Transforming from 12 to 240V? You need an Inverter. Need 12V from a 24 Volt source?? You need a converter. Just make sure you select a product that has the power capacity to run the device you're trying to use.

Input Voltage: 24V DC
Output Voltage 12V DC
Maximum current output: 6 A
Compact Size 68 x 66 x 44 mm

Designed for use in 24 Volt vehicles. Specifically for the installation 12 Volt single or double DIN headunits. It has both a constant and accessories wire, allowing you to retain AM/FM station memory as well as any saved presets on aftermarket headunits.

suitable to run EITHER a Headunit or a CB Radio