Hifi 14.8mm Headphone Speaker Unit Driver 40ohm Bass Subwoofer 2pcs

HiFi 14.8mm earphone speaker unit 40ohm bass subwoofer PU composite titanium film headphone speaker .

Impedance: 40 ohms ±0.15 .
Rated power : 0.005 (W)
Frequency characteristics: bass (low frequency).
Headset Speaker Unit sensitivity: 113±2DB .
Unit distortion: 0.01%.

Size: 14.8MM±0.05 .
Unit cover: 16.35mm±0.02 .
Unit height: plus the full height of the cover 6.8MM±0.2 .
Use for : Repair headphone speaker unit Diy .
Unit tone: mellow, soft, deep bass, transparent vocals, suitable for direct push of popular mobile phones, not suitable for female drugs.

Instructions for use:
It is recommended that customers use a multimeter to test the continuity of the unit after receiving the speaker to ensure that the speaker is in good condition. When welding, the unit is marked with positive and negative electrodes, the marked color is the positive electrode wire, and the unmarked point is the negative electrode. It is best not to exceed three seconds when soldering with a soldering iron. If the soldering time is too long, it is easy to burn the voice coil lead or directly burn the circuit board, causing the speaker to short-circuit and make no sound.

Package ：2 pc.