STAX SR-X1 Electrostatic Earspeaker Review: A New Benchmark in Clarity

In this STAX SR-X1 Electrostatic Earspeaker Review, we uncover how STAX's heritage design and electrostatic technology converge to deliver an unprecedented listening experience. From DC to 35,000Hz, the SR-X1 spans a wide frequency spectrum with near-zero distortion, inviting every audiophile to explore sonic landscapes with razor-sharp precision. Discover the full details at STAX SR-X1 Electrostatic Earspeaker on The Audio Tailor.
Technical Mastery & Key Specifications
The SR-X1 is a push-pull electrostatic circular speaker featuring high-precision etched electrodes and a rear-opening enclosure. Its playback frequency range of 7 – 41,000Hz and minimal harmonic distortion below 0.01% ensure every nuance is presented with lifelike accuracy. Other standout specs include:
- Impedance: 145kΩ at 10kHz (2.5m cable attached)
- Sound Pressure Sensitivity: 101dB/100Vr.m.s @ 1kHz
- Bias Voltage: 580V DC
- Capacitance: 110pF (including cable)
- OFC Parallel 6-core low-capacitance cable (2.5m)
- Genuine sheepskin earpads for plush comfort
Immersive Sound Signature
When you power up the SR-X1, the immediacy of its transients and the airy treble extension are immediately noticeable. Vocals sit front and centre with an organic tonality, while fast-paced percussion retains its impact without ever sounding harsh. Bass is taut and articulate rather than boomy — ideal for genres that demand precision, from classical chamber music to jazz and acoustic singer-songwriter recordings.
Design, Comfort & Build Quality
Drawing inspiration from the legendary SR-1 and SR-X series, the SR-X1 boasts a medium-sized circular form factor that balances presence and intimacy. Genuine sheepskin leather at the skin contact points ensures long listening sessions remain fatigue-free, while the lightweight 234g main unit feels featherlight on the head. The wide-opening rear enclosure aids in soundstage depth, giving an expansive spatial presentation that belies its earspeaker classification.
Who Is the SR-X1 For?
If you’re an audiophile seeking the hallmark clarity of electrostatic drivers without venturing into ultra-high-end price territory, the SR-X1 is your gateway. Its broad frequency bandwidth and immaculate detail retrieval cater particularly to:
- Classical and jazz enthusiasts craving nuanced orchestral presentations
- Mixer and mastering engineers requiring pinpoint accuracy
- Home hi-fi hobbyists looking to elevate their desktop or dedicated listening setup
Ready to tailor your audio journey? Speak with our team of experts to find the perfect amplifier pairing and custom accessories.
Pros & Cons
Pros
- Exemplary low distortion (≤0.01%) across a massive 7 – 41,000Hz range
- Ultra-fast transient response and expansive soundstage
- Luxurious sheepskin earpads for enhanced comfort
- Heritage-inspired design with modern ergonomics
- High sensitivity (101dB) minimises power requirements
Cons
- Requires a dedicated electrostatic amplifier/energiser
- Bias voltage system demands proper handling
The Final Take on the SR-X1
In our view, the SR-X1 stands as a brilliant introduction to electrostatic listening, offering the hallmark clarity and immediacy that STAX is renowned for. For those ready to embark on an audio odyssey, this earspeaker delivers uncompromised fidelity without sacrificing ease of use.
Elevate your listening – call 1300 308 711 or email sales@theaudiotailor.com.au to discuss your perfect setup. Our dedicated team is here to guide you every step of the way.