| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
| 7BB-27-4L0 | Murata | MURATA 7BB-27-4L0 PIEZO SOUNDER | |
| AS07104PO-WR-R | Projects Unlimited | 4 Ohm 3W Water Resistant Dynamic Speaker, 100Hz-250Hz | |
| MAS800 | Mallory Sonalert | AUDIO PIEZO INDICATOR 9-12V TH | |
 | SMT-1027-S-R | Projects Unlimited | Speakers & Transducers SMD TRANSDUCER 1.5VP-P 80MA |
 | AS07708PS-2-WR-R | Projects Unlimited | 8 Ohm 4W Dynamic Speaker, 90dB, Water Resistant |
 | AS04008PO-2-WR-R | Projects Unlimited | SPEAKER 8OHM 1W TOP PORT 84DB |
| AS04004PO-WR-R | Projects Unlimited | 4 Ohm 4W Water Resistant Dynamic Speaker, 20kHz, 87dB | |
| AS02708CO-WR-R | Projects Unlimited | SPEAKER 8OHM 1W TOP PORT 80DB | |
| SMT-0927-T-R | Projects Unlimited | AUDIO MAGNETIC XDCR 2-4V SMD | |
 | AST-01532MR-R | Projects Unlimited | SPEAKR 32OHM 300MW TOP PORT 87DB |
 | 7BB-27-4 | Murata | MURATA 7BB-27-4 PIEZO, DIAPHRAGM, 4.6KHZ, 27MM |
 | AST-01508MR-R | Projects Unlimited | 15mm Dynamic Speaker 8R 300mW 1.7kHz Top Port |
 | AST-03208MR-R | Projects Unlimited | 8 Ohm 100mW Dynamic Speaker, 31.9mm Round, 82dB, Top Port |
| AS04008PR-WR-R | Projects Unlimited | SPEAKER 8OHM 500MW TOP PORT 92DB | |
 | AT-10Z | Projects Unlimited | Speakers & Transducers EM 85dB 2048H 1.5Vpp |
 | PKM17EPP-2002-B0 | Murata | AUDIO PIEZO TRANSDUCER TH |
| MSR320 | Mallory Sonalert | AUDIO PIEZO INDICATOR 3-20V TH | |
 | AT-02 | Projects Unlimited | Speakers & Transducers EM 85dB 2048H 6Vpp |
| AS07004PO-WR-R | Projects Unlimited | SPEAKER 4OHM 2W TOP PORT 86DB | |
 | MSR516NP | Mallory Sonalert | AUDIO PIEZO INDICATOR 4-14V TH |
