No.

Item

Unit

Specification

Condition

1

Dimension

mm

External diamete28 mm

See appearance drawing

2

Sound Pressure Level

dB

97±3dB

at AVE 0.8K,1.0K,1.2K，1.5HHZ

3

Power Rating

W

1.0

MAX. 1.5

4

Impedance

ohm

8±15%

at 1.0KHz

5

Resonance Frequency

Hz

650±20%

6

Frequency Rang

Hz

Fo～5K

Output S.P.L. ±10dB

7

Buzze & Rattle

Should not be audible at 2.83V sine Wave between Fo to 20KHz

8

Distortion

%

Max 8  

at 1 KHz,1.0W.

9

Housing Material

Metal

10

Weight (MAX)

gram

7.0±0.3

11

Operating Temperature

℃

-20 ~ +60

12

Storage Temperature

℃

-30 ~ +70

13

Environmental  

Protection Regulation

 RoHS