The Truetone C35 1 Spot 3.5mm Converter is an essential adapter for musicians using compact pedalboards and vintage gear. This passive converter transforms standard 2.1mm barrel connectors into 3.5mm mini-jack outputs, enabling seamless integration between modern power supplies and older or space-constrained equipment. Built with Truetone's reliable construction, the C35 maintains signal integrity while eliminating compatibility headaches. Ideal for gigging musicians, studio setups, and anyone expanding their rig without replacing existing power infrastructure. Compact, durable, and road-tested—a practical solution for connecting legacy gear to contemporary pedalboard ecosystems.