Active buzzers are configured as indicators require only a dc voltage to operate and are limited to a single audio frequency operation. Kailitech active piezo buzzers include dimension range from diameter or length and width from 9.0mm ~ 100mm, height from 1.8mm ～65mm, SPL range from 65dB～ 120dB. Housing material can be ABS, PBT, PPO, LCP, etc., and mounting methods including lead wire type, terminal type, pin type and panel screw terminals.
