Dual Voltage Switching Power Supply Module ±12V/±18V/±24V AC-DC
Dual Voltage Switching Power Supply Module ±12V/±18V/±24V AC-DC
Dual-Voltage Switching Power Supply Module — Model XPJ-41
Power your audio amplifiers and precision electronics with confidence using this compact, high-performance dual-voltage switching power supply board. Designed to convert universal AC mains input (100–264V) into clean, stable dual-rail DC outputs of ±12V, ±18V, or ±24V, the XPJ-41 delivers low-noise, low-interference power that demanding audio and signal-processing circuits require. Made in Mainland China.
Key Features
- Wide AC Input Range: Accepts AC 100–264V at 50/60 Hz — compatible with power outlets worldwide.
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Selectable Dual-Rail Outputs:
- DC ±12V @ 1.5A × 2 (current limiting: 2.4A × 2 max)
- DC ±18V @ 1.2A × 2 (current limiting: 1.6A × 2 max)
- DC ±24V @ 1.0A × 2 (current limiting: 1.5A × 2 max)
- Built-In Protection: Short-circuit and overload protection safeguard your connected equipment and the module itself.
- Low Noise Design: Engineered specifically for power amplifiers and audio equipment — minimizes interference for cleaner signal output.
- Convenient Connectors: Input via VH3.96-3A2 terminal block (reserved 3.96-row pin header); Output via XH2.54-4A terminal block (reserved 2.54-row pin header).
- Rated Capacity: >1000 VA
- Compact Board Form Factor: Easy to integrate into custom enclosures, amplifier builds, or electronics projects.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | XPJ-41 |
| Input Voltage | AC 100–264V, 50/60 Hz |
| Output (±12V) | DC ±12V @ 1.5A × 2, max 2.4A × 2 |
| Output (±18V) | DC ±18V @ 1.2A × 2, max 1.6A × 2 |
| Output (±24V) | DC ±24V @ 1.0A × 2, max 1.5A × 2 |
| Input Connector | VH3.96-3A2 terminal block + 3.96 pin header |
| Output Connector | XH2.54-4A terminal block + 2.54 pin header |
| Protection | Short circuit & overload |
| EU LVD Classification | Low voltage: Below 50 Vac or 75 Vdc output |
| Country of Origin | Mainland China |
Ideal Applications
This module is purpose-built for power amplifiers, preamplifiers, Hi-Fi audio equipment, operational amplifier circuits, and other electronics requiring a stable, balanced dual-rail DC supply. Its low-noise switching design makes it a preferred choice for audio-grade builds where power quality directly impacts performance.
Important Notes
- Due to monitor color settings, the actual product color may vary slightly from images shown.
- Please allow 1 mm–1 cm dimensional tolerance due to manual measurement.
What's in the Box
- 1 × Dual-Voltage Switching Power Supply Module (XPJ-41)
For guidance on safe handling of electrical components and power supplies, refer to the OSHA Electrical Safety Standards.
Frequently Asked Questions
Q: What output voltages does this dual-voltage switching power supply module support?
A: The XPJ-41 module supports three dual-rail DC output options: ±12V at 1.5A, ±18V at 1.2A, and ±24V at 1.0A (per rail). You select the output version that matches your circuit's requirements at the time of purchase.
Q: Is this switching power supply module suitable for audio amplifier projects?
A: Yes — the XPJ-41 is specifically designed for power amplifiers and audio equipment. Its low-noise, low-interference switching topology helps maintain clean dual-rail DC power, which is essential for high-quality audio signal processing and amplification circuits.
Q: What input voltage range does the module accept, and is it compatible with international AC mains?
A: The module accepts a wide AC input range of 100–264V at 50/60 Hz, making it compatible with standard wall outlets in North America, Europe, Asia, and most other regions worldwide — no external voltage converter needed.
Q: Does this power supply board include short-circuit and overload protection?
A: Yes. The XPJ-41 includes built-in short-circuit and overload protection on both output rails, helping protect your connected electronics and the module itself in the event of a fault condition.