The US4 is a four-keyboard stack constructed as a single unit, a higher spec version of the M-Series equivalent (MS2 + MS4B).  Because it is based on the Behringer UMX610, it has the advantage over the M-series equivalent of neater "diving board" white keys. This allows the keyboards to be nested closer together, in accordance with normal organ building practice, reducing the stretch when playing on the higher keyboards (all the more noticeable when there are four keyboards).There is currently less difference in touch between the two types of stack than there was in the past. In any case, touch is a highly subjective matter, so if in doubt, the best policy is to try both types of keyboard before deciding. The other main advantage of the US4 over the MS option is that the pistons are better quality and larger, and the cheeks are wider and profiled. . The US4 is also available without cheeks, please contact us for price.

The stack plugs directly into the USB ports of your computer, or a USB hub. Use the stack on its own, or combined with a MIDI pedalboard. Can be placed on a table, desk or other convenient surface, or built into an existing console.

The stack is guaranteed for one year.  See Our Selling Policy for the terms of our guarantee.

Features at a glance
* four full-size 61 note keyboards
* 8 pistons per keyboard arranged in groups of four
* semi-weighted touch
* substantial bolted MDF chassis - no wobble!
* requires no external power supply and no batteries (draws power from USB connections)
* requires no MIDI-to-USB converter
* non-scratch feet (which may be removed if stack is to be bolted down)
* option to add music stand
* finished in black  (goes with anything!) Other colours are available
* fully compatible with Hauptwerk
* a generic pdf User Guide is available from our Downloads page
* needs 5 available USB ports

Pistons
The 32  pistons can be configured to do almost anything in Hauptwerk. Most obviously they can be used as combination pistons, but they can also carry out menu commands. Particularly useful ones are to advance the registration sequencer, or to start and stop the built-in recording. The pistons are not numbered, but they are grouped into fours for ease of identification.

 MIDI output channel
MIDI output is on channel 1 for all keyboards and pistons,

Physical dimensions
Width    906mm
Depth    590mm
Height (with rubber feet)    360mm
Height (without rubber feet)    350mm
Weight    31kg

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£1534

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