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OBO Piezeelectric Buzzer
Piezo Speaker & Ringer

Obo Pro 2  logo
Model No.   Min. SPL@ Resonant
Frequency @10cm
Dimension
D(Φ)*H(mm)
*Self Drive type Min. SPL@ Resonant Frequency @10cm Dimension
D(Φ)*H(mm)
OBO-RW220334 OBO-RW220334 300 ~3,400Hz
Ceramic Speaker
22.4 *3.4 OBO-20335/20336 83db at 3.4±0.5Khz/9VDC 23.7 *11.0
OBO-33214PB OBO-33214PB 85db at
1.4Khz/9Vp-p Square Wave
33.0 *14.0 OBO-27335 85db at 3.5±0.5Khz/9VDC 29.5 *10.0
OBO-35T2 OBO-35T2 80db at
1.2Khz/9Vp-p Square Wave
34.5 * 9.0 OBO-27336 85db at 3.5±0.5Khz/9VDC 29.5 *10.0
OBO-50240 OBO-50240 80db at
700Hz/9Vp-p Square Wave
50.0 *2.0 OBO-30325 80db at 2.5±0.5Khz/9VDC 30.5 * 7.7
        OBO-35332 88db at 3.2±0.5Khz/9VDC 39.0 *16.5