Dayton Audio DAEX58FP Flat Pack 58mm 25W 8-Ohm Exciter (Black)
Dayton Audio's DAEX58FP Flat pack exciter is the perfect choice to turn virtually any solid object into a speaker by vibrating it at speeds of up to 20,000 cycles per second. The DAEX58FP allows for the placement of sound where depth and space is limited.