Koch Amps Dummybox Studio/PA, DI-Box, Dummy-load 60 watts, thru output: speaker output with no volume loss, monitor output: low power speaker output with three selectable levels: 5% (H), 3% (M), 1% (L), XLR output: professional transformer balanced 600 ohms output, with ground lift switch, switch for selecting filtered or unfiltered output signa, voicing switch for selecting the type of speaker cabinet: 1x 12 or 4x 12, voicing switch for selecting microphone placement: axis or off-axis, heavy duty steel housing, maximum load at line output 20 kohms, Dimensions h x w x d: 11 x 18 x 13 cm, weight 0.5 kg