⚡ Power Up Your Projects with Precision! Space-saving dimensions (90x55x32mm) fit seamlessly into any setup. Perfect for tube preamps and Nixie tubes, elevating your audio and visual projects. High-frequency switching ensures minimal audio interference and a pristine signal-to-noise ratio. Fine-tune your filament voltage from 1.25V to 12V for optimal performance. Transform your audio experience with adjustable output from 150V to 420V! Input: 12VDC Size: 90x55x32mm Adjustable: 1.25V-12V The High Voltage DC-DC Boost Converter is a versatile power supply module designed to elevate your audio and visual projects. With adjustable output voltages ranging from 150V to 420V and filament voltages from 1.25V to 12V, this compact unit ensures superior signal integrity and minimal interference, making it ideal for tube preamps and Nixie tubes.