Glensound BELLA 22/R Rack Mount 22 Channel Audio Monitoring Unit - RavennaConfidence Monitor. 20 Network AoIP audio inputs, 2 analogue audio inputs, Ravenna AES67 compliant, 32 Network AoIP outputs, 3 analogue audio outputs, 1 x AES3 audio output, 10 input level controls, Input select switches, Output routing switches 32 Audio channels, 2 Preset mix groups available Dante AES67 network audio Each input has a signal present indicator, Adjustable inout gain levels 1U 19" Rack mount.