Fully-adjustable add-on Second tier for WS/421 Keyboard stand.
These tiers can be quickly set at either one of 5 height positions, 4 angle positions and feature adjustable depth to accommodate virtually any size keyboard and controller up to 40 cm deep, as well as drum machines and sound modul.
WS/422 allows to install QLX/4 mic boom or QLX/5 sheet music holder on WS/421 stand.