Specifications

Overview

Product Specifications

POWER ADAPTER

Type	AC to DC Power Adapter / Transformer
Output Current	300 mA (0.3A)
Output Voltage	3V, 4.5V, 6V, 9V, or 12V DC
Input Voltage	100-240V AC, 50/60Hz (Universal)
Connector Type	DC Barrel Jack
Polarity	Center Positive / Center Negative
Certifications	CE, RoHS Compliant
Best For	Amplifiers, Audio Mixers, Voice Recorders

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Verified Info: Universal AC/DC power adapter with multi-voltage support and standard barrel jack for electronic devices.

Product Details

300mA Transformer Power Adapter

Complete Guide & Specifications

ADAPTER

This 300mA Transformer (Power Adapter) is designed specifically to power Copy Amplifiers and similar audio devices. It converts AC mains voltage to a stable low-voltage DC output, ensuring noise-free operation and reliable power delivery for voice recording or amplification systems.

Reliable Power for Your Copy Amplifier

The 300mA Transformer is the essential replacement or spare power supply for copy amplifiers. Unlike general-purpose adapters, this unit is selected to match the specific voltage and current draw of amplification circuits, preventing overheating or under-powering that leads to sound distortion.

Why Choose this 300mA Transformer?

Specific Current Rating:

The 300mA output provides exactly the right amount of current. This prevents the "humming" or "buzzing" noise often introduced by generic, higher-rated power supplies into sensitive audio circuits.

Stable Audio Performance:

Designed to filter line noise, this transformer ensures that your copy amplifier captures or reproduces sound clearly without mains interference.

Plug-and-Play:

Features a standard DC barrel jack, allowing for a secure connection to most standard copy amplifier units.

Safety Protection:

Over-voltage and short-circuit protection mechanisms safeguard both the transformer and your expensive audio equipment.

Note:

Before purchasing, please verify the required Output Voltage (e.g., 9V or 12V) and Polarity (Center Positive/Negative) printed on your old adapter or amplifier body, as 300mA versions exist in multiple voltage configurations.

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Shop for 300mA Transformer designed for Copy Amplifiers. Provides stable, noise-free power. Check voltage requirements (3V-12V). Reliable replacement adapter.