A large screw on piezo driver with an effective frequency range of 4-29kHz. The driver can be used as a replacement part or in conjunction with horn flares 10, 12 and 15
Frequency range: 4-29kHzThread: 1 3/8"Impedance @ 1kHz: 1000 OhmsImpedance @ 25kHz: about 50 Ohms