Piezoelectric Sounders / BuzzersVideo and audio listening comparison

Click the product photos in the figure below to open the playback page for each part number in order to listen and compare the signal tones through video and audio.

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  • *The tones may differ slightly from the actual sounds depending on devices to play.

SMD typeRecommended

These products are well-suited for use as operation confirmation sounds and warning sounds in healthcare, home appliances, OA equipment, security devices, and automobiles.
Murata commercialized SMD-type sounders are compatible with high‐density packaging through the adoption of our unique acoustic design and structural design technologies as well as our high-performance ceramics.

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Product number Appearance Size Frequency Sound Pressure Level Mass
PKMCS0909E4000-R1 9.0×9.0×1.9 mm 4.0kHz 72dB (typ.) 170mg
PKLCS1212E2000-R1 /
PKLCS1212E20A0-R1
(For Automotive)
12.0×12.0×3.0 mm 2.0kHz 76dB (typ.) 350mg
PKLCS1212E4001-R1 /
PKLCS1212E40A1-R1
(For Automotive)
12.0×12.0×3.0 mm 4.0kHz 84dB (typ.) 360mg
PKLCS1212E2400-R1 /
PKLCS1212E24A0-R1
(For Automotive)
12.0×12.0×3.0 mm 2.4kHz 80dB (typ.) 360mg
PKMCS1818E20A0-R1
(For Automotive)
18.0×18.0×8.0 mm 2.0kHz 100dB (typ.) 950mg

Pin type

These products are well-suited for use as operation confirmation sounds and warning sounds in air conditioners, washing machines, refrigerators, and other home appliances.
The tone frequencies come in 2 kHz and 4 kHz variations.

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Product number Appearance Size Frequency Sound Pressure Level Mass
PKM13EPYH4002-B0 φ12.6×6.9 mm 4.0kHz 78dB (typ.) 692.8mg
PKM13EPYH4000-A0 φ12.6×6.9 mm 4.0kHz 78dB (typ.) 799mg
PKHPS0013E4000-A2 φ12.6×9.4 mm 4.0kHz 83dB (typ.) 868.9mg
PKM17EPPH4001-B0 φ17.0×8.2 mm 4.0kHz 79dB (typ.) 1642mg
PKM17EPP-2002-B0 φ17.0×9.8 mm 2.0kHz 79dB (typ.) 1549mg
PKM22EPPH4001-B0 φ22.0×8.2 mm 4.0kHz 87dB (typ.) 2864mg
PKM22EPPH4005-B0 φ22.0×8.2 mm 4.0kHz 86dB (typ.) 2867mg
PKM22EPPH2001-B0 φ22.0×12.0 mm 2.0kHz 79dB (typ.) 3005mg
PKM22EPPH4007-B0 φ22.0×12.0 mm 4.0kHz 92dB (typ.) 3310mg

Comparative figure

Play sound comparison chart