STAX SR-007S Electrostatic Earspeakers

SR-007A Over-Ear, Open-Back Electrostatic Earspeakers (Headphones), by STAX Audio.

The STAX SR-007 series (SR-007, SR-007A, SR-007MK2) is a milestone in the world of STAX electrostatic audio products.

Since introducing the SR-007 in 1998, STAX has redefined electrostatic headphones, delivering an immersive listening experience marked by unparalleled detail, tonal accuracy, and comfort.

With each evolution, the SR-007 series continues to embody the cutting edge of electrostatic audio products while celebrating the timeless design STAX is known. With the release of the SR-007S electrostatic earspeaker, the legacy continues.

New Unit, Advanced Technology

The all new SR-007S features updated diaphragms and fixed electrodes, building on the SR-007 and SR-007A designs.

This enhancement elevates sound detail clarity while maintaining deep, resonant tones. The newly redesigned large circular fixed electrodes feature a 20% reduction in air vent hole diameter compared to earlier models.

This high-precision etching process further optimizes the acoustic sound profile of the product.

Anti-Resonance Structure

The SR-007S design incorporates a distinct arc inspired by the flagship SR-X9000, utilizing a seamless stainless steel plate for enhanced rigidity and vibration reduction.

Its innovative movable hinge section improves fit and comfort, while the rubber material on the head pad attachment the series' signature adjustment-free, snug fit.

New Sheepskin Earpads

The SR-007S earpads feature a rotating design that adapts seamlessly, improving both comfort and fit. Crafted from premium sheepskin, the material enhances sound quality by reducing unwanted reflections and optimizing acoustic absorption.

The newly redesigned inner earpad further refines sound absorption, offering a heightened sense of perspective and contributing to a more expansive, precise soundscape.

Finished in a STAX signature brown, it pays homage to the traditional aesthetic of the 007 series, merging classic elegance with cutting-edge audio engineering.

Detachable Cable

A detachable cable structure has been implemented for easy maintenance, longevity of the earspeaker as well as future support and replacement, where necessary.

Features

• 2025 version of the classic SR-007 lineage.
• Updated diaphragms and electrodes.
• New anti-resonance structure (ARS).
• New sheepskin ear pads.
• Detachable wide cable.

Specifications

• Type: Push-pull electrostatic sound element, open-air type enclosure
• Sound Element Shape: large round shape
• Frequency Response: 6 - 41,000 Hz
• Electrostatic Capacitance: 110 pF
• Impedance: 145 kΩ
• Sound Pressure Sensitivity: 101 dB
• Bias Voltage: 580 V DC
• Attached Cable Conductor: OFC
• Cable: Parallel 6-strand, low-capacity wide cable
• Cable Length: 2.5 m
• Ear Pads: Genuine sheep leather (skin touching portion), artificial leather (surrounding portion)
• Weight: 430 g (earspeaker)
• Made in Japan.

Included

• 1 x SR-007S Earspeakers
• 1 x Headphone Cable, 2.50 Metre
• 1 x Documentation

More Information

• SR-007S Earspeakers, by STAX Audio