Description
Protect Your Retro Hardware with an Inline DC Power Switch
Stop stressing the internal power sockets of your classic computers. The Inline DC Power Switch (5.5mm x 2.1mm) is the perfect solution for adding a physical on/off toggle to any device using a standard DC barrel jack. Constant plugging and unplugging can lead to cracked solder joints and motherboard damage—this simple extension cable takes the strain instead.
Key Features & Compatibility
- Standard Fit: Features the universal 5.5mm x 2.1mm male-to-female barrel connectors.
- Plug & Play: No soldering or technical knowledge required. Simply sit it between your power supply and the device.
- Durable Toggle: High-quality rocker switch with a tactile “click” for reliable power control.
- Retro Ready: Ideal for the Amstrad CPC 464/6128, ZX Spectrum (NOT +2 / +3), and various Commodore peripherals.
- Multi-Purpose: Also works perfectly with LED light strips, CCTV cameras, monitors, and Arduino projects.
Technical Specifications
- Connector Size: 5.5mm (Outer) x 2.1mm (Inner)
- Type: DC Barrel Jack Extension with Rocker Switch
- Voltage Support: Compatible with 5V, 9V, and 12V DC power supplies.
Colour: Black to match your existing cables.

