Buzzer vs speaker | Piezo Transducer | Piezo buzzer - Alan Butcher Components
RS PRO 100dB Through Hole Continuous Internal Piezo Buzzer, 31.25 (Dia.) x 14mm, 5V dc Min, 15V dc Max | RS
Amazon.com: TEHAUX Piezo Speaker- 6PCS SFM- 20- B Mini Active Piezoelectric Buzzer DC 3-24V 85DB Small Enclosed Piezo Electronic Buzzer Alarm with Wires, Black : Electronics