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Koss ESP/95X Electrostatic Headphone System Over Ear Headphones

Koss ESP/95X Electrostatic Headphone System Over Ear Headphones

Available exclusively through Drop, the Drop x Koss ESP/95X Electrostatic Stereo Headphone System is a custom version of the classic Koss ESP/950 Electrostatic Stereo Headphone System which has long been considered one of the premier Electrostatic Headphones on the market.
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Koss collaborated with San Francisco-based Drop to develop the ESP/95X, tapping into its unique “Community-Driven” commerce platform to inform the product. Featuring the unmatched sound quality trademark of the original, the Drop x Koss ESP/95X Electrostatic Stereo Headphone System comes in Drop’s exclusive midnight blue and features all-new premium velour-wrapped ear cushions designed for optimal listening.

The rest stays true to the original: same clean bass and unmatched sound quality; same pivoting cups and adjustable, detachable headband; and same energizer, now with new graphics and colorway—all backed by the Koss ESP/95X Limited Lifetime Warranty.
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Specifications

Specification Icon 8-35,000 Hz Specification Icon 100k ohms Specification Icon 98 dB SPL/1mW
Specification Icon Straight, Dual Entry, 4ft Specification Icon Limited Lifetime Warranty  

Specifications

Specification Icon 8-35,000 Hz Specification Icon 100k ohms Specification Icon 98 dB SPL/1mW
Specification Icon Straight, Dual Entry, 4ft Specification Icon Limited Lifetime Warranty  

  • ACOUSTIC PRINCIPAL

    Circumaural open-air design with minimal acoustic damping

  • THE ELECTROSTATIC DIFFERENCE

    Experience deep, clean bass with remarkable power and unmatched sound quality.

  • COMFORT AND CONVENIENCE

    Pivoting ear cups and an adjustable/detachable headband ensure ultimate comfort and convenience.

The Pinnacle of Audio Reproduction

Featuring remarkable power and unmatched sound quality.

Key Features:

    ESP/95X

  • Electrostatic transducers deliver clean bass and unmatched sound quality
  • Pivoting ear cups and an adjustable/detachable headband ensure ultimate comfort and convenience
  • Straight, dual-entry 4 foot cord with 6 foot extension
  • Includes energizer, battery pack, leather carrying case, connecting cables and 120 VAC adapter
  • Diaphragm radiating surface area: 7 sq in (45.6 sq cm)
  • Cup size, including cushions (H x W x D): 5.9 x 3.9 x 1.6 in (15 x 10 x 4 cm)
  • Cable: Straight, dual entry, 4 ft (1.2 m) with 6 ft (1.8 m) extension
  • Covered under the Koss Stereophones Limited Lifetime Warranty


  • E/90x

  • Frequency response: 1.6 Hz–50 kHz (-3 dB), 100 Vrms differential output)
  • THD + N: 0.001% at 1 kHz, 100 Vrms differential output
  • Input impedance: 100 kohms
  • Input level: 1 Vpk (for full power output)
  • Voltage amplification: 60 dB, Audio output voltage: 790 Vrms differential; 2,200 Vpk-pk differential with soft limiting
  • Channel separation: -80 dB at 1 kHz, 100 Vrms differential output
  • Dimensions (H x W x D): 2.6 x 4.3 x 6.1 in (6.5 x 11 x 15.5 cm)

Koss ESP/95X Electrostatic Headphone System

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Specifications

Specification Icon 8-35,000 Hz Specification Icon 100k ohms Specification Icon 98 dB SPL/1mW
Specification Icon Straight, Dual Entry, 4ft Specification Icon Limited Lifetime Warranty