Lee De Forest made the first audio amplifier in 1906. A speaker amplifier is a device used to increase the volume of sound. The applications are various which includes used in public address or concerts. ODM and OEM are both welcomed. Send inquiry now and get more detailed information.

Specifications

W*H*D: 74.5*68*30.2mm   Impedance: 4~8Ω   Rated Power: 3W   S-P-L: 91dB   Freq. Range: 710~10,000Hz                           Cable Length: 30~400CM