2-1

Rated Input Power.

2.0W

2-2

Max Input Power.

3.0W

2-3

Rated Impedance.

 4Ω ± 15% 

2-4

Sound Pressure Level.

(S.P.L)

83dB(0.1W0./1m) ± 3 dB

 at AVE 0.8K 1.0K 1.2K 1.5K Hz

2-5

Resonance Frequency (Fo).

300±20%Hz

2-6

Frequency Range.

F0~20kHz. 

2-7

Distortion

 Less than 5% at 1KHz input Rated Power

2-8

        Magnet

Rare earth permanent (NdFeB) magnet 8.0*1.2

2-9

Buzz, Rattle, etc.

Should not be audible at 0.632V sine Wave between Fo to 20KHz

2-10

      Polarity

When positive voltage is applied to the terminal marked (+), diaphragm should move to the front.

2-11

Appearance

Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc.

2-12

Weight.

3G

2-13

Temperature

Operating temperature: --25~+60℃

Storage  temperature: -25~+60℃