buzzer HOME Products buzzer AT-14 Nominal Size(mm): 14 Impedance(Ω): Input power(W): Response ( fo ): Sound pressure level S.P.L(db/w): More AT-23 Nominal Size(mm): 23 Impedance(Ω): Input power(W): Response ( fo ): Sound pressure level S.P.L(db/w): More T42R-AS1 Nominal Size(mm): 42 Impedance(Ω): Input power(W): Response ( fo ): Sound pressure level S.P.L(db/w): More T488mm-D Nominal Size(mm): 48 Impedance(Ω): Input power(W): Response ( fo ): Sound pressure level S.P.L(db/w): More «1»