oblong mylar speaker

oblong speaker 1:dimension:30mm 2:4ohm 3:1.5w~2.0w 4:Low distortion,high sound quality,durable,reliable,consistent

oblong speaker

Dimension:20mm35mm *6.7mm

Weight:approx 5.4grams. 

Magnet:materials ND-FE-B  size:12.5*1.5mm

Impedance:8+-15%ohm at 1500Hz/1V

Lower resonant frequency:940Hz+-20%Hz

S.P.L.:99+-3db/1.0 Watt 0.1Meter. Average At1000,1182,1504,2000Hz

Frequency range:600~4,250Hz. Average SPL-10db

Abmormal Sound Test:must be normal tested by 3.46 Volts.Since wave for 50~5kHz

Polarity:diaphragm shall move forward when apply a positive DC

Operating temperature:-25°C~65°C

Storage temperature::-25°C~65°C

oblong mylar speaker