40mm Subwoofer Headphone Unit 32ohm Speaker Driver 118db/w Bass Cnc 2pcs

40mm No Grain Headphone Speaker Subwoofer Headset Unit Driver .

Size :40 mm.
Color : Blue .
Rated impedance: 32 OHM.
Rated power : 0.05 (W) .
Sensitivity：118dB /W
Frequency characteristics: bass (low frequency).
Uses: Hi-Fi (Home).
Magnetic circuit form: Tesla Magnetic(internal magnetic).
Composition method: coaxial composite.

40MM headphone speaker unit. Bracket is made of metal CNC engraving machine, polished, polished and oxidized. The magnet is made of Tesla magnet to ensure that the driving energy of the unit is strong enough. Diaphragm is made of composite materials with three different characteristics. The composite unit makes up for The defects of the respective materials retain their own advantages, Headset unit focuses on bass ， subwoofer.

Instructions for use:
1. After receiving the horn, first use a multimeter to test the continuity of the unit to ensure that the horn is good. During welding, the unit is marked with positive and negative poles. The color marked is positive welding positive wire, and the unmarked spot welding negative electrode.

2. The soldering iron should not exceed three seconds when soldering. If the soldering time is too long, it is easy to burn the voice coil lead or directly burn the circuit board, resulting in short circuit of the speaker and silence. Due to damage to the horn after welding, our store is not responsible for return .

Package : 2pcs.