Alarms, Buzzers, and Sirens

Browse available Alarms, Buzzers, and Sirens components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Driver Circuitry	Input Type	Voltage - Rated	Voltage Range	Frequency	Technology	Operating Mode	Duration	Sound Pressure Level (SPL)	Current - Supply	Port Location	Operating Temperature	Approval Agency	Ratings	Ingress Protection	Mounting Type	Termination	Size / Dimension
KBS-20DB-2P-10 BUZZER PIEZO 10V26.7X23MM TH KYOCERA AVX	3,782	-	RFQ	Datasheet	KBS, Kyocera	Bulk	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	10 V	-	2.048kHz	Piezo	Single Tone	-	75dB @ 10V, 30cm	-	Top	-	-	-	-	Through Hole	PC Pins	1.051" L x 0.906" W (26.70mm x 23.00mm)
KBS-20DB-2P-9 BUZZER PIEZO 10V26.7X23MM TH KYOCERA AVX	3,004	-	RFQ	Datasheet	KBS, Kyocera	Bulk	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	10 V	-	2.048kHz	Piezo	Single Tone	-	75dB @ 10V, 30cm	-	Top	-	-	-	-	Through Hole	PC Pins	1.051" L x 0.906" W (26.70mm x 23.00mm)
KBS-20DB-4A-22 BUZZER PIEZO 10V 23.00MM FLANGE KYOCERA AVX	2,672	-	RFQ	Datasheet	KBS, Kyocera	Bulk	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	10 V	-	4kHz	Piezo	Single Tone	-	70dB @ 10V, 30cm	-	Top	-	-	-	-	Panel Mount, Flange	Wire Leads	0.906" Dia (23.00mm)
KBS-20DB-4P-0 BUZZER PIEZO 10V 22.00MM TH KYOCERA AVX	0	-	RFQ	Datasheet	KBS, Kyocera	Bulk	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	10 V	-	4.096kHz	Piezo	Single Tone	-	77dB @ 10V, 30cm	-	Top	-	-	-	-	Through Hole	PC Pins	0.866" Dia (22.00mm)
KBS-20DB-5A BUZZER PIEZO 10V 23.00MM FLANGE KYOCERA AVX	0	-	RFQ	Datasheet	KBS, Kyocera	Bulk	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	10 V	-	5kHz	Piezo	Single Tone	-	75dB @ 10V, 30cm	-	Top	-	-	-	-	Panel Mount, Flange	Wire Leads	0.906" Dia (23.00mm)
KBS-27DB-3A BUZZER PIEZO 10V 30.00MM FLANGE KYOCERA AVX	0	-	RFQ	Datasheet	KBS, Kyocera	Bulk	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	10 V	-	3kHz	Piezo	Single Tone	-	75dB @ 10V, 30cm	-	Top	-	-	-	-	Panel Mount, Flange	Wire Leads	1.181" Dia (30.00mm)
KBS-27DB-3T BUZZER PIEZO 10V 29.00MM TH KYOCERA AVX	1,983	-	RFQ	Datasheet	KBS, Kyocera	Bulk	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	10 V	-	3kHz	Piezo	Single Tone	-	75dB @ 10V, 30cm	-	Top	-	-	-	-	Through Hole	PC Pins	1.142" Dia (29.00mm)
KBS-30DB-1A-20 BUZZER PIEZO 20V 39.00MM FLANGE KYOCERA AVX	1,997	-	RFQ	Datasheet	KBS, Kyocera	Bulk	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	20 V	-	1.25kHz	Piezo	Single Tone	-	70dB @ 20V, 30cm	-	Top	-	-	-	-	Panel Mount, Flange	Wire Leads	1.535" Dia (39.00mm)
AI-4228-P-C250-R BUZZER PIEZO 220V 42.5MM PNL MNT PUI Audio, Inc.	3,037	-	RFQ	Datasheet	AI	Bulk	Obsolete	Indicator, Internally Driven	AC, DC	220 V	60 ~ 250V	2.8kHz	Piezo	Single Tone	-	94dB @ 18V, 10cm	18mA	Top	-30°C ~ 85°C	cUL, UL	-	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.256" (6.50mm)	1.673" Dia (42.50mm)
AI-4228-P-C28D-R BUZZER PIEZO 12V 42.5MM PNL MNT PUI Audio, Inc.	4,195	-	RFQ	Datasheet	AI	Bulk	Obsolete	Indicator, Internally Driven	DC	12 V	6 ~ 28V	2.8kHz	Piezo	Single Tone	-	90dB @ 12V, 10cm	10mA	Top	-30°C ~ 85°C	cUL, UL	-	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.256" (6.50mm)	1.673" Dia (42.50mm)
