Each hardware device sends signals and/or messages to devices beyond Bitwig Studio (such as hardware synthesizers and effect units). This can include transmitting and/or receiving audio signals, control voltage (CV) signals, and clock messages.

HW Clock Out

Two paths for CV clock signal output, to be sent thru set ports of your audio interface. Each path can transmit Clock signals at a set interval, a signal only at transport start (Play mode), a signal only at transport Stop, or a signal for every Note received.

HW CV Instrument

A router that sends the incoming note messages out of the system as CV signals. One path is used for Pitch CV Out, and one is used for Gate Out triggers. Audio In is then returned to the system and output from this device.


A vehicle for sending a CV signal out a set port of your audio interface via a parameter knob. An AC switch is provided, as is a low-pass filter control for applying lag to the outgoing signal.


A router that sends the incoming stereo audio signal out of the track and system, and then returns another stereo signal back.

HW Instrument

A router that sends the incoming note signals out of Bitwig Studio as MIDI, and then returns the resultant audio.

For note and MIDI output, settings include the MIDI output port to use as well as whether to send all messages on a single MIDI channel or to preserve Same Ch.(annel) set for each per note/event in Bitwig Studio. A special Use MPE option can be used instead, converting note expressions (see Expressions Section) to appropriate channel voice messages, dynamically allocating channels as necessary, and providing a pitch-bend range parameter. And a toggle is available in case you want to send MIDI Clock messages to this MIDI port.

The audio return section includes the audio input to use, a gain level applied to that signal, and a latency offset amount that is set in samples (negative settings adjust the audio to be earlier).

Like most instruments, nested device chains for Note FX and audio FX are provided.

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