Koss Esp950

Cable
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Product details

The KOSS ESP950 is a classic among electrostatic headphones. In addition to extremely low distortion, it offers unbeatable sound quality and an unforgettable sound experience.

The ESP950 features an electrostatic driver design that uses unique components for construction, allowing for an extremely linear frequency response. Deep clean bass, clear mids and highs with impressive performance and unparalleled sound quality are the hallmarks of the ESP950.

Electrostatic headphones differ mainly in the design and function of the drivers from the widely used dynamic or magnetostatic transducers. The extreme accuracy and low distortion factor of electrostatic headphones are highly appreciated by audiophiles.

Like all true electrostats, the ESP950 requires an operating voltage, which you get with the included amplifier. Another special feature of the ESP950 is that the volume of the left and right headphones can be controlled separately on the amplifier. Thanks to its light weight, the ESP950 is very comfortable to wear.

The ESP950 model comes with one amplifier each for stationary and portable use, a 1.8 meter extension headphone cable, and other accessories. All of this can be stored and transported in the elegant carrying case that comes with it.

Specifications:
Electrostatic headphones, open, over-ear | Amplifier with 3.5mm jack and RCA inputs for stationary use | Portable battery pack for portable use (6x batteries type C 1.5V LR14 not included) | Removable headband and ear pads | Stylish carrying case | Frequency response: 8 - 35,000 Hz | Impedance: 100k Ohm | Sound pressure: 98 dB SPL/1mW | Lifetime warranty (at the discretion of the distributor; warranty cases will be repaired or replaced upon presentation of the purchase receipt; products no longer available will be replaced by a current product of comparable value if repair is not possible).

Key specifications

Application range
HiFi
Equipment + Functions
Removable cable
Signal transmission
Cable
Isolation
Open
Audio Connections
Jack 3.5mm (1x)
Documents
Manual.pdf

General information

Item number
6201470
Manufacturer
Koss
Category
Headphones
Manufacturer no.
ESP950
Release date
29.3.2017
External links

Colour

Colour
Black
Exact colour description
Black

Application range

Application range
HiFi

Headphone properties

Output
Stereo
Equipment + Functions
Removable cable
Music control
no smartphone remote control
Signal transmission
Cable

Headphone type

Fit
Headband
Isolation
Open

Audio properties

Sensitivity
104 dB
Max. noise level
98 dB
Impedance
100 Ω

Connections

Audio Connections
Jack 3.5mm (1x)

Audio cable properties

Headphone cable length
1.2m + 1.8m extension

Power supply

Power supply
Battery operatedElectrical connection

Scope of delivery

Scope of delivery
1.2m headphone cable1.8m headphone extension cable3.5mm audio cableBattery PackBoosterLeather bagPower supplyRCA to 3.5mm cableRCA to RCA cable

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 31.T'nB
    1.6 %
  • 31.Vivanco
    1.6 %
  • 37.Koss
    1.7 %
  • 37.Thomson
    1.7 %
  • 39.Anker
    1.8 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.JLab Audio
    0 days
  • 1.JVC
    0 days
  • 1.Koss
    0 days
  • 1.Lenovo
    0 days
  • 1.LogiLink
    0 days

Return rate

How often is a product of this brand in the «Headphones» category returned?

Source: Digitec Galaxus
  • 69.Tellur
    3.2 %
  • 71.1More
    3.3 %
  • 71.Koss
    3.3 %
  • 71.Mcdodo
    3.3 %
  • 71.Pioneer DJ
    3.3 %
Source: Digitec Galaxus

Very good96/100
Audio Logo
AudioSingle testReleaseJanuary 2022
  • Positivefein, schnell – dazu ein herrlich weites Panorama
  • Negativeleicht zurückgenommen im Bass

Wer den Koss ESP 950 einmal erlauscht hat, der versteht die Faszination des Elektrostaten-Klangs. Alles ist schnell, offen, transparent - da müssen sich die klassischen dynamischen Hörer strecken. Koss hat den ESP 950 bewusst auf Tempo und Schnelligkeit ausgelegt. Der Bass wirkt zurückgenommen, was das Klangbild abermals leicht macht.