[118379] 圧電スピーカー(圧電サウンダ)(22mm)PKM22EPPH4001-B0 ￥65
https://akizukidenshi.com/catalog/g/g118379/

[129392] 半固定ボリューム 1MΩ [105] ￥50
https://akizukidenshi.com/catalog/g/g129392/