Mallory Sonalert Products, Inc. PT-2725WQ
Cirrus Logic CS497014-CVZ
Cirrus Logic WM8860GEFL/RV
Schurter 4831.1200
Schurter 4832.1310
Schurter 4832.2220
Schurter 4832.2300
Schurter 4833.1300
Schurter 4832.2320
Silicon Laboratories (Silicon Labs) CP2114-B02-GM