10/27/2026
Introducing the NEW Leben CS-300XO integrated tube amplifier! In this video, Resolution Audio Video takes a closer look at Leben's latest evolution of its beloved CS-300 series, exploring what's changed, the upgraded components, and how the new CS-300XO compares with the CS-300XS.
The Leben CS-300XO builds on one of high-end audio's most recognizable EL84 tube amplifier designs. Featuring upgraded boutique oil capacitors and other refinements, the new XO delivers greater body, weight, and musical richness while preserving the character that has made Leben amplifiers so popular with music lovers.
We explore the history of the Leben CS-300 series, its classic tube amplifier circuit, and what makes this new version different.
Leben CS-300XO vs. CS-300XS
The CS-300XO joins the lineup at $6,195, while the CS-300XS remains in production at $5,495. Is the new XO worth the difference? We discuss what's new and what these changes mean for the listening experience.
Introducing the NEW Leben CS-300XO integrated tube amplifier! In th...