| Feature | Specification |
|---|---|
| Type | AC to DC Power Adapter / Transformer |
| Output Current | 300 mA (Milliamps) / 0.3A |
| Output Voltage | 3V, 4.5V, 6V, 9V, or 12V DC (Check your device) |
| Input Voltage | 100-240V AC, 50/60Hz (Universal) |
| Connector Type | DC Barrel Jack (Specific size depends on amplifier) |
| Polarity | Center Positive (Standard) or Center Negative |
| Regulation | Regulated or Unregulated |
| Certification | CE, RoHS |
| Usage | Copy Amplifier, Audio Mixers, Voice Recorders |
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.