Here's What 2HP Say About the AVert: AVert is a dual attenuverter. Each channel offers the ability to attenuate and invert any input signal. The signal present at channel 1 is normalled to channel 2, allowing for two unique output signals from a single input. Get Inverted. Features Dual attenuverter Attenuates and/or inverts any input signal Normalling behavior offers two unique outputs for a single input Center detented pots provide tactile feedback for 0V Depth: 45mm