Koss

Koss Pro4S Wired On-Ear Studio Headphones Black

Wireless connectionNo
Connector type3.5 mm
Wearing styleOn-Ear
Impedance35 Ω
Frequency range10-25.000 Hz

The Koss Pro4S are wired on-ear headphones engineered for studio work and critical listening. Built with D-profile memory foam cushions and tuned using Koss SLX40 Elements reference drivers, these headphones deliver accurate sound reproduction across a 10–25,000 Hz frequency range with 99 dB sensitivity.

Description

Studio-Grade Sound in a Portable Package

Full-size design with memory foam cushions for extended wear comfort
D-profile construction folds flat for easy transport, with included carrying case
Detachable cord with dual connector entry points for flexible setup
3.5 mm wired connection—no batteries or charging required
35 Ω impedance optimised for studio monitoring and mixing

These headphones suit music producers, audio engineers, and audiophiles who need flat, honest sound without wireless complications. Ideal for studio sessions, critical mixing, and anyone who values durability and straightforward wired connectivity.

Specifications

Brand	Koss
Wireless connection	No
Connector type	3.5 mm
Wearing style	On-Ear
Impedance	35 Ω
Frequency range	10-25.000 Hz
Colour of product	Black
Net weight	0.58 kg
Headphone sensitivity	99 dB
Headphones connection type	Wired
Microphone	No
Noise canceling	No
USB charging port	No
Wireless	No
Other features	•Full-size, over-ear Studio headphones •D-profile with memory foam cushions •Koss SLX40 Elements tuned for studio reference •Detachable cord with dual choice entry •Fold flat for portability •Carrying case
EAN	021299184479