Piezo Electric Crystal Earphone Sensitive High Impedance Ceramic Ear Piece 3.5mm for Transistor Radio / Crystal Radios DIY Electronics Projects 1/8...

Piezo Electric Crystal Earphone Sensitive High Impedance Ceramic Ear Piece 3.5mm for Transistor Radio / Crystal Radios DIY Electronics Projects 1/8 inch Audio Jack Connector Wire Piezoelectric element Brand: ProTechTrader Part Number: Beige-1/8in Plug Type: In Ear Color: (Beige - 3.5mm Headphone Jack) Frequency Response: 8000 hertz Input Impedance: 20000 ohm Connector: 3.5 mm Jack Ear Coupling: In Ear