H2 Audio is a boutique pro audio manufacturer dedicated to bringing the legendary sound of classic Helios recording consoles into modern studios with uncompromising authenticity, craftsmanship, and analog character. Founded by Grammy-winning producer Al Sutton alongside a team of engineers and audio innovators, H2 Audio meticulously recreates the iconic Helios microphone preamps, EQs, compressors, and recording consoles that helped define legendary recordings from artists like Led Zeppelin, The Rolling Stones, Black Sabbath, and David Bowie. Hand-assembled in Detroit with custom transformers, vintage-inspired circuits, and a “100% analog” philosophy, H2 Audio gear delivers the rich warmth, musicality, depth, and punch that engineers and producers crave from classic British recording equipment. From 500 Series modules and rackmount channel strips to full Helios-inspired consoles, H2 Audio combines timeless analog tone with modern studio reliability and workflow flexibility, giving today’s musicians, producers, and recording engineers access to one of the most celebrated sonic signatures in recording history.