The STAX SR‑L500MK2 Electrostatic Headphones are premium high-fidelity “earspeakers” designed for serious audiophiles who demand exceptional clarity, detail, and natural sound reproduction. As part of the renowned Lambda series from STAX Ltd., these headphones utilize advanced electrostatic driver technology to deliver an incredibly transparent and lifelike listening experience.
The SR-L500MK2 features newly improved detachable low-capacitance cables and redesigned internal wiring to provide cleaner signal transmission and improved reliability. Its ultra-thin electrostatic diaphragm and precisely engineered electrode structure allow for extremely fast transient response, producing highly accurate sound with minimal distortion. This results in exceptional detail retrieval, expansive soundstage, and precise imaging that audiophiles and sound professionals appreciate.
Built with an open-back design, the SR-L500MK2 provides a natural and spacious listening experience ideal for critical music listening, studio evaluation, and high-resolution audio playback. The large rectangular ear speaker housing and soft ear pads offer long-term comfort, while the adjustable arc assembly ensures a secure and ergonomic fit for extended listening sessions.
The headphones require a dedicated electrostatic amplifier or energizer, such as the STAX SRM series, to operate properly. When paired with the appropriate amplifier, the SR-L500MK2 delivers a remarkably refined audio performance that reveals every nuance of music with breathtaking realism.
Whether used for professional audio monitoring or pure audiophile enjoyment, the STAX SR-L500MK2 represents a perfect balance of advanced electrostatic technology, comfort, and legendary Japanese craftsmanship.
Features
- High-end electrostatic headphones (earspeakers) for audiophile listening
- Ultra-thin electrostatic diaphragm for extremely fast transient response
- Open-back design for natural soundstage and precise imaging
- Detachable low-capacitance cables for improved signal quality
- Part of the legendary Lambda series from STAX
- Lightweight construction for long listening sessions
- Wide frequency response with ultra-low distortion
- Comfortable large rectangular ear pads with adjustable headband
- Requires dedicated electrostatic amplifier/energizer
- Ideal for hi-fi music listening, studio reference monitoring, and audiophile setups
Specifications
| Specification | Details |
|---|---|
| Brand | STAX |
| Model | SR-L500MK2 |
| Product Type | Electrostatic Open-Back Headphones |
| Series | Lambda Series |
| Driver Type | Electrostatic Push-Pull |
| Frequency Response | 7 Hz – 41 kHz |
| Capacitance | 110 pF |
| Impedance | 145 kΩ |
| Sound Pressure Level | 101 dB / 100V RMS |
| Bias Voltage | 580 V DC (Pro Bias) |
| Cable Type | Detachable Low-Capacitance Cable |
| Cable Length | 2.5 m |
| Connector | 5-Pin PRO Bias Plug |
| Weight | Approx. 351 g |
| Design | Open-Back Over-Ear |









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