Pass Labs XS150

The Xs 150 is built for listeners who want reference-level refinement without losing warmth or soul. It combines classic tonal color with modern speed and control, delivering a presentation that’s relaxed, complete, and deeply involving.

With serious Class A drive and a two-chassis layout, it’s engineered to stay stable and musical no matter how long you listen—or how demanding the material gets.

Where it truly shines is in how it handles contrast: quiet passages feel more intimate, loud passages feel more effortless, and everything in between feels more “alive.” The Xs 150 has the kind of grip that improves timing and bass definition, while keeping the midrange rich and naturally textured.

SPECS AT A GLANCE

• Class / Type: Class A, Mono
• Power: 150 W / 8 Ω (per channel)
• Gain: 26 dB | Inputs: XLR / RCA
• Output devices: 112 (per channel)
• Power consumption: 700 W (active) | Chassis: 2