Dimension of the speaker: 36mm

The size of the outer frame: 40x40mm

Normal Impendance: 8Ω±15% at 1KHZ

Sensitivity(S.P.L): 89±3dB

Frequency Range: 400 HZ- 12 KHZ

Rated input: 0.2W

Max. input: 0.3W

Operating Temperature: -20- +60℃