1.5 -inch 40 mm 8 o 3 w neodymium all frequency horn bottom of PP basin PU DIY television advertising machine sound Double magnetic neodymium, 16 voice coil PU side PP basin of a pot. Alt is ringing is exquisite, the bass elasticity.
The loudspeaker diameter : 40 mm
Height:20 mm
Ears mounting holes from 45 to 50 mm
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