1.2012 new acoustic professional speakers 2.OEM design 3.MOQ:1000pcs 4.For kind of sound equipment

RB-20032F-020AR

magnetic speaker

Size: 20*3.4mm

Impedance: 32± 15% ohm    At  1000Hz/1v.

Power Rating: Normal 0.2W.   Maximum 0.3 W.

Output Sound Pressure Level(S.P.L): 

88±3dB/0.2 Watt 0.1Meter.Average At1000,1200,1500,2000Hz.

Frequency Range: F0~20,000Hz.Average SPL-10db.

Distortion: 5% Maximum At 1000Hz.0.2 W.

Abnormal Sound Test: Must Be Normal By 2.7Volts

Polarity:  Diaphragm Shall More Forward When Apply a Positive DC Current To The + or marked Terminal.

Operating Temperature: --20 to +80

Storage Temperature: -20 to +80