The AT-2220-1 replaces the AT-2220. the new version features increased dB. The AT-2220-1 features 88 dB minimum at 10 cm. Resonant frequency is 2048 Hz. Rated voltage is 1 Vp-p. The transducer measures 23 mm in diameter and 9.0 mm in height. The case is manufactured from ABS black with pins for PCB mounting.
www.projectsunlimited.com; (937) 918-2220