Kalmar "damper piano" tana nufin wani yanki na piano wanda ke da alhakin dakatar da jijjiga igiyar piano lokacin da aka saki maɓalli. Musamman, abin damfara na piano wani ɗan ƙaramin shinge ne wanda aka lulluɓe da shi wanda ke manne da ƙarshen lefa, ko hannu mai ɗanɗano, wanda kuma ke haɗa shi da feda ko maɓalli akan piano. Lokacin da maɓalli ko feda ya raunana, an ɗaga damper daga kirtani, yana ba shi damar girgiza cikin yardar kaina kuma ya samar da sauti. Lokacin da maɓalli ko feda ya fito, damper ɗin ya koma kan igiyar, yana dakatar da jijjiga kuma yana ƙare sauti.