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Pass Lab

Pass Labs, founded by Nelson Pass in 1991, is a high-end audio company based in Auburn, California. Initially operating from his home in Foresthill, Pass developed the Aleph series of Class A amplifiers, known for their distinctive cube design and MOSFET circuitry. The company later introduced the "X" series, utilizing Pass's patented supersymmetry topology for ultra-low distortion. Pass Labs continues to innovate in amplifier design, emphasizing simplicity, high-quality components, and minimalist circuitry.

Pure Sound, Minimalist Design

This reflects Pass Labs’ commitment to delivering audio in its most authentic form. With minimalist circuitry and high-quality components, their amplifiers provide clean, transparent sound, free from unnecessary complexity, allowing listeners to experience music exactly as intended.

Engineering Excellence, Amplified

This reflects Pass Labs’ commitment to delivering audio in its most authentic form. With minimalist circuitry and high-quality components, their amplifiers provide clean, transparent sound, free from unnecessary complexity, allowing listeners to experience music exactly as intended.

Engineering Excellence, Amplified

This reflects Pass Labs’ commitment to delivering audio in its most authentic form. With minimalist circuitry and high-quality components, their amplifiers provide clean, transparent sound, free from unnecessary complexity, allowing listeners to experience music exactly as intended.

We can proudly say our commitment to authentic sound has advanced the state of the art and inspires music and cinema lovers alike.