The 1RU AD-200 6 Channel Audio Delay/Mixer with Level Adjustment from Datavideo is an integration of 6 channel audio delay with a matrix mapping function of 4 channel outputs audio mixer. The AD-200 is comprised of two separate parts: the main unit and the control unit. The two parts are 1RU each and can be easily installed on an OB Van or customized rack.The AD-200 support up to 3-sec audio delay adjustment for each input channel. It features 6-CH Audio mixer and matrix router to 4-CH audio outputs. Audio level adjustment of each input.