PSI Audio is a Swiss brand of precision loudspeakers designed and manufactured by Relec SA in Yverdon-les-Bains, Switzerland. More than 40 years of passion for electroacoustic perfection based on knowledge, experience and unconditional dedication to details has led a full range of outstanding active studio monitors, all designed and handmade in Switzerland. It is no surprise that the most demanding sound engineers rely on PSI Audio in all areas of music production including recording, mixing, mastering, broadcasting and post-production. The list of prestigious references is outstanding. With PSI Audio, you can trust what you hear.