Sustain pedal with polarity switching for digital pianos and keyboards. Chromed pedal built in a sturdy plastic case. Connection via 1.5 m cable with 6.3 mm jack connector.
Polarity switching via a two-position switch (N.O. = " + polarity "; N.C. = "- polarity") gives the pedal compatibility with various models of digit. pianos and electric keyboards of many brands.
Its design is similar to the sustain pedal of acoustic pianos.
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