AI-4228-P-FP120-R BUZZER PIEZO 110V 42.5MM PNL MNT PUI Audio, Inc.	2,862	-	RFQ	Datasheet	AI	Bulk	Obsolete	Indicator, Internally Driven	DC	110 V	30 ~ 120V	2.8kHz	Piezo	Pulse, Fast	3 PPS	92dB @ 110V, 10cm	20mA	Top	-30°C ~ 85°C	cUL, UL	-	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.256" (6.50mm)	1.673" Dia (42.50mm)
AI-4228-P-SP28D-R BUZZER PIEZO 12V 42.5MM PNL MNT PUI Audio, Inc.	4,726	-	RFQ	Datasheet	AI	Bulk	Obsolete	Indicator, Internally Driven	DC	12 V	6 ~ 28V	2.8kHz	Piezo	Pulse, Slow	1.2 PPS	90dB @ 12V, 10cm	10mA	Top	-30°C ~ 85°C	cUL, UL	-	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.256" (6.50mm)	1.673" Dia (42.50mm)
AI-4228-P-SP28-R BUZZER PIEZO 12V 42.5MM PNL MNT PUI Audio, Inc.	2,045	-	RFQ	Datasheet	AI	Bulk	Obsolete	Indicator, Internally Driven	DC	12 V	6 ~ 28V	2.8kHz	Piezo	Pulse, Slow	1.2 PPS	88dB @ 12V, 10cm	6mA	Top	-30°C ~ 85°C	cUL, UL	-	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.256" (6.50mm)	1.673" Dia (42.50mm)
AI-1450-TW-LW80-WP-R BUZZER PIEZO 12V 14MM CUSTOM PUI Audio, Inc.	3,048	-	RFQ	Datasheet	AI	Bulk	Obsolete	Indicator, Internally Driven	DC	12 V	9 ~ 16V	5kHz	Piezo	Single Tone	-	90dB @ 12V, 10cm	35mA	Top	-30°C ~ 85°C	-	-	-	Custom	Wire Leads	0.551" Dia (14.00mm)
AT-2235-TT-R BUZZER PIEZO 3V 20.4MM TH PUI Audio, Inc.	4,105	-	RFQ	Datasheet	AT	Tray	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	3 V	1 ~ 30V	3.5kHz	Piezo	Single Tone	-	75dB @ 3V, 10cm	3mA	Top	-40°C ~ 90°C	-	-	-	Through Hole	PC Pins	0.803" Dia (20.40mm)
AT-2532-ST-R BUZZER PIEZO 10V 24X10MM TH PUI Audio, Inc.	2,381	-	RFQ	Datasheet	AT	Tray	Obsolete	Transducer, Externally Driven	Peak-Peak Signal	10 V	5 ~ 24V	3.2kHz	Piezo	Single Tone	-	90dB @ 10V, 10cm	10mA	Side	-30°C ~ 115°C	-	-	-	Through Hole	PC Pins	0.945" L x 0.394" W (24.00mm x 10.00mm)
CS-3224 BUZZER MAGN 24V 22.5X16.7MM TH Same Sky (Formerly CUI Devices)	2,592	-	RFQ	Datasheet	CS	Bulk	Obsolete	Indicator, Internally Driven	DC	24 V	20 ~ 28V	-	Magnetic	Single Tone	-	76dB @ 24V, 30cm	20mA	Top	-20°C ~ 60°C	-	-	-	Through Hole	PC Pins	0.886" L x 0.657" W (22.50mm x 16.70mm)
AI-1027-TWT-12V-R BUZZER MAGNETIC 12V 9.5MM TH PUI Audio, Inc.	4,818	-	RFQ	Datasheet	AI	Tray	Obsolete	Indicator, Internally Driven	DC	12 V	7 ~ 15V	2.7kHz	Electromechanical/Magnetic	Single Tone	-	85dB @ 12V, 10cm	60mA	Top	-20°C ~ 80°C	-	-	-	Through Hole	PC Pins	0.374" Dia (9.50mm)
AI-2304-TF-LW120-R BUZZER MAGN 24V 32X17 FLANG PUI Audio, Inc.	3,314	-	RFQ	Datasheet	AI	Tray	Obsolete	Indicator, Internally Driven	DC	24 V	20 ~ 28V	400Hz	Electromechanical/Magnetic	Single Tone	-	86dB @ 24V, 10cm	24mA	Top	-20°C ~ 60°C	-	-	-	Panel Mount, Flange	Wire Leads	1.260" L x 0.669" W (32.00mm x 17.00mm)
AI-2429-TWT-12V-4-R BUZZER PIEZO 12V 23.8MM TH PUI Audio, Inc.	1,115	-	RFQ	Datasheet	AI	Bulk	Obsolete	Indicator, Internally Driven	DC	12 V	3 ~ 20V	2.9kHz	Piezo	Single Tone	-	95dB @ 12V, 10cm	8mA	Top	-20°C ~ 85°C	-	-	-	Through Hole	PC Pins	0.937" Dia (23.80mm)

Alarms, Buzzers, and Sirens FAQ

What Alarms, Buzzers, and Sirens components can I source from EGOO?

You can browse available Alarms, Buzzers, and Sirens product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete Alarms, Buzzers, and Sirens parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

How do I request pricing and availability?

Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.