| # | MPN | Datasheet |
|---|---|---|
| 1 | PKLCS1212E4001-R1 AUDIO PIEZO TRANSDUCER 25V SMD / Audio Buzzer Piezo 75dB Surface Mount Solder Pad T/R |  |
| 2 | PKM13EPYH4000-A0 Audio Indicator and Alerts Sounder Piezo 3Vp-p Solder Through Hole | |
| 3 | PKM22EPPH4007-B0 Audio Sounder Piezo 15Vo-p 1.5Vo-p 85dB Through Hole Pin Bulk | |
| 4 | CMS-30205-158L120-67 30 x 20 mm, Rectangular, 1.5 W, 8 Ohm, Neodymium Magnet, PEN Cone, Wire Leads with Connector, IP67, Speaker | |