The Fosi Audio BOX X5 Phono Preamp is compatible with both MM and MC cartridges. It features 4 gain settings and excellent precise RIAA equalization to ensure a clean, direct signal pass-through when paired with your turntable. The high-quality components used in this preamp deliver a warm and inviting sound. The BOX X5 preamplifier is based on a minimalist yet functional design with a full aluminum alloy housing. It includes an easy-to-use one-touch power switch, a gain control, and a convenient toggle switch for switching between MC and MM cartridges. Additionally, the grounding connection ensures a secure and interference-free connection.