15.4mm Earphone Spekaer Unit 300 OHM 8 -Layer Coil Full Range N52 Aluminum Magnet Earphone Driver Unit.
Diameter: 15.4mm
Rated impedance 300 OHM .
Rated power 0.05 W .
Frequency characteristics :full range .
Coil: 8 layer coil .
Type: Electric type (moving coil type) .
The headphone speaker unit adopts N52 high-performance aluminum-iron-boron magnet. The diaphragm is produced by a Taiwan factory. The membrane material imported from Japan is 12U. A special custom-made 300-ohm ultra-fine 8-layer coil is used. The MX500 headphone unit is designed with black rubber-coated sound-absorbing cotton. The tri-band performance is very good. The high resistance makes it very mellow and full of charm. The 12U makes the vocal sound clearer.
Package: 2pcs .
Instructions for use:
After receiving the horn, first use a multimeter to test the continuity of the unit to ensure that the horn is good. When welding, the unit is marked with positive and negative electrodes, the color is positive welding positive wire, and the non-standard spot welding negative electrode.
Earphone spekaer unit is best not to solder the iron for more than three seconds. If the soldering time is too long, it will easily burn the voice coil lead or directly burn the circuit board, causing the speaker to short circuit and be silent.















Customer –
good drivers that need a lot of tuning but have great mod range details