Koss KPH40 Utility

On-ear wired headphones with a detachable cord, part of the Koss Utility Series and Retro Style Collection

Overview

It sits in both the Koss Utility Series and the Retro Style Collection. Its acoustic design follows the same principles as the Porta Pro and KPH30i. Full marketed names include "Koss KPH40 Utility On-Ear Headphones." It has a retro look and modern features. The build is ultra-lightweight, and the cord is a detachable 3.5 mm one.

Specifications

Frequency Response	15 - 25,000 Hz
Impedance	60 Ohms
Driver Type	Dynamic driver
Connection Type	1/8 in. (3.5 mm)
Cord System	Detachable cord system
Headband	Sleek stealth grey stainless steel headband
Cushions	Soft foam cushions
Item Weight	0.1 Kilograms
Style	On Ear
Style	Retro
Color options	Stealth Black, Rhythm Beige

Design

The KPH40 Utility has a detachable cord and an ultra lightweight design. The sound is built on the acclaimed principles of the Porta Pro and KPH30i. The headband is stealth grey stainless steel, and the cushions are soft foam.

Context

The KPH40 Utility is part of Koss's "Retro Style Collection" and the "Utility Series." It sits alongside the KPH30i, Porta Pro Limited Edition, and Pro4. It is considered part of Koss's legendary line of headphones, and it uses that heritage audio engineering in a modern form.

Market

A new KPH40 Utility currently sells for $39.99. Some owners have reported durability problems. One says the headphones broke after about six months of consistent casual use.