ES Lab ES-2a Open-Back Electrostatic Headphone

Sale price$2,080.00

Cable: Stax OFC Ribbon
Extra Earpads: ES-1A (+$80)
Color: Black

ES Lab ES‑2a — Open‑Back Electrostatic Headphone


Product Overview

The ES Lab ES‑2a is a premium open-back electrostatic headphone designed and assembled in Hong Kong. Built by a team renowned for electrostatic headphone restoration, the ES‑2a delivers a detailed, transparent soundstage, high precision, and refined craftsmanship suitable for the most discerning audiophiles.


Key Features

  • Electrostatic open-back transducer for ultra-fast transient response
  • Aluminum-magnesium alloy housing — rigid yet lightweight
  • Frequency response: 10–41,000 Hz
  • Sensitivity: 99 dB / 100 V RMS
  • Bias voltage: DC 580 V (Stax Pro Bias)
  • Connector: 5-pin Stax Pro-type plug
  • Detachable & swappable earpads
  • Optional tuning filters for customized midrange and transient profile
  • Made & tested in Hong Kong


Technical Specifications

Transducer Type Electrostatic
Design Open-back
Frequency Response 10 – 41,000 Hz
Sensitivity 99 dB / 100 V RMS
Bias Voltage DC 580 V
Connector 5-pin Stax Pro-type
Cable Length 2.3 m
Weight (without cable) 450 g

 


Shipping & Duty Info

  • Lead Time: Estimated 9–13 working days (depending on location)

Important Notes

  • Requires electrostatic headphone amplifier (Stax-compatible with 580 V bias)
  • Open-back design — not suitable for noisy environments
  • Swappable tuning filters and earpads allow user customization

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