EI-41 Silicon Steel Core Power Transformer with 12V-0-12V 24V AC Output and Pure Copper Wire Winding for Audio Equipment
ZXY EI-4120W-5409 110V/220V to 12V-0-12V 24V 250mA Step Down Power Transformer for Speaker
ZXY EI‑4120W‑5409 Step‑Down Power Transformer is a reliable EI‑core mains power transformer specially built for speaker and audio‑related electronic equipment. It accepts dual‑range 110V / 220V AC input and delivers multi‑output AC of 12V‑0‑12V and 24V with rated current 250mA, perfectly meeting power supply demands for audio amplifiers, speaker systems and other consumer electronics circuits.
Crafted with high‑grade laminated silicon steel core and pure copper winding, this EI‑4120W‑5409 transformer features low core loss, low working temperature and minimal hum noise, ensuring stable voltage output for audio devices and avoiding unwanted buzz interference during speaker operation. Built‑in electrical isolation enhances circuit safety, protecting your speaker hardware from mains surge and ground‑loop disturbance.
- Dual‑voltage input: 110V / 220V AC compatible for global mains supply
- Multi‑channel AC output: 12V‑0‑12V & 24V, rated 250mA for speaker power circuits
- High‑quality silicon‑steel EI‑core, low loss, low temperature rise, low hum noise for clean audio performance
- Pure copper wire winding, stable voltage conversion, long‑term continuous working reliability
- Effective electrical isolation, prevents power surge and ground‑loop noise for speaker systems
- Compact EI‑41 form factor, easy installation inside speaker cabinet and electronic enclosures
- RoHS compliant, strict mass‑production testing; custom winding, pin layout available for OEM orders
- Ideal power transformer for active speakers, audio amplifiers and related electronic equipment
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