Dayton Audio CE Series CE30MB-16A 1-1/4" Mini Speaker Black 16 Ohm The Commercial Engineering (CE) Series drivers from Dayton Audio provides engineers, designers, and integrators with a line of economical small drivers that fit the diverse range of applications found in consumer electronics and audio-enabled electronic projects. The Dayton Audio CE30MB-16A is a compact, high-efficiency "buzzer-style" mini speaker with a lightweight Mylar diaphragm designed for high output. When minimal drive voltage is available, select this driver for rugged, reliable audio. It’s the perfect choice for instrument panels, security control panels, electronic toys, and portable electronics. Note: The Mylar diaphragm is very fragile. To prevent damage, avoid contact with the diaphragm when handling. This driver should be installed behind a grille.