STAX SR-009S Electrostatic Earspeaker
#3 in Audiophile Headphones · Rated 4.6
Signature electrostatic earspeaker with refined detail
The SR-009S is STAX’s upgraded version of the iconic SR-009, delivering exceptional transparency, micro-detail retrieval, and an expansive stage. As a premium electrostatic headphone, it pairs with matching STAX amplifiers to unlock its full potential. Its refined exterior and improved diaphragm technology aim to reduce distortion while maximizing speed and transient response. While not a casual buy, the 009S remains a benchmark for electrostatic fidelity among audiophiles and professionals who demand top-tier resolution.
Features
- Electrostatic isearspeaker with DT transducer design
- Ultra-thin diaphragm with fixed electrode system
- Detachable, balanced cables
- High-speed transient response
- Premium fabrication and finishing
Pros
- Exceptional transparency and speed
- Large, holographic soundstage
- Rare, collectible status among enthusiasts
Cons
- Requires specialized electronics
- Significant investment
- Niche compatibility considerations