Drive Unit : 10mm dia

Impedance : 32ohm / 16ohm / 300ohm +/-15% at 1KHz

Mean Sound Pressure Level: 110dB+/-5dB / at 1KHz

(All servey Frequency breadth : from 100Hz to 5KHz

Frequency Range : 20-20KHz

RatedInput Power : 1mW

Max. Input Power: 2Mw

Distortion : within 5% (1mw ,1KHz)

Operation : Should be normal at programmed source 1mw

Buzzs & Rattles: Should be normal at programmed source 1mw

Magnet : Ferrite