<hbox homogeneous="1" spacing="5">
    <vbox>
        <label text="Delay L"/>
        <knob param="s_delay1" ticks="0 1 2 5 10"/>
        <value param="s_delay1"/>
    </vbox>
    <vbox>
        <label text="Gain"/>
        <knob param="s_gain" type="1"/>
        <value param="s_gain"/>
    </vbox>
    <vbox>
        <label text="Delay R"/>
        <knob param="s_delay2" ticks="0 1 2 5 10"/>
        <value param="s_delay2"/>
    </vbox>
    <toggle param="bypass" icon="bypass"/>
</hbox>
