifier that pumps 6 channels of high-current. The receiver uses state-of-the-art 192 kHz/24-bit audio digital-to-analog converters and a high-power Cirrus 32-bit DSP processor for clear, dynamic presentations from music and movies